Re: System won't boot after mirroring boot drive with disksuite

From: Dave Martini 1 (martini@mrpeabody.llnl.gov)
Date: Thu Dec 18 2003 - 12:31:46 EST


There is a typo in my email I said /etc/md but obviously I meant
/dev/md.

Dave.

> From sunmanagers-bounces@sunmanagers.org Thu Dec 18 09:31 PST 2003
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> Date: Thu, 18 Dec 2003 09:21:15 -0800 (PST)
> From: Dave Martini 1 <martini@mrpeabody.llnl.gov>
> To: sunmanagers@sunmanagers.org
> Subject: System won't boot after mirroring boot drive with disksuite
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>
> I mirrored these partitions on my boot drive to my 2nd. internal disk
>
> /
> /var
>
> I ran the bootmirror command on the / partition only.
> I manually changed the /etc/vfstab file to have /var mount
> onto the /etc/md device and I commented out the /var entry
> that was mounting on the /dev/dsk/c#t#d#. I did this right after
> I issued the metainit commands to create the concat/strip and then
> the metainit -m to attach them for var.
>
> When I rebooted the computer /var would not mount. I received
> this error
>
> "inconsistency please run fsck manually"
>
> When I ran fsck on the var slice I received this error
>
> "bad super block use alternate"
>
> When I tried to fsck using an alternate I got the same error and
> nothing worked.
>
> I had to re-install the OS.
>
> My question is there a certain procedure for unmounting /var
> from it's /dev/c#t#d# over to /dev/md? Should I have brought
> the system down to single and then manually tried to remount
> it onto the /dev/md? Is it ok to create the strip and mirror
> on a mounted /var partition?
>
> Any help would be great.
> David Martini
> LLNL
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