December 24, 20241 yr Community Expert Leave old disk4 unassigned for now, you can also start the new disk4 rebuild while you run the scrub.
December 24, 20241 yr Author 1 hour ago, JorgeB said: Leave old disk4 unassigned for now, you can also start the new disk4 rebuild while you run the scrub. OK thanks, data rebuild is now running, and scrub is as well. I will post results, it will take ages so Have a great Christmas. Thanks again for your time and assistance.
December 24, 20241 yr Author UUID: c95e4fc6-e562-4bf0-8e45-600e8e7f8caf Scrub started: Tue Dec 24 12:07:35 2024 Status: finished Duration: 1:54:57 Total to scrub: 163.61GiB Rate: 24.29MiB/s Error summary: csum=215 Corrected: 0 Uncorrectable: 215 Unverified: 0
December 24, 20241 yr Community Expert Solution Look in the syslog, the corrupt files should have been listed during the scrub, they should be deleted/restore from a backup, then run another scrub to confirm 0 errors.
December 24, 20241 yr Author ok, Am I best to wait for the rebuild to finish? I see lots of files missing from the array and they are all on the original disc 4 which is just mounted, I guess that the original problem with that drive was caused by the faulty power cable from the psu as the only errors on that drive I could see from smart were UDMA CRC error count which was high 757 but hasn't changed since I changed the psu. no other errors reported with the SMART test on that old drive. Am I right in thinking that the first rebuild that was cancelled deleted them from the emulated disk? If so I am lucky that the original disk is intact.
December 24, 20241 yr Community Expert 22 minutes ago, PistolKnight_UK said: Am I right in thinking that the first rebuild that was cancelled deleted them from the emulated disk? No. All a rebuild does is make a physical drive match an emulated one. It does not even know about files as it works at the raw sector level.
December 24, 20241 yr Author 12 minutes ago, itimpi said: No. All a rebuild does is make a physical drive match an emulated one. It does not even know about files as it works at the raw sector level. thanks for answering that for me, I will wait for the rebuild to complete before doing any more, all the missing files from the emulated disk seem to be on my original mounted disk. I am not sure where I am deleting the corrupt files highlighted in the scrub from anyway, whether it is from the array or the cache drive, both etc. I'll look again when I can think straight. it's been another long day in the mad rush before Christmas. 🙂
December 27, 20241 yr Author On 12/25/2024 at 10:30 AM, JorgeB said: The files listed in the scrub will be from the pool only. Thanks for all the help, you have been great! I hope you have had a great Christmas. I have it all back uip and running now, restored or deleted the files shown from the scrub. done the scrub again and zero errors. I have a couple of TB of files on my old drive which I need to copy back to the new DISK 4. unless, is a way of just re-adding the disk to the array with the files on there? Once that is done I can then read up on moving the "Stable array" to my new hardware. 🙂 should be fun!
December 27, 20241 yr Community Expert 1 hour ago, PistolKnight_UK said: unless, is a way of just re-adding the disk to the array with the files on there? I do believe there is. But it could take longer than just copying a couple of TB from the old disk back to the new one. You would be adding that old disk to the array as a other data disk and that addition would require a rebuild of parity. @JorgeB can point you to the procedure to do that.
December 28, 20241 yr Community Expert Yeah, probably best to just copy the files from the old disk to the array.
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