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

Reply: void : "Re: device in raidz2 array only partially recognised by the OS"
In reply to: void : "device in raidz2 array only partially recognised by the OS"
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From: Ronald Klop <ronald-lists_at_klop.ws>
Date: Thu, 26 Jun 2025 15:12:46 UTC

I don't dare to say. but... did you try to turn it off and on again?

Like again full power off and power on. Or replug the cable.

Regards,
Ronald.

 
Van: void <void@f-m.fm>
Datum:donderdag, 26 juni 2025 16:09
Aan:freebsd-fs@freebsd.org
CC:freebsd-current@freebsd.org
Onderwerp:device in raidz2 array only partially recognised by the OS
> 
> (posted to both -current and -fs because am unsure which is more relevant)
> 
> On a machine running GENERIC-NODEBUG amd64 1500026 1500026 FreeBSD 15.0-CURRENT #0 main-
> n273486-88dd0550920c, a disk in the raidz2 array dropped out and is no longer recognised by
> the OS in terms of zfs but *is* recognised by smartctl. I've tried onlining the device but
> it says it can't find /dev/da7. The array is connected in HBA mode to a HP Smart Array P440 Controller. The disk dropped out of the array after an extended power outage.
> 
> zpool status:
> 
>    NAME                    STATE     READ WRITE CKSUM
>    data                    DEGRADED     0     0     0
>      raidz2-0              DEGRADED     0     0     0
>        da1                 ONLINE       0     0     0
>        da2                 ONLINE       0     0     0
>        da3                 ONLINE       0     0     0
>        da4                 ONLINE       0     0     0
>        da5                 ONLINE       0     0     0
>        da6                 ONLINE       0     0     0
>        114031416858974629  UNAVAIL      0     0     0  was /dev/da7
> 
> da0 is the boot disk and is not part of the array. It's not a root-on-zfs.
> 
> smartctl:
> 
> doas smartctl -x -d cciss,7 /dev/ciss0
> 
> smartctl 7.4 2023-08-01 r5530 [FreeBSD 15.0-CURRENT amd64] (local build)
> Copyright (C) 2002-23, Bruce Allen, Christian Franke, www.smartmontools.org
> 
> === START OF INFORMATION SECTION ===
> Vendor:               SEAGATE
> Product:              ST4000NM0023
> Revision:             A001
> Compliance:           SPC-4
> User Capacity:        4,000,787,030,016 bytes [4.00 TB]
> Logical block size:   512 bytes
> LU is fully provisioned
> Rotation Rate:        7200 rpm
> Form Factor:          3.5 inches
> 
> (etc etc)
> 
> There are no relevant errors in the iLo. How can I make the zpool see the disk again?
> -- 
>  
> 
> 
>