no file system after replacing bad RAID drive
Gayn Winters
gayn.winters at bristolsystems.com
Tue Nov 28 07:15:08 PST 2006
> -----Original Message-----
> From: owner-freebsd-hardware at freebsd.org
> [mailto:owner-freebsd-hardware at freebsd.org] On Behalf Of
> Palle Girgensohn
> Sent: Tuesday, November 28, 2006 2:12 AM
> To: hardware at freebsd.org
> Subject: no file system after replacing bad RAID drive
>
>
> Hi!
>
> We just got Dell to replace a bad drive in a RAID5 cluster.
> After reboot,
> megarc says their all online, but FreeBSD cannot find a file
> system on the
> logical drive. It worked before replacing (in degraded mode).
>
> It is a Dell 2850 with a Perc4/I (really a LSILogic MegaRAID)
> controller
> running FreeBSD 6.0
>
> Any ideas how to get the file system back? bsdlabel finds no
> label, and
> since the OS does not find the label during startup, there
> are no devices.
> I tried some megarc and camcontrol commands, but nothing
> seems to help.
>
> Any ideas appreciated. Thanks,
> Palle
I have not been able to get my PERC4 to rebuild while online. Have you
tried stopping the boot (control M as I recall) to get into the PERC4
firmware and rebuilding the RAID from there? My rebuild (3x150GB RAID5)
takes about 14 hours - totally offline.
-gayn
Bristol Systems Inc.
714/532-6776
www.bristolsystems.com
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