4 failing drives in my 6 disc RaidZ2

[ethereal]

2 drives are passing the long and short tests. the other 4 were okay but recently this has been happening - this is typical of all 4 drives.

smartctl 6.6 2017-11-05 r4594 [FreeBSD 11.2-STABLE amd64] (local build)
style='font-size:10.5pt'>
style='font-size:10.5pt'>SMART Self-test log structure revision number 1
style='font-size:10.5pt'>Num Test_Description Status Remaining LifeTime(hours) LBA_of_first_error
style='font-size:10.5pt'># 1 Short offline Completed without error 00% 43683 -
style='font-size:10.5pt'># 2 Short offline Aborted by host 90% 43683 -
style='font-size:10.5pt'># 3 Short offline Completed without error 00% 43659 -
style='font-size:10.5pt'># 4 Short offline Aborted by host 90% 43659 -
style='font-size:10.5pt'># 5 Short offline Completed without error 00% 43636 -
style='font-size:10.5pt'># 6 Short offline Aborted by host 90% 43636 -
style='font-size:10.5pt'># 7 Short offline Completed without error 00% 43635 -
style='font-size:10.5pt'># 8 Short offline Completed without error 00% 43611 -
style='font-size:10.5pt'># 9 Short offline Completed without error 00% 43587 -
style='font-size:10.5pt'>#10 Extended offline Completed without error 00% 43578 -
style='font-size:10.5pt'>#11 Short offline Completed without error 00% 43563 -
style='font-size:10.5pt'>#12 Short offline Completed without error 00% 43539 -
style='font-size:10.5pt'>#13 Short offline Completed without error 00% 43515 -
style='font-size:10.5pt'>#14 Short offline Completed without error 00% 43491 -
style='font-size:10.5pt'>#15 Short offline Completed without error 00% 43467 -
style='font-size:10.5pt'>#16 Short offline Completed without error 00% 43443 -
style='font-size:10.5pt'>#17 Short offline Completed without error 00% 43419 -
style='font-size:10.5pt'>#18 Extended offline Completed without error 00% 43410 -
style='font-size:10.5pt'>#19 Short offline Completed without error 00% 43395 -
style='font-size:10.5pt'>#20 Short offline Completed without error 00% 43372 -
style='font-size:10.5pt'>#21 Short offline Completed without error 00% 43348 -

all the failing drives are pretty old - 40524 to 47481 hrs.

i have 4 good discs on my shelf and i plan on replacing the drive with the most hours first.
is the best practice for replacing multiple failing discs to do 1 at a time ?

thank you

 

[Johnnie Black]

"Aborted by host" is not a disk problem, something is aborting the SMART test, e.g., spinding down a disk during a SMART test will cause that, power problem, etc.

 

[ethereal]

"Aborted by host" is not a disk problem, something is aborting the SMART test, e.g., spinding down a disk during a SMART test will cause that, power problem, etc.

thanks for your reply - so what do you recommend ?
the 6 discs all did smart testing at the same time - so why did 4 not finish ?
would you wait until the discs start getting - read/write/checksum errors ?

my uptime is 34 days - and the short are daily - the long weekly

i don't think i rebooted during the aborted tests

 

[Johnnie Black]

Run them again, preferebly when the disks are not being used, you can also look on the log for any entries during tests.

 

[ethereal]

thanks again - where is the log ?

i think i'll update to the latest freenas and reboot