Posted June 30, 20187 yr Hi all. UNRAID Version: 6.4.1, diagnostic files attached. Disk 4 on my array failed. A WD 2Tb disk. I installed a new 3Tb drive (my parity drive is also 3Tb) Per usual - I have done this before. I followed the instructions here: https://lime-technology.com/wiki/Replacing_a_Data_Drive However - I never got a rebuild option. Instead I have a Format option under Stop and before Check. it says: Format will create a file system in all Unmountable disks, discarding all data currently on those disks. Yes I want to do this Drive 4 data is showing up but drive 4 is down right now. I have not clicked on Format. Thank you in advance for any help / advice on how to bring up drive 4 back to normal. On screen errors. unRAID array errors: 29-06-2018 22:14 Warning [THEORACLE] - array has errors Array has 1 disk with read errors Alert [THEORACLE] - Disk 4 in error state (disk dsbl)ST3000DM008-2DM166_Z505D7A4 (sds) Edited July 10, 20187 yr by daytona235
June 30, 20187 yr Community Expert New disk you're trying to use had lots of ATA errors and got disabled: Jun 29 22:13:45 theoracle kernel: ata18.00: disabled Since it dropped offline there's no SMART report, check connections and try again, or post new diags after so we can see the SMART report. Disk4 might mount after this is solved since it's complaining about an invalid partition due to the disk dropping offline, but if it doesn't never format.
June 30, 20187 yr Author The new disk 3Tb? had errors or the 2Tb that was there before had errors? Will try re-seating it. Thank you.
July 9, 20187 yr Author Thank you Johnnie.black - ordered another new drive - and all is well. What section of which log file should I check so I do not bother you good folks on the forum for this in the future.
July 9, 20187 yr Community Expert 24 minutes ago, daytona235 said: What section of which log file should I check so I do not bother you good folks on the forum for this in the future. The part I posted above is when the disks gets disabled, all the preceding ATA errors show the complete problem.
July 9, 20187 yr Author Hmm interesting the new (second replacement drive) is demonstrating the same symptom. When I first put it in - the indicator next to the drive went blue - then it become a red cross.
July 9, 20187 yr Community Expert Very strange, I see the disk being replaced but no attempt to start the rebuild and no reason for the disk to become disable, can you reboot and try again? You should also upgrade to latest unRAID.
July 9, 20187 yr Author Rebooted no luck. I am copying the important data to another disk. What else can I try? should I try?
July 9, 20187 yr Community Expert You need to repeat the replacement procedure after rebooting, i.e., unassign the disk, start the array, stop the array, re-assign the disk, start the array again, if it fails again post new diags.
July 9, 20187 yr Author when my server reboots it tries to go into business as usual is there a way to make the server to not mount all the drives instead wait for me to start the array?
July 9, 20187 yr Author Actually no that doesnt do it - I want to reboot the server without it auto starting the array
July 9, 20187 yr Community Expert 1 minute ago, daytona235 said: Actually no that doesnt do it - I want to reboot the server without it auto starting the array You can turn of auto start under Settings->Disk Settings
July 9, 20187 yr Author ok did this: 1. Stop array 2. Unallocate disk 4 - no disk at all 3. Rebooted 4. Stop array 5. Allocate new 3TB disk - it started to rebuild 6. Fingers crossed
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