January 4, 20197 yr I just purchased 2 10TB drives. These 10's would replace the 8TB drives I have now as parity. Can I do both at one time or do I need to replace just one at a time. I figure if anything goes wrong I would have the original to fall back on. Thanks Curt Edited January 4, 20197 yr by Harro
January 4, 20197 yr You certainly can rebuild both at once, however, the safest option would be one at a time, with a correcting parity check showing zero errors after each replacement. Totally up to you how much risk you want to endure.
January 4, 20197 yr Author 26 minutes ago, jonathanm said: You certainly can rebuild both at once, however, the safest option would be one at a time, with a correcting parity check showing zero errors after each replacement. Totally up to you how much risk you want to endure. I have attached my log for parity checks. Not that it would make a difference but with over a year of checks with no errors, what percentage would you say are my chances of doing both compared to one at a time? parity-checks.log
January 4, 20197 yr Community Expert 12 minutes ago, Harro said: I have attached my log for parity checks. Not that it would make a difference but with over a year of checks with no errors, what percentage would you say are my chances of doing both compared to one at a time? parity-checks.log Current SMART for all disks would likely be a better indicator than past parity logs.
January 4, 20197 yr Author 8 minutes ago, trurl said: Current SMART for all disks would likely be a better indicator than past parity logs. I would imagine the extended test would be the go to instead of a short. I do think I have both on most of the drives.
January 4, 20197 yr Community Expert 8 minutes ago, Harro said: I would imagine the extended test would be the go to instead of a short. I do think I have both on most of the drives. Extended SMART test will take many hours. I just meant the SMART reports which you can easily get by clicking on a disk and looking at its attributes, and you can page through all disks attributes with the arrows. Or just look at the Dashboard. If none of the disks is showing a yellow triangle warning then that means Unraid considers them to have good SMART.
January 4, 20197 yr Author Well according to my smart reports which I downloaded from the Diagnostics report and from my dashboard , all looks good. But I think I will take all dockers offline and replace one at a time just to be on the safe side. Thanks for all the info .
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