My server is broken :( - Fixing Linus' Home UNRAID Server

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My home UNRAID server has some serious issues, but it turns out fixing them is WAY more complicated than It needs to be.
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Intro: Laszlo - Supernova
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Outro: Approaching Nirvana - Sugar High
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CHAPTERS
---------------------------------------------------
0:00 Intro
3:20 Hard Mode?
5:27 Don't do it this way
6:25 Fixing the array
8:20 Why not a cloud service?
12:35 The OG
15:59 A future problem
17:38 Goodnight, sweet prince!
20:08 Outro

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Опубликовано:

12 июн 2024

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Комментарии : 2,1 тыс.

@LinusTechTips 9 месяцев назад

CORRECTION: We stated in this video that the parity drives in a dual parity setup in UNRAID contain the same data, that is incorrect, so we've cut that clip out of the video. UNRAID uses the P + Q redundancy system in dual parity setups, meaning one parity drive stores standard XOR parity data, and the other a Reed-Solomon code. For more information on how parity and dual parity works in UNRAID, see the UNRAID Wiki here: docs.unraid.net/legacy/FAQ/Parity/#how-parity-works

@gacpac 9 месяцев назад

I mean you were wrong but in lame terms saying they both have the same data is not bad lol

@UNhaN_hgag 9 месяцев назад

radio

@rgar2255 7 месяцев назад

Around 11:15 the audio goes out of sync.

@____________________________.x 7 месяцев назад

@@rgar2255I wondered why nobody seemed to have noticed, I’m getting out of sync audio too ☹️

@FoolsGould 10 месяцев назад

This thing breaks so many times it’s PERFECT for content.

@xp8969 10 месяцев назад

I'm confused though, he mentioned his Uncle Bob fixed it but Bob wasn't in the video 🤔 🤔

@MoonJustMoon 10 месяцев назад

True

@benwill2086 10 месяцев назад

Car dealer: *slaps* this baby can fit so much content

@lexecomplexe4083 10 месяцев назад

Plot twist: he deliberately messed up his server when setting it up to create future problems for future content

@ericcastle380 10 месяцев назад

Damm I thought Linus was pro right to repair. Then he builds a server designed to fail. Oh, wait, nevermind.

@impcnrd 10 месяцев назад

Linus: runs unraid Jake: wears trunas shirt Classic Jake. Love that guy.

@bluesquadron593 10 месяцев назад

Came to post the same :)

@kamarleyj 10 месяцев назад

Just come down here to say this, beat me to it! 😂

@EricTechstuffs 10 месяцев назад

Jake is the backhanded complement to Linus. The videos work so well that Jake let's Linus do his thing after offering a suggestion....then after 20 minutes of Linus tinkering, Jake sneaks in to implement his suggestions. 🤣🤣

@drtweak87 10 месяцев назад

Damn multiple people beat me to it. HAHA

@iPain3G 10 месяцев назад

To Jakes credit, Truenas is way better than Unraid. Unraid is easier to use but is terribe performance wise. On the same system with Truenas i can fully saturate a 2.5gbit link but with Unraid i only get ~600mbit. Also using an USB drive for the operatingsystem is a big nono for me.

@AntVenom 10 месяцев назад

Linus, if you replaced a parity drive before a dead drive, I don't know if you would ever live it down if anything went wrong.

@noaether 10 месяцев назад

keyword: "if" nothing did go wrong

@wenile 10 месяцев назад

IT'S HIM

@Zylcel 10 месяцев назад

Some people forget that popular RU-vidrs have a life and watch yt

@Cymock1 10 месяцев назад

That's what I thought 😂

@oscarmay6079 10 месяцев назад

But ccommenting on Ltt?

@ame7165 10 месяцев назад

tip: buy half the drives from a separate distributor to get different runs of drives. drives can die surprisingly close to each other if they're all off the same assembly line in sequential order, so the chance of double fault is much much higher than people imagine. ask me how i know 😂 but by having two sets of drives from different batches, they'll live for different periods of time and you lower the chance of two failing at the same time

@jfernandez76 10 месяцев назад

Also you can change a drive every year, even if neither have not any signs of failing (you can always reuse the changed drive to another system). But running you NAS on shingled drives... wow, that takes some balls

@rohansampat1995 10 месяцев назад

How do u know?

@ame7165 10 месяцев назад

@@rohansampat1995 had a double fault. one died, replaced it, and within an hour of starting the rebuild, a second one died. lost the array. replaced that one too and within a few weeks the rest died. they were all one serial number apart. i think the rebuilding load makes them fail closer in time than they otherwise might

@donc-m4900 10 месяцев назад

Sad to say that sounds logical.

@MikkoRantalainen 10 месяцев назад

@@jfernandez76 Running NAS on SMR drives doesn't take courage, only lots of time and a good UPS.

@nocturn9x 10 месяцев назад

Jake being like "It tastes like 5'1''" has got to be a workplace violation 💀

@Metal_Maxine 10 месяцев назад

I just didn't get it.

@TheTom951guitar 10 месяцев назад

@@Metal_Maxineshort joke against Linus, as dust is mainly old dead skin particles. It was quite funny 😂

@JHLee7Alpha 10 месяцев назад

Yeah that almost got me spit out my food

@awballard 10 месяцев назад

And a t-shirt!

@Neuttah 10 месяцев назад

Also means he knows what 5'1" tastes! HR ought to be interested in more ways than one!

@thexgamer8240 10 месяцев назад

It’s so nice to see Linus and his husband working together on this fixing project.

@cosnovae 10 месяцев назад

his husband?

@marcusborderlands6177 10 месяцев назад

@@cosnovaeit's a joke that Jake and Linus are basically married. It makes sense if you watch all the house upgrade videos

@RomanNumeral04 10 месяцев назад

The other joke is that Jake is Linus's son

@dustojnikhummer 10 месяцев назад

His son you mean?

@dustojnikhummer 10 месяцев назад

@@marcusborderlands6177no, his son.

@Gregarproto 10 месяцев назад

Jake and Linus made this seem way harder than it needed to be. The Parity Swap the UI referred them to is the process they should’ve followed, it has its own section in the official Unraid documentation. Also the two parity drives do not contain the same parity data, they have two separate parity calculations so that two drives can fail simultaneously and still be able to recover the data. If the parity disks were simply mirrored and you had two data drives fail, Unraid would be unable to calculate the data missing.

@TheManchineel 10 месяцев назад

Noticed that too. Pretty dangerous misinformation too. You cannot swap parity 1 and 2 around, and if a data disk has failed you'll LOSE YOUR DATA!

@ijf0 10 месяцев назад

Agreed, there is a lot of misunderstanding here and incorrect information being presented. Please dont follow this video as a guide, refer to the Unraid documentation and forums. There are plenty of others who have documented this situation and the proper procedure.

@BillAnt 9 месяцев назад

Perhaps swapping Parity Drives means actually coping the data to another drive, therefore preserving the two different parity calculations. At 8:40 "Just store it on Google Drive" Yikes! Even with encryption (which can be broken by hacking the Google account) I don't trust any online server, ever. My data stays local in multiple physical locations. Linus seems to agree. ;)

@TheManchineel 9 месяцев назад

@@BillAnt No, Linus specifically and inaccurately made the point that a big advantage of Unraid is that Parity 1 and 2 are interchangable. This couldn't be farther from the truth. Parity 1 is a bitwise XOR of the aligned blocks on all data drives. By itself it can recover data on any one missing data drive in the array. Parity 2 uses a Reed-Solomon code to recover data if the other parity is working and two data drives are missing, or if one data drive is missing along with Parity 1. Also, no, encryption cannot be broken by hacking into the Google account. Besides the impossibility of "hacking into" a Google account if you have a unique random password stored in a password manager, YOU can manage your own encryption on the client side and upload bytes to the cloud already encrypted, only storing the key locally, using APIs to directly access cloud storage instead of using the web UI. The server never receives the encryption key for your data, therefore not even Google can see what you're uploading, only the size of it, that is the entire point of encryption. Cryptomator, Rclone and many other solutions will do that for you. (obviously, if you lose the key then you're completely fucked, and in addition you won't be able to preview files on Google Drive directly or easily open/download them individually, depending on whether you're using software that encrypts filenames as well and/or maps a single file to multiple encrypted blobs and vice versa)

@BGraves 6 месяцев назад

Well, by following the guide there would be no drama, and no video.

@flandrble 10 месяцев назад

Should've just done the Parity-Swap, which does exactly what you wanted to do in one step. The UI even said to do a Parity-Swap. It's been a function for over 10 years but was called swap disable previously.

@deadsh0t843 10 месяцев назад

8:45 As someone who works in cloud storage, there was recently a nightmare scenario in astrailia iirc where a company just shut off their cloud server there without enough warning and dozens of companies lost everything. As we like to say at work, cloud storage is only useful if the cloud is yours

@fookingsog 10 месяцев назад

Sounds like something Unit8200 would do. 🙄

@weirdguybr 10 месяцев назад

Maybe it was a different incident, but Influxdb did that to their users in Belgium just a few weeks ago.

@kaukospots 10 месяцев назад

it should be fine if it's only one of the other copies of the backup

@xvsun 10 месяцев назад

@@kaukospotsyeah idk people need to realise that it should be one place for your backups. But cloud services like Google with Photos or Drive and Microsoft OneDrive made it way too convenient for a lot of people as their only backup solution:/

@khakers2.099 10 месяцев назад

That was probably InfluxDB, and they actually also nuked their Belgium region at the same time (though that was mostly recovered I think)

@bml2200 10 месяцев назад

Jake and Linus videos are almost guaranteed to always be entertaining

@RichWhiteUM 10 месяцев назад

Not quite as entertaining as Linus & Alex videos though.

@Imurai 10 месяцев назад

@@RichWhiteUM Linus and Alex are both the same kind of chaos, but Jake is always the opposite energy.

@ChrisD__ 10 месяцев назад

"Happy Wife's Boyfriend Happy Life" "Happy Boyfriend's Wife Happy Life" The LTT Upper-management Polycule.

@papa_goobs 10 месяцев назад

@@yourguysheppy We need more Jake and Riley content, real Ren & Stimpy vibes.

@MTGApollo 10 месяцев назад

IKR

@gfdggdfgdgf 10 месяцев назад

Hearing the intro: no way Linus will do this by himself. Also: no way nothing will go wrong.

@Neoxon619 10 месяцев назад

I’m glad the updates on the new house are starting to become more frequent again, it makes me realize that I’ll probably never be able to afford anything similar.

@highvisibilityraincoat 10 месяцев назад

Git gud.

@kreuner11 10 месяцев назад

i litterally cant save more than a terabyte of data, so im fine with just 1

@KellyWu04 10 месяцев назад

Linus’s house setup is so unnecessarily complicated. I hope no one watching these videos actually hope of emulating whatever he’s doing.

@ownedmaxer607 10 месяцев назад

@@kreuner11 Rookie numbers.

@Idiomatick 10 месяцев назад

@@KellyWu04 I mean, this part is just a big nas, so not too weird.

@PepsiMan42069 10 месяцев назад

“I always use protection” have they padded all the floors or something to stop him damaging stuff when he drops them? 😂

@thegriningnumber12 10 месяцев назад

Also said by the guy that had 3 kids 😂

@RichWhiteUM 10 месяцев назад

There's not enough padding in the entire universe for that.

@fazin85 10 месяцев назад

@@thegriningnumber12 lol

@Chronostra 10 месяцев назад

@@thegriningnumber12 but he's got the ultimate protection against hellspawn after tho. So, win?

@martine-e-dee 10 месяцев назад

15:40 You can wear a dust mask with filters when dealing with dusty hardware. It makes a world of difference in the course of years to decades.

@JamieStuff 10 месяцев назад

Something that wasn't brought up was that with Unraid. if they did lose another drive during the rebuild, the only data lost would be on the drives that died. Since Unraid doesn't "stripe" data across multiple drives, you won't lose the data on the rest of the drives.

@mgunter 10 месяцев назад

Put the radiator on a hinged door frame to move it to get room.

@eccomi21 10 месяцев назад

thats actually kinda genious

@abominablesnowman646 10 месяцев назад

the rad is gone now i believe since he swapped the server to the pool cooling

@falabezao6759 10 месяцев назад

I’m glad you are always improvising so that these things always happen, and we get the content.

@marwanelhabrouk 10 месяцев назад

I definitely need me that "normal" screwdriver Jake was using. Hands down the coolest version I've seen on the channel so far.

@cts006 10 месяцев назад

If we can get it in N64 purple I'm in.

@Lanka0Kera 10 месяцев назад

I'd happily buy transparent/frosted.

@bakedbeans6 10 месяцев назад

Jayz2Cents has a blue/green one he made at LTX that looks SICK

@jennysittinger7888 10 месяцев назад

It wasn't until Jake said "Why's there water on the floor?" that I realized exactly which video Linus went to help Alex with.

@TAFKProd 10 месяцев назад

The crossover of the two videos!

@mattakudesu 10 месяцев назад

At this point, about 28% of Linus's content is his server breaking.

@CheapSushi 10 месяцев назад

Gotta keep milking faking & exaggerating whatever minor issue and acting like something they used before was worse to justify something newer.

@peterpain6625 10 месяцев назад

@@CheapSushi It's interesting yet i also guess they've got enough brains to make a full backup to a TrueNAS Server at work/the next room before their stumbling around in there ;)

@matti... 10 месяцев назад

oh come on, you're being unfair. it's only 26% of his content

@pg_usa 10 месяцев назад

We love the home lab disasters 😅😅😅😅

@Nalianna 10 месяцев назад

You're excluding the content about servers breaking, that he's lost.. because of broken server :)

@anno_nym 10 месяцев назад

* single RAID drive fails * Linus & Jake: Oh well, let's replace the entire server and add three new hard drives.

@Leseratte 10 месяцев назад

10:30 - important correction: In UnRAID, the two parity drives do NOT contain the same data. How else would it be able to restore two failed data drives from parity? The data is obviously different.

@ConspiraGoose 10 месяцев назад

Seagate has recently refreshed their lineup of ironwolf pro drives referred as NT variants in the model number instead of NE for the older model. Main difference is expected life-span is much higher. NE drives are going cheap to clear inventory.

@davidsucesso2419 10 месяцев назад

now a million year life span🎉

@grumpyoldnord 10 месяцев назад

I will always love Jake's devotion to TrueNAS. 🤣

@Yoaru 10 месяцев назад

And its supported by facts

@lastrae8129 10 месяцев назад

Its the better software

@robertt9342 10 месяцев назад

@@lastrae8129. Both have their place. I actually agree it’s the “better” choice for many, but Unraid is a great choice for others.

@purplepenguin43 10 месяцев назад

@@lastrae8129 scale specificy core has been left behind in the past year or so. scale is the future.

@phattunit 10 месяцев назад

Truly a POS operating system.

@TheHerstad7 10 месяцев назад

Jake has matured a lot, Really enjoy watching his videos

@sondernfy 10 месяцев назад

Yeah especially his on-camera personality. He’s so much more pleasing than he used to be

@Nalianna 10 месяцев назад

He's stopped 'trying to be funny', and started 'being actually funny'. I really look forward to his content, as opposed to dreading it.

@TheXshot 10 месяцев назад

Well he joined LTT around 16 y/o. He's currently still only 22/23 y/o, so it makes a lot of sense.

@ChuckNorris-lf6vo 10 месяцев назад

No, he should zone 2 cardio and make more videos until his death at 130 years.

@Metal_Maxine 6 месяцев назад

@@TheXshot Yvonne says she hired him to tidy up after Linus and take everything Linus 'borrowed' back to inventory. Since Jake also has an ADHD diagnosis and light fingers, it might not have been the greatest hiring decision.

@Mark_Williams. 10 месяцев назад

7:07 - My understanding of TrueNAS is that you can chuck in replacement larger drives willy nilly, but it's only when all members of the pool have been replaced will the whole pool suddenly see the new full capacity. So can be done, you just don't see the benefits straight away.

@jvdl 10 месяцев назад

There's a mention of plugins for TrueNAS to achieve this, any idea what they're called? Never heard of those before, that could be quite a game changer.

@grex2595 10 месяцев назад

I read they recently added a feature that allows you to add more data through replacing only some drives with larger ones by redistributing how data is striped.

@jvdl 10 месяцев назад

@@grex2595 that's awesome! Do you have a link or a name of the feature? Would love to try it out

@davidcozziii 10 месяцев назад

13:50 The use of a USB drive for booting is not problematic because it is an immutable file system except for the config folder that its mounted very rarely. UNRAID and its FreeBSD brothers run basically entirely from ram and use very little write ops. Source: immutable FreeBSD OS dev

@alexatkin 10 месяцев назад

Its more that USB drives have a habit of dying completely at random, not necessarily due to writes. Which is of course why you're supposed to have a backup to quickly swap out should that happen.

@philiprobar 10 месяцев назад

FreeNAS/TrueNAS hasn’t run mostly from memory for years, mainstream FreeBSD never has.

@davidcozziii 10 месяцев назад

@@philiprobar yea not mainstream BSD, but BSD Router project, nanobsd, and microbsd which are all used to make these appliance OS’s do

@philiprobar 10 месяцев назад

@@davidcozziii FreeNAS/TrueNAS stopped using monowall and switched to FreeBSD in 2010. I lost several flash drives to the beta releases.

@davidcozziii 10 месяцев назад

@@philiprobar okay… I’ve been running production systems for the last five years without fail, in fact I’ve burned significantly faster through HDDs and SSDs because of how I configured it. Idk what TrueNAS did, but it’s no where near as janky as everyone makes it out to be.

@magnificat_orig 10 месяцев назад

What I love in Unraid (besides the variable disk size support) is that your data is in a totally readable and usable form in the disk. So if you have one parity drive and lose two drives, you will lose data, but not everything. I can even move some data to a disk and put that disk alone to a different computer, and will be readable.

@guspaz 10 месяцев назад

What I don’t like is that in the scenario we saw today (replacing a failed drive with a larger one), because unraid uses dedicated parity drives and requires replacing a parity disk at the same time as a failed disk to use a larger size, any read error on that parity drive while rebuilding the failed drive will be a fatal read error. It’s a massive risk.

@harrythehandyman 10 месяцев назад

@@guspaz It is because LTT made this process and video complicated for entertainment value. If they read the Unraid manual before starting messing around, it would look much less dramatic. Also, most Unraid user knows "parity disks need to be larger than data disks" this limitation. So user will upgrade the parity to be the largest disk when disk price falls. Also LTT didn't preclear the new drive. Preclear is recommended not mandatory for replacing a disk. But if they end up shuffle around rather carelessly without reading manual, if their operation at any step become a equivalent of "adding" a drive, then the "added" drive must be precleared to all zeros to maintain valid parity.

@chaoster111 10 месяцев назад

@@guspaz That's a general risk you take when you're rebuilding 2 drives at a time, it's not specific to unraid. There's 2 parity drives and 2 drives being rebuilt, so if 1 more drive fails, obviously the whole thing fails. It doesn't matter whether the parity drives are "dedicated" or not.

@guspaz 10 месяцев назад

@@chaoster111 The problem is that unraid forces a 2-drive rebuild to replace a single failed drive if the replacement drive is larger. In a ZFS vdev with raidz2 (the equivalent setup), if a drive fails and I try to replace it with a larger drive, then it just works, resilvering to the new drive with single-drive redundancy, leaving the extra space unused. In the same scenario, however, Unraid appears to force you to simultaneously replace one of the parity drives, forcing a zero-redundancy rebuild. In the unraid scenario, not only does a drive failure during the rebuild cause data loss, but any read error whatsoever during the rebuild causes data loss. I can't think of any good reason for unraid to force this requirement instead of just provisioning less space on the larger drive.

@davorzdralo8000 10 месяцев назад

@@guspazunraid doesn't force anything like that, no idea why you think that.

@IsmaelLa 10 месяцев назад

Really love unRAID. You’ve got to stay aware of updates and breaking changes. But it has shown to be solid on my setup for years now. The instantaneous downgrade from any update is a great feature too. If the update gives you work/errors/crashes you can easily go back to the working setup and try later on after maybe applying some fixes first in the working software. It’s neat.

@tech34756 10 месяцев назад

Yeah, make sure to always check the forums for change logs and issues, I usually wait a while before upgrading. IIRC one of the recent updates does require a config change when downgrading because of some changes (documented on the site).

@phuzz00 10 месяцев назад

What sold it for me was that the community is so much more friendly than FreeNAS/TrueNAS. You can ask a question in the UnRAID forums and and get a useful answer, instead of being told that if you're not running triple-redundant enterprise-grade hardware then you clearly don't care about your data and you might as well delete it. (I'm only exaggerating slightly). UnRAID is perfect if you don't have a lot of money, but you do have a pile of old hardware that you want to reuse.

@mukkaar 10 месяцев назад

@@phuzz00 Personally I'm quite happy with my truenas mini I bought from truenas. While I'm not that wealthy, I didn't really have much pressure to buy nas as it's mostly something I wanted, not needed. So I waited for two years and bought something I thought would be the best for me. While I like building pc's and tinkering with tech, I didn't want bulky nas system and I wanted system that's as reliable as possible with good support as it's going to be storing all my data and cloud. Due to official build and sticking to supported plugins, I'm probably quite insulated from community stuff, and I haven't really had much problems anyways.

@superslash7254 10 месяцев назад

@@phuzz00 So basically unraid has their own forum and truenas uses stackoverflow?

@littlejackalo5326 10 месяцев назад

@@phuzz00why would you suggest unRAIDNAS over FreeNAS specifically for people with not a lot of money? That would be the opposite.

@Mike80528 10 месяцев назад

For UnRaid, if you have a large array I highly suggest running the Disk Location plug in. You can make mapping of all disks with visual representation and also force any disk to blink to locate it. Unraid has come a long way and is pretty good about preventing you from screwing things up, but several plug-ins fill some big gaps, such as Unassigned Devices...

@EhrgeizGod 9 месяцев назад

What are you favorite plug-ins besides that?

@mpxz999 5 месяцев назад

I really enjoy your network/rack gear problem solving videos. They're some of the absolute best. I hope to see more and more in 2024!

@Elemental-IT 10 месяцев назад

booting unraid from usb is perfectly fine as it only reads from the drive during boot and writes very infrequently. My OG thumb drive from 2012 when I started using unraid is still going strong and many many hard drives from that first build died a very long time ago. saying thumb drives are unreliable in this scenario is uninformed.

@Darkk6969 10 месяцев назад

vmware also used USB / SD flash drives right up to version 7. I'm using 64 gig usb flash drive for my TrueNAS core for years without issues. I'm planning to change it out for USB to nvme adapter soon.

@seanconnors7745 10 месяцев назад

This video makes me miss my time working for enterprise-grade IT shops. I was confused when you weren't just pulling out the drive with a red (amber) light and putting in a new one, then letting it automagically rebuild. I was like "why did they power it off? The drives aren't hot-swappable!?!" I never realized people had to actually rebuild RAID arrays manually!

@vafajarrah5802 10 месяцев назад

He is not matured enough to make professional videos. He really suffers lack of knowledge.

@coolfrost6 10 месяцев назад

I am fully aware that I pay a synology tax, but for me synology hybrid raid is the killer feature. It is so easy to just mix and match drives. My first synology was a used 5 bay model and back then I would be savaging old drives from ewaste pc and every time a drive diede I would just plop in a bigger better drive. And core critical data was always offsite backed up.

@JehuMcSpooran 10 месяцев назад

I came here to say the same thing. I got given one of their rack mount models and their hybrid raid is awesome. Just going to keep adding drives until it fills and slowly up the size of the drives.

@LeeMaiden 10 месяцев назад

My server is loaded with 8TB renewed HGST drives, all CMR, and actually renewed, even the helium is replaced. $68 each with a 5 year warranty and Zon's 90 day warranty. I pulled the two 4TB Ironwolf's out because I needed more storage. They run fantastic.

@yaseen157 10 месяцев назад

12:50 free windows key!! lol

@marcin6931 10 месяцев назад

This is my favorite type of content on this channel. I used to work as an admin in a small ~50 people company, and it reminds my of good days

@komenisai 10 месяцев назад

I love that this was being filmed at the same time as the pool water cooling video so you can see a slight cross over between the two.

@t0m5k1 10 месяцев назад

Observation: Why is furmark running for no good reason on a home server setup? Knowing what he has for cooling I'm wondering if he is heating the pool for a swim later!!

@coreymeh8335 10 месяцев назад

you should do clear plastic LTT screw driver but then do the colors like the see through N64's you reviewed. i would buy in a heart beat!

@necuz 10 месяцев назад

16:00 Ah, so this was the other video they were shooting at the same time as swimming pool water cooling!

@Flynn217something 10 месяцев назад

8:32 Clouds are for rain 🌧 - Louis Rossmann

@redsquirrelftw 10 месяцев назад

I always love these storage related videos since I can relate a lot, I run my own NAS in a Supermicro 24 bay chassis at home, but use mdadm raid, and way older/cheaper hardware. Recently added 7 10TB drives to grow 2 of my arrays. That was an interesting undertaking, basically replace one drive at a time and let it rebuild. I have a file system limitation where I can't have partitions bigger than 16TB though which is kind of a bummer. I need to fully update the OS but I don't want to take it offline. The challenges of storage servers... :P

@matthewschroeder1558 10 месяцев назад

i NEED that "normal" ltt screwdriver that jake has it looks soooooooooo cool

@djvidual8288 10 месяцев назад

I love these server/homelab videos. Its always great to see all these different setups in action and their issues.

@themonlight13 10 месяцев назад

14:00 Unraid is probably the same deal as ESXI regarding Flash Drives - it just loads some stuff from the Stick into RAM and doesn´t really write anything to the Stick itself, instead writes config, logs etc to the drives.

@HetmanRecovery 2 месяца назад

Can you discuss the scalability of Unraid OS in terms of adding storage drives and expanding the system over time?

@Elemental-IT 10 месяцев назад

the rebuild only needs to take as long as the largest drive in the array. the extra space on the parity drive does not have to be calculated in this intermediate step. Once the 2nd new parity drive is installed and you have to run the parity check again - you can let it run it's full check. you can do a new config and check the "parity is valid" to skip the 14 extra TB calculation.

@Wheels35 10 месяцев назад

there's a lot of bad information in this video, and it hurts to watch, since unRaid has come so far over the years.

@theonlyasher 10 месяцев назад

Finally some server content, I love watching these one's fr🤝

@SirFrag32 10 месяцев назад

Remember kids, RAID is not backup.

@ken830 10 месяцев назад

That's why despite other issues with Synology (drive "compatibility" list), SHR-2 allows you to mix-match drive sizes (upward) and still be capacity efficient.

@CheapSushi 10 месяцев назад

I can do the same on Windows with StableBit DrivePool. I don't have to care about specifics and can just add anything to a pool and it gets duplicated as often and as much as I want.

@ken830 10 месяцев назад

@@CheapSushi Their website has no mention of parity and a Google search yielded no straight forward answers. Does it support two disk parity or redundancy?

@m9x3mos 10 месяцев назад

I would love to know the plugin that will make truenas work like unraid with the disks like that.

@rfldss89 10 месяцев назад

Man your servers keep breaking so often, you almost end up producing more content with it than you store on it.

@Deliveredmean42 10 месяцев назад

Then again it's only a n expected gradually breakage since as you see the dead one was from 2016. Everything will degrade with due time... just gotta be prepare for when it does.

@aliancemd 10 месяцев назад

The server stuff is the only thing I enjoy on this channel - so much overkill stuff, I love it and no “hidden ad” in ad sponsored video with youtube ads on top… just geek stuff

@jordanray1537 10 месяцев назад

That loading logo at 18:04 being in time with the music was so satisfying

@michaelfrancis3558 10 месяцев назад

Can anyone comment as to which plugin Linus is talking about to allow TrueNAS to have pools with different sized drives?

@michaeldiaz4942 10 месяцев назад

I'd love to know too. I'm thinking about putting a NAS together, and can't decide between TrueNAS and Unraid. I like the TrueNAS interface and cost (free), but Unraid's flexibility with being able to mix different sized drives in the array would making expanding/upgrading the NAS over time so much easier.

@EyeFullBlooD 10 месяцев назад

Someone had also made a comment on the LTT forum thread in the video description. I'm hoping I can come back to this comment or the thread in the next day or 2 to have it answered 🙏 😊

@ianvisser7899 10 месяцев назад

11:40 Yeah... I feel ya Linus. I did a server migration cuz the raid card died. 1 of the drives were dead (busted pins cuz prev tech screwed up), oh and the backup drive (WD My Cloud Live), died during the same migration... Had to guess the hardware raid settings to reconstruct it. Never sacrifice a backup 'just because you have a spare'... Because murphy's law, that backup will die too.

@andrewbennett1579 2 месяца назад

I am just barely getting getting into the home server thing (currently running a Libre Computer le potato with a mounted 2TB HDD) but these videos are really fun and encouraging. Looking forward to having a rack unit one day with even one redundant drive!

@itsrootoyou 10 месяцев назад

FYI, Unraid has UPS integrations and can automatically shutdown gracefully when the battery gets low/the power goes out!

@walkinmn 10 месяцев назад

The water comment made me suspicious and I just checked the pool water cooling video and they're both wearing the same t-shirts and then Lnus checks the Pc performance with the same monitor on top of the same case. This was shot in the same day and probably around the same time as the pool video!

@WhoTFstolemyname 10 месяцев назад

FYI - you can plug your UPS in to your unraid server via usb, and it can send a shutdown command when the batteries hit a certain threshold.

@ulrar 10 месяцев назад

Yes, although it sadly doesn't seem to support groups. Using Eaton's IPP instead myself because it was the only way to get the UPS to shutdown the server's outlet group after going off, and make it turn it back on when AC comes back while keeping other outlets on for network and cameras

@superslash7254 10 месяцев назад

You can also do this using another server (homeassistant ahoy) and something like Network UPS Tools.

@cts006 10 месяцев назад

@@superslash7254 You can even run NUT on a raspi with its own usbc backup battery and have it wake on lan your server when power is back up.

@verygoodbrother 10 месяцев назад

When starting with OMV or unraid, always use the largest disk (or oversize) for the parity drive(s).

@mnoxman 10 месяцев назад

Beware of the "exfiltration" cost of the cloud.

@unrealed 10 месяцев назад

Having a big explainer videos about NAS, what they do, how they operate, what kinds of operations they can do, and which software has which pros/cons would be a REALLY useful video! Looking at 9:46 when linus says "we do a guide but figure it out as we go", it sounds like it could even be useful for you guys!

@misatzu 7 месяцев назад

100% (to both parts!), and also this 100% will not happen until that secret NAS/RAID startup he invested in comes up with a finished product. I wish that would be in the form of a detailed comparison as well, but am afraid it will just be a how-to for the new software with occasional mentions of the competitors and their downsides here and there ...

@Dommifax 10 месяцев назад

8:32 I 100% understand Linus here. For some reason using 3rd party cloud storage for anything but the most unpersonal unimportant stuff creeps me out immensely. I do all of it locally and even host my KeePass database myself (luckily my router has options to do stuff like that though only effectively for small files because of cpu/ram limitations). At the moment I'm in the process of building a data server (coincidentally with the exact 16TB Exos drives Linus showed in the vid) for myself and my partner and after that I will build a second one in my parents house for offsite storage (since The own a previous farmers house with several buildings for animals and 2 barns, so there is lots of unneeded space).

@Dommifax 10 месяцев назад

@@Taudris tbf building and maintaining two servers is very much a bonus for me and trusting myself is always easier than some corporations - I also despise monthly payments; it's bad enough I have to pay for the essentials (rent, water, electricity, insurances, etc.) I don't want to add any more to that than I have to Edit: meaning: even though your reasoning is probably sound - it does not appeal to my feelings unfortunately

@Matt43 4 месяца назад

Samsung BAR drives were tested by SpaceInvader One with the best endurance and cooling potential. Also - use a USB2 header to USB-A port adapter to keep your USB boot drive internal 😉

@MrMBP1980 10 месяцев назад

6:35 He keeps recommending Unraid, but has never checked if it actually restores a degraded array? Top notch 😕

@soniclab-cnc 10 месяцев назад

TrueNAS for me... I don't mind just planning ahead and getting matching disks... although older arrays with smaller disks are getting harder to find replacements for a good price/Tb. Also If I need more space I have to bite the bullet and grab a stack of new drives. All that aside, using snapshots I have 3-2-1 backups automated across two servers and one offsite in an adjacent building. I can rest at night.

@alessandrozigliani2615 10 месяцев назад

Same here. Starting replacing 4tb drives with 8tb drives as they died or I moved them somewhere else when the pool reached 70%. Now at 79%. Either some of the remaining 3 disks die or I will replace them anyway within two or three years I guess.

@guspaz 10 месяцев назад

You don’t need matching drives for truenas (or at least ZFS in general). As long as the new drive isn’t smaller than the old one, any drive will work.

@Darkk6969 10 месяцев назад

@@guspaz Yes, that is correct. You can start replacing the drives with a larger size and soon as all drives are replaced TrueNAS ZFS will automatically expand the array.

@soniclab-cnc 10 месяцев назад

@@guspaz Don't "need" to be matching... although my tech brain will not let me physically do that. (lol... OCD gets the better of me and I start spending for new matching array)

@alessandrozigliani2615 10 месяцев назад

@@soniclab-cnc yeah you don't need matching... but you won't get the extra space unless you have replaced all the drives. Matter of fact I have another nas that started with 3tb drives now all are 4tb except 1. Guess what: not getting any extra space until I replace the last one. In ZFS that is how it works and it is stupid to have different sizes unless you are doing precisely what I am doing. Talking raidz1/2/3. Of course with mirroring you can have couples or triples of the size you want and stripe them. But different sizes inside a vdev causes waste and makes no sense unless it is transitory or you are repurposing misc drives.

@quentingastaldi9253 10 месяцев назад

I love servers videos, I think they are the best. And the way Jake installed the hard drives saves 5°C on the temps

@jonatanrullman 10 месяцев назад

8:29 Though I have once before seen the explanation for the 3-2-1 rule as depicted on the screen, the usual one is that the production data is one of the three copies. So you should have (1) production data, (2) a local backup on a different device), (3) an offsite backup.

@misatzu 7 месяцев назад

That's not what 3-2-1 translates to, while the onscreen version also wasn't exactly accurate. Off the top of my head, the rule goes "store [3] copies (as in instances, not as in additional duplicates - so yes 1 of them is production) of data on [2] different media with [1] of them off site". This more concise version rolls off the tongue better, and hence is meant to be easier to memorize :)

@HedgehogY2K 9 месяцев назад

The way I handle this is to not fill up with all of this in the first place and just use a Sandisk Extreme V2 3.63TB SSD for movies&games, a V1 1.81TB for video editing, and a thumb drive to store my tools/drivers/ISOs. If I ever got a raid setup, I would use TrueNAS and find an infinitely replaceable set of drives I can purchase years into the future to replace the failed one. Shouldn't be hard to find individual sellers on eBay that can resell brand new or refurbished drives at a good enough deal.

@plz7788 10 месяцев назад

I thought the parity drives are Different on Unraid? They use different algorithms, so not perfect copies

@39zack 10 месяцев назад

True, they are not mirrors

@mcpr5971 10 месяцев назад

4:43 be VERY CAREFUL when pulling a hot drive. You must let the spindle stop before rotating it because it can cause a head crash.

@kingpolo1920 10 месяцев назад

Don’t worried his pull out game is strong

@liquidmagma0 10 месяцев назад

i'm pretty sure modern drives instantly retract the r/w head off of the platters on power down/loss. the reason you don't rotate the disk while it's spinning is cause the platters are spinning very fast and have a lot of angular momentum like a gyroscope, so if you rotate the drive, the platters will experience lots of perpendicular force, which isn't good neither to the platters nor the spindle motor.

@Haploanddogs 10 месяцев назад

It can't cause a head crash. It could break the spindle motor. The head unloads the instant the power is removed

@QualityDoggo 10 месяцев назад

Modern drives will park the head instantly when power is lost.

@bjornstevens11 10 месяцев назад

The system is off, otherwise the parity will be completely destroyed when you take out all the drives one by one and you hit both parity drives + extra drive.

@ShaiMKE 10 месяцев назад

I love it how Linus’s videos are slowly turning to vlogs

@andrewetherton3107 21 день назад

Just did this in my Unraid server. Replace 1 parity drive, then the second one, then the dead drive. No issues!

@Zanthum 10 месяцев назад

Pretty sure in unraid the two parity drives have different data. Parity one is a bitwise checksum across the array, literally if each bit across the array is odd or even. This doesn't work if you lose more than one drive so unraid uses another data algorithm that I have never fully understood for the second parity drive.

@Alvin853 10 месяцев назад

Yeah it would be impossible to restore 2 drives worth of data from 2 copies of the same parity data, that doesn't make any sense, the data needs to be different between the two or else you'd only be able to restore 1 failed non-parity drive (though one parity drive could fail at the same time without losing data)

@Zanthum 10 месяцев назад

I only mentioned it because at 10:30 they say that the parity drives are exactly the same.

@ptsdroadwarrior7230 10 месяцев назад

How about thinking of the second parity disk as a way to safely and easily upgrade or replace parity on event. #timemanagement

@marcruijs1039 10 месяцев назад

Love that the random pool of water near the server rack was completely ignored

@darylsonnier658 10 месяцев назад

Many server and workstation class boards support serial consoles, so you can take a laptop and a serial terminal program to see the console/BIOS screen output.

@DikaiaSam 10 месяцев назад

Love the overlap from the water cooled pc video too

@davidoconnor2020 10 месяцев назад

Jake has really grown on me over the past 12 months or so. His knowledge on these server vids is great and is making me wanna setup a home server/raid/nas thingy at some point. Thanks LTT.

@ericaceous1652 10 месяцев назад

Running an 18TB Exos, and really pleased with it. No problems with it, unnoticeably fast read and write speeds, and it was good value at the price I bought it.

@Californ1a 10 месяцев назад

Only downside with exos I've found is that they do tend to be a bit louder, if you're using them directly in your PC rather than a home server or nas in another room.

@ericaceous1652 10 месяцев назад

@@Californ1a that's true, it is noisier. Doesn't bother me cos I've always got headphones on, but they wouldn't be as good for a build where low noise was a priority

@asooxbmw5616 10 месяцев назад

Funnily enough I have done this in Synology and it's super easy to do. Pull bad drive out, put good drive in, system rebuilds.

@lucielcampbell2737 10 месяцев назад

Great video, as timing would have it, I just went through this very scenario on my unraid home nas. I did it a bit differently though. Since the content of the dead drive is emulated, using the "unbalance" plugin on unraid, I moved the data from the emulated dead drive to the other drives (of course this only works if you have the space) and then removed the drive altogether. Once both parity drives where replaced (1 at a time, if you do both, I believe you loose parity so if another drive dies while you're rebuilding the parity, then your'e s.o.l. but I may be wrong here, I just did it that way as I wasn't super sure) and done. Once done, I used the 2 original parity drives as new storage drive and used "Unbalance" once more to spread out the data to said drives. In an ideal world, of course, you'd have that third drive to properly replace the original dead drive.

@misatzu 7 месяцев назад

You're not wrong, and they kind of did exactly that - rebuilding 1 parity drive AND 1 data drive at the same time, putting all data at risk once another drive fails, which is what they said to avoid in the first place but then didn't. 8 green lights while having 8 data drives should instantly ring the alarm bell; ironically not only simple math but even just counting dots is already to much to ask for apparently lol That unbalance option is an interesting alternative when you don't have a replacement at hand immediately, but enouth space left - thanks!

@AndersCandell 10 месяцев назад

Working daily with enterprise storage I must say unRAID is exactly what you need for a home server. You dont' get the speed of X spindles in RAID but it's so flexible. If only there was a way to get snapshots...

@bearhaus2418 10 месяцев назад

This. The blind love for truenas in home scenarios is misplaced. Also, unraid latest release officially supports ZFS now too so you have both types of arrays if needed. Best of both worlds.

@peterpain6625 10 месяцев назад

@@bearhaus2418 unraid is great for home use for sure. Especially the mismatched drives raid. Saves money. Wouldn't use it in production though.

@jslay88 10 месяцев назад

unRAID was extremely critical to me being able to secure my data on a budget, as well as having something I could build a home lab out to learn all my professional stuff on and gain better employment. I would have never been able to afford a system that was running TrueNAS with the disk requirements to build a raid there. It allowed me to take existing disks from old PC builds and and least cobble something together, while enabling me to upgrade it slowly over time as budgets allowed. I can understand why Jake doesn't like it, but I don't think it deserves all the hate it gets.

@JuiceSpringsteen88 10 месяцев назад

The other nice thing about unRAID is that if you lose more disks than your parity you can still read all the data off the remaining disks by just slotting them into another computer. You only lose the files stored on the individual disks that failed.

@CheapSushi 10 месяцев назад

I went with Windows and StableBit DrivePool instead but I gave zero Fs about being in that industry, hence zero Fs about Linux and offshoots. I have zero regets. I have 3x 4U Rosewill chassis with drives. StableBit DrivePool is beyond easy, and never have to worry about any issues with drive replacements, drive sizes or expanding pools.

@reemnizzle9134 10 месяцев назад

@@JuiceSpringsteen88 Wouldn't this completely negate one of the reasons for using traditional striped RAIDs - the IO speed increases you get from writing across disks? I guess in archival storage it wouldn't be an issue so much but seems like a terrible solution for anything that needs speed. It's definitely pretty interesting that it's basically a spanned set with a couple of dedicated parity drives rather than striped parity.

@philiprobar 10 месяцев назад

@@CheapSushi That’s an interesting way of saying that you done care about the integrity of your data.

@JuiceSpringsteen88 10 месяцев назад

@@reemnizzle9134 It's a downside of unRAID. It's literally not RAID (as the name suggests). unRAID is targeted to home users and people just getting into NAS homelabs. It supports unmatched drives so you can upgrade at your own pace and it has a super easy GUI for everything. I recommend it to lots of people because it's super easy to pick up and just put together a simple NAS from old parts they have lying around.

@wanyelandy8847 10 месяцев назад

Looking at the days of rebuild/recovery time, of the parity and size restriction made me think of going to the EC based solution like local Minio cluster though it has very few support of applications vs those file system based solutions. Other factors include IO capacity of file copy and wiggle room for large file operations of cluster rebuild or upgrade.

@playkickboxer Месяц назад

Hi, for some reason, this video gave me the final push to order a Noctua edition sd. Although, I have been watching you for like a decade now. I mean your youtube content 😅 Love you guys, Keep up the good work!

@acdchook 10 месяцев назад

I'm pretty sure that in unraid, when you have two parity drives they use different algorithms to allow for two drive failures. So the two parity drives don't contain exactly the same data. And one of the reasons for unraid having a limit of 30 drives in the array is beacuse they don't have two different parity algorithms they can use that work with more than 30 drives.

@mrt5393 10 месяцев назад

I actually migrated back form True Nas to Unraid as containers are a lot more simple and I was fed up that nextcloud constantly breaks with k8s helm charts and unraid is a lot more flexible and easier to repair

@FrobergDK 10 месяцев назад

Containers on TrueNAS are horrible when compared to UNR.

@d00mfish 10 месяцев назад

It is funny that this video comes out as one of my NAS drives died yesterday and I plan to upgrade all of them now ^^

@Zoinkx 10 месяцев назад

I just went through the same process a few days ago when I had to replace a drive in my array that was bigger than the parity drive. Fun times

@matthewjalovick 10 месяцев назад

“I always use protection.” Says the man with three kids.

@GeeMannn 10 месяцев назад

He's just bad at it, that's all lol

@xyntak8270 10 месяцев назад

Take the array offline and use a hardware drive duplicator for the parity drives you wish to replace, swap out the old with the dupes and power it back up. I've done this with linux mdraid in the past, as I had a (8x4TB) RAID6 array with 2 dead drives and 2 that didn't look like they would survive the rebuild process before the dead replacements were able to complete their rebuild. It was a nail biting couple days, but it worked.

@misatzu 7 месяцев назад

I was also surpised that drive duplication didn't even cross their minds once (unless it was edited out, which I doubt). Well, to be completely honest, I wasn't. lol

@EpicLPer 10 месяцев назад

I built a 4x12TB Backup NAS a few days ago and now I'm not sure if I should go with Unraid instead

@nathanlee105 10 месяцев назад

I want one of thoses "totally normal" LTT screw driver

@UNIX32 10 месяцев назад

Imagine a server like that but full of Quantum Bigfoot drives. The sounds would be pretty dope!

@B---------------------------D 10 месяцев назад

man I DO NOT miss those things haha. Especially how compaq loved to shoe horn them into the smallest form factor cases possible at the time.

@eDoc2020 10 месяцев назад

I wish there were still 5.25" hard drives. Imagine the capacity you could get. Downside is they'd need to be slow but that's not a big deal. Worse is the industry has moved away from the form factor so they'd be niche and probably not any cheaper.

@TristynRusselo 10 месяцев назад

Linus introduced me to Unraid. Thank you! i have 5000 "linux ISOs" on my server. I now know Unraid better than Linus, that makes me sad.

@justinholtbayette2485 10 месяцев назад

Lol same here. I have learned a lot from Linus and crew but Unraid is 100% the best thing they have introduced me to.

@harrythehandyman 10 месяцев назад

@@justinholtbayette2485 Same here. But this video is really bad for being informative, or good for the money I suppose. LTT made this video complicated for entertainment value and disregarded clear guidance in Unraid manual about replacing drive and parity swap.

@whytho1690 10 месяцев назад

That first sponsor spot. You win this time Linus. I will watch this one with no skipping. Most of your segues get me to grin or laugh. Don't know how that makes you feel but thanks for all the fish.