Re: device in raidz2 array only partially recognised by the OS

From: void <void_at_f-m.fm>
Date: Thu, 26 Jun 2025 14:30:56 UTC
hi, thanks for trying to help

On Thu, Jun 26, 2025 at 08:15:02AM -0600, Alan Somers wrote:

>Does the /dev/da7 device node exist?  

no

>If not, does "camcontrol rescan all" bring it back?  

no:

root@storage:~ # file /dev/da7
/dev/da7: cannot open `/dev/da7' (No such file or directory)

root@storage:~ # camcontrol rescan all
Re-scan of bus 0 was successful
Re-scan of bus 1 was successful
Re-scan of bus 2 was successful
Re-scan of bus 3 was successful
Re-scan of bus 4 was successful
Re-scan of bus 5 was successful
Re-scan of bus 6 was successful
Re-scan of bus 7 was successful
Re-scan of bus 8 was successful
Re-scan of bus 9 was successful

root@storage:~ # file /dev/da7
/dev/da7: cannot open `/dev/da7' (No such file or directory)
root@storage:~ # 

>If it does exist, can it be read from?  

n/a

>Does smartctl report any errors?  

no. 'smartctl -t short -d cciss,7 /dev/ciss0' completed without error.

Now running 'smartctl -t long -d cciss,7 /dev/ciss0' estimated time 9hrs to
complete.

>Does "zdb -l /dev/da7" show a ZFS label?

root@storage:~ # zdb -l /dev/da7
cannot open '/dev/da7': No such file or directory
root@storage:~ # 
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