fix remote degraded gmirror

[Adam Vande More]

On Mon, Sep 28, 2009 at 4:14 AM, Robin Becker <robin at reportlab.com> wrote:

> I have a freebsd 6.1 system with a gmirror raid 1 which is degraded.
>
> Originally I had /dev/ad4 & /dev/ad6, but I'm getting a degraded status and
> log messages reporting dergraded status and uncorrectable block for ad4.
>
> Obviously I need to remove the device and get it replaced and then insert
> back into the mirror.
>
> However, this is a remote machine and I need to get the right disk fixed.
>
> Is there a way I can get the colocation engineer to replace the right disk?
>
> I guess I need to do 1) figure out what kind of disk this is and


Looks like sata...


> 2) figure out some information to allow them to identify.
>

Power down system and disconnect one drive.  Note that the drive plugged
into the lowest sata port is probably ad4.  Watch dmesg and check hd
detection.  If you got the wrong one unplug and try again with other disk.

Refer to man gmirror for replace procedure, it's quite simple.



>
>
> I looked at the smartctl output and see this
>
> /dev/ad4
> Device Model:     WDC WD1600JS-22MHB0
> Serial Number:    WD-WCANM4438410
>
> /dev/ad6
> Device Model:     WDC WD1600JS-22MHB0
> Serial Number:    WD-WCANM4434657
>
> is this sufficient to enable a data centre engineer to fix my problem?
> --
> Robin Becker
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-- 
Adam Vande More