Re: [Evms-devel] problems starting RAID / EVMS on boot under gentoo (SOLVED)

[Alan <al...@uf...>]

Solved, changed the order line in /etc/conf.d/rc to just "evms" and all
is well.

On Wed, Jan 25, 2006 at 01:44:20PM -0800, Alan wrote:
> Hey all, I set up an EVMS volume over top of two software raid5 arrays
> and mounted it as a storage mount in my gentoo box, and it works great.
> 
> ... until I rebooted.  
> 
> On reboot I got a message saying that the EVMS volume couldn't be
> started because one of the RAID arrays was running in degraded mode.
> That's fine, so I go and check /proc/mdstat and one of the arrays is
> indeed running in degraded mode.  Running 
> 
> mdadm --assemble /dev/md0 /dev/hdb1 /dev/sda1 /dev/sdb1
> 
> told me that /dev/hdb1 was busy.  
> 
> Rebooting on a gentoo livecd gave me working raid fine and other than
> needing me to run 'evms_activate' after it booted up, I had full access.
> 
> I fought with this for about 4 hours last night found this:
> 
>  - booting normally seemed to somehow lock one raid partition.  The
>    kernel would detect that hdb1 had a type FD on it, try to start it
>    with 1 out of 3 disks, fail, then later on after the SATA drivers are
>    loaded it finds disks sda1 and sdb1 and starts the array with 2 of 3
>    disks, ignoring hdb1
>  - no change between having raid drivers and sata drivers in kernel or
>    as modules
>  - after rebooting and getting the degraded RAID array and the
>    non-starting EVMS volume, I can get it running by doing the
>    following:
>         - start evmsn
>         - deactivate /dev/md0 and /dev/md1
>         - save and quit
>         - (confirmed that both arrays are stopped in /proc/mdstat)
>         - start evmsn
>         - ensure that /dev/md0 and /dev/md1 have started again
>         - save and quit
>         - (confirm that both raid arrays are running in /proc/mdstat)
>         - mount now available volume
> 
> I'm not sure if this is a RAID issue, an EVMS issue, a gentoo init
> script issue, or what.  If anyone has similar issues I'd really
> appreciate it.
> 
> System Details:
> Kernel 2.6.15-gentoo-r1
> raid5/dm/sata_promise either compiled in or as modules
> /dev/md1 (working) - 3 ide disks
> /dev/md0 (broken ) - 1 ide disk and 2 SATA disks
> 
> 
> -- 
> Alan <al...@uf...> - http://arcterex.net
> --------------------------------------------------------------------
> "Backups are for people who don't pray."                 -- big Mike
> 
> 
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-- 
Alan <al...@uf...> - http://arcterex.net
--------------------------------------------------------------------
"Backups are for people who don't pray."                 -- big Mike