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riccume

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Posts posted by riccume

  1. @JorgeB I'm not sure it is working; I've stopped the parity rebuild. I followed your instructions to the T but when I restarted the array, it showed disk2 with a green dot, the parity disk with a orange dot, and it started writing on the parity disk! I quickly stopped the parity rebuild to minimise 'damage' to the old parity drive (the parity rebuild was stopped after 6109 writes to the parity disk so hopefully nothing major).

     

    See below:

    - screen grab of the Main page before I stopped the parity rebuild

    - screen grab of the invalidslot command in Telnet

     

    I'm struggling to image what could have gone wrong. I am sure I did not refresh the Main page before starting the array but could it be that I waited too long before doing so? After sending the invalidslot command, I went through your instructions again before clicking the Start button; let's say 1 minute between invalidslot command and starting the array...?

     

    ... or any other suggestions? Thank you!

    242194495_Telnetcommand.JPG.04b210e4343a9245001129fd15c27357.JPG673871843_MainParityRebuild.thumb.JPG.b7e0d31dde1d83f3f27a0a087e097a62.JPG

  2. 3 hours ago, trurl said:

    You should upgrade to latest version before making any disk changes because you need to be able to format new disks as XFS instead of ReiserFS. Rebuilding that first disk will result in ReiserFS and can't be avoided but the other disks should use the new format and then you can move the data off the first disk and reformat it.

    Thanks @trurl I believe though that my current CPU/motherboard is 32 bit (Gigabyte GA-D510UD) and unRAID 6 won't work on it. If so, should I stay with ReiserFS for the moment?

  3. 8 minutes ago, trurl said:

    Please upgrade after your array is stable again. It is very difficult to support that very old version, and even possible any support you get will be incorrect.

    Thanks. You bet! This is the first stage of a full rebuild; current rig was built in 2010 and I've been living on borrowed time for a while.

     

    Off subject so please feel free to disregard but for full info, this is my plan for the rig rebuild:

    - upgrade parity drive to new 14TB one and rebuild parity

    - upgrade one of the old data drives (they are 6 in total) to new 14TB one and rebuild parity. I cannot simply add the 14TB drive because I've run out of power connectors

    - copy data from some old data drives to new 14TB drive using the rsync -avX /mnt/disk[number]/ /mnt/disk[number] command

    - remove all old data drives copied in step above, add a new 12TB drive, and copy data from remaining old data drives using the rsync -avX /mnt/disk[number]/ /mnt/disk[number] command

    - rebuild parity with new configuration (one parity drive, two data drives)

    - move hard drives and flash drive to new rig (details here

    - upgrade flash drive to new usb stick

    - upgrade unRAID to latest version

    Wish me luck!

     

  4. 8 minutes ago, JorgeB said:

    You could possibly run the invalid slot command with an unassigned disk2, then run the parity swap, but invalid slot doesn't always work without a disk assigned, and I can't test if it does on v5.0.6 now since I'm about to go out for the day, but can test tomorrow if you want.

    I understand now, it makes sense, thanks. To play it easy/safe, I will purchase a 4TB drive, try the process you suggest and report back. Enjoy your day!

  5. 10 minutes ago, JorgeB said:

    Luckily v5.0.6 still boots on my test server, procedure is this:

     

    -stop array and take a note of all the current assignments

    -Utils -> New Config -> Yes I want to do this -> Apply

    -Back on the main page, assign all the disks as they were as well as old parity and new disk2, double check all assignments are correct

    -Important - After checking the assignments leave the browser on that page, the "Main" page.

    -Open an SSH session/use the console and type (don't copy/paste directly from the forum, as sometimes it can insert extra characters):

    
    mdcmd set invalidslot 2

    -Back on the GUI and without refreshing the page, just start the array, do not check the "parity is already valid" box, disk2 will start rebuilding, disk should mount immediately but if it's unmountable don't format, wait for the rebuild to finish and then run a filesystem check.

    So so grateful for your help here JorgeB! Double-checking the obvious to make sure I don't end up deleting data for good:

    - I physically replace the new hard drive for the parity disk with the old one that I took out before the failed parity rebuild

    - I physically replace the failed hard drive for disk2 with a new one

    - The new hard drive for disk2 cannot be bigger than the old parity hard drive. I'm asking because I already have two spare 12TB hard drives (I am in the process of upgrading my rig) but I don't think they work for the process you suggest given that the old parity hard drive is 4TB.

     

    I'm always eager to learn more about unRaid so would love to hear why the parity swap procedure doesn't work here - but completely understand if you don't have time. Thanks!!

  6. 11 minutes ago, JorgeB said:

    Parity swap isn't for this case, search for "invalidslot" and "5.0.6"

    Double-checking; why isn't parity swap a possible solution here? The old parity drive is still available, unchanged (was kept offline) and working and I made no changes to the data in the array since taking it off. All I did was mount the array with the new parity drive, start the parity rebuild, then stop it when the errors from disk2 started to pop up - so the other data drives should also be unchanged.

    Given this premise, cannot I simply 'rewind' to the setup before the failed parity rebuild and use the standard parity swap procedure to replace disk2?

     

    In the meanwhile, as you suggest, I'm trying to figure out how invalidslot works - I'm not familiar with it.

     

  7. 36 minutes ago, JorgeB said:

    This is a problem, you should be able to use the invalid slot command but don't remember if it was working correctly with that release, nor the steps needed for that particular release since it's been many years, maybe you can find something in the forum, if you don't post back I see if I can get 5.0.6 to boot on my test server.

    Thanks JorgeB. I've done some additional searching and I was wondering whether I can use the "Parity Swap" ("Swap Disable") procedure (https://wiki.unraid.net/The_parity_swap_procedure ).

    Are you saying that the commands needed for the Parity Swap might not work property on 5.0.6? It seems to have been around for a long time

    although some people seem to have struggled with it...

    - disable both parity drive and disk2

    - install old parity hard drive in disk2

    - copy the old parity drive to the new parity drive using the built-in Copy function

    - install a new hard drive on disk2 and rebuild parity

  8. Hello. I replaced the parity drive with a new one and started a parity rebuild. When it got to 2.3%, disk2  started to show thousands of errors on the Main page under "Device status". I believe that the hard drive assigned to disk2 had become unavailable.

    After a reboot, the "Device status" box now shows disk2 as "Not installed". On the same line, it shows the correct size of the underlying hard drive (4TB) but then it says "Unformatted".

    If stop the array, I have the option to re-assign the hard drive to disk2 but when I do so, I get a blue ball, which I believe means that Unraid would treat the hard drive as a new one.

    I've tried to reboot a few times and to double-check the cables but no luck.

     

    So currently I have a one data drive missing and a parity drive which is only 2.3% completed.

     

    I still have the old parity hard drive and have made no changes to the data drives. How can I use the old parity hard drive to rebuild disk2? (I would obviously use a new hard drive for disk2).

    I'm using Unraid version 5.0.6 and I am afraid I have not made a copy of the flash drive before replacing the parity drive.

     

    Thank you!

  9. 18 minutes ago, Hoopster said:

    @riccume My backup server is in a Node 304 case with an i5-4590 CPU and the stock Intel cooler.

     

    Until recently, I was running BOINC 24x7 on this server and I had it using 3 of the 4 cores at 75% utilization.  Temperatures with the stock cooler under this heavy load were consistently in the low 60C range.  I ran BOINC on it 24x7 for almost 3 months straight.

     

    This is normally just a backup server with limited utilization as I backup my main server to it once a week.

     

    If it were my main server, I would probably change the cooler.  When I my main server was a Mini-ITX server with an 80W TDP 4c/8t Xeon in the Lian-Li PC-Q25 case, I used the Noctua NH-L9x65 CPU cooler (65mm height) since, in the Lian-Li case with the PSU over the MB, there was a height limit of 80mm on the cooler.

     

    The Noctua cooler handled the load very well.  I use Plex and HandBrake and there are transcoding needs from time to time.

     

    You do not have this height limit in the Fractal Node 304 case so you can go with a taller cooler if desired, perhaps something like the Noctua NH-U9S (125mm height).  The  max. cooler height in the Node 304 is 165mm so you can fit a really big cooler in there if you need to.

     

    Given your stated use case and the CPU you intend to use, I don't think you will need a monster cooler.  The NH-U9S and the NH-L9x65 both fit within the 95mmx95mm CPU socket footprint for not blocking anything on the motherboard.

     

    You can see the specs of both of my servers in my signature.

    Thanks. The taller coolers like the NH-U9S look very impressive, though I suspect an overkill given my use. But the message is clear; worth spending some ££ to replace the stock cooler and future-proof the system.

  10. 29 minutes ago, Coke84 said:

    Yes, even with the cheap ArcticFreeze, the CPU keeps approx 10 degrees cooler (according to tests I've read, never tested by myself) and is more quiet than the stock one. 

     

    For RAM, it depends of the usage of your system. I use 8gb RAM for my VM(s) and the other 8gb for unRAID itself (including docker container; unraid + dockers utilize approx. 5gb RAM in my setup). When using unRAID only as typical NAS, 8gb is fair, but once your system has the power to do more, I'm pretty sure you will do more ;-) There's always room for more RAM ;-) 

     

    btw as you mentioned the 6 SATA ports for the H370m-ITX/ac board. When you use the m.2 slot, the first SATA port will be disabled as it uses the same bus. So you are only able to use six internal drives, regardless of 1x m.2 and 5x SATA or no m.2 and 6x SATA. However, this board is the only mITX board which comes with 6 drive ports for a reasonable price - that's why I also chose this one.

    Indeed, there is always room for more RAM! :)

  11. 11 hours ago, SirReal63 said:

    Granted, it does, though I only play on the local network and nothing higher than 720p so I don't think I do any transcoding.  I would still budget for a better CPU cooler, the stock one is not very good.

    Thanks. Any recommendations on cooler? I had a look around the forum and I see be quiet! Pure Rock or Cooler Master Hyper 212, though with both of them I'll have to double-check they fit.

  12. 4 hours ago, SirReal63 said:

    Everything should work as you have it.  If you have been happy with the prior system this will be much better.

     

    What you have selected isn't much different than what I started with, though I had 16 gigs of ram.  The I3-9100 is practically the same power as a R3-2200G which is what I started with.  What I noticed is it would peg the CPU at 100% with a movie on Plex.  I noticed no issues with the movie and it played just fine.  By switching to a 6 core 12 thread processor it rarely ever gets above 50% usage with everything else in the system being the same.  A maxed out CPU will run hotter and potentially have it's life reduced compared to one running cooler and at a lesser max usage.  If nothing else, add a better CPU cooler than the stock one.  The stock cooler isn't very robust.

     

    If it were me, I would scale back to a 500 gig cache drive and put the extra money into a faster CPU.  Having said that, what you have will work just fine.

    Thank you SirReal63, very helpful.

    I don't use Plex; I watch my movies using a Windows 7 HTPC and they are saved on the NAS in DVD format. I think this means the CPU of my NAS has an easier life than yours, i.e. no transcoding?

    • Like 1
  13. Hello. My 2010 build* is telling me it wants to retire soon so high time for me to come back to this amazing community. Would you take a look at my plan, as you did last time, before I go ahead with the shopping? Thank you!

     

    The background:

    - Intended use: NAS where to save my DVDs (stored in DVD format, not ripped) to be watched via the HTPC in the living room (old style I know!) and backups of family PCs/laptops. This NAS doesn't need to do anything fancier than that

    - Budget: <£500 excluding HDDs? It will hopefully last for many years so no need to penny-pinch but I don't want to waste money either

    - Number of drives / capacity need: I currently have 7 HDDs for a total of 20TB + parity. I'm planning to upgrade to 3 HDDs; 2 x 12TB + parity

     

    This is what I have in mind:

    - Fractal Design Node 304 (I like the small size and I don't envision ever needing more than 6 HDDs)

    - Intel Core i3-9100 (or can I go with something even more basic given the limited requirements of my setup? I would still need iGPU)

    - ASRock H370M-ITX/ac (overkill? I like the future-proofing of 6 onboard SATAs but have no use for the WiFi)

    - G.Skill Aegis 8 GB (1 x 8 GB) DDR4-3000 (I just picked one on pcpartpicker)

    - Western Digital Blue 1 TB M.2-2280 SSD for cache (I just picked one on pcpartpicker; should I go with smaller/cheaper?)

    - Silverstone Strider SFX Gold 450 W (I like the Gold efficiency given that it is on 24/7)

     

    Thoughts? Thank you!

     

    *This is what has been serving me well, albeit rather slowly, for the last 10 years: Liam Li PC-Q8; Gigabyte GA-D510UD; 1GB RAM; Antec 380W EarthWatts Green

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