Re: Software RAID on SPARC
Joost De Cock wrote:
I'm trying to get Debian on a Sun Enterprise 250 (250) server. I'm using the
sarge installer from CD and that seems to lack support for software RAID (MD)
(the option is there, but I've read somewhere it doesn't work, and that's
what it seems like when I try).
I've been googling, and searching this mailinglist, and I've found lots of
bits and pieces of usefull info but I just can't seem to nail it.
I've got 2 SCSI disks, and I want a mirrored install on them (raid1).
I've jumped plenty of hoops, and I currently have the raid disks visible when
I fire up the installer, but he can't mount them.
I'm just wondering if anyone can point me to some detailed instructions on how
to get this working. I did found some, but I think I'm going to need some
more help.
The main problem is that you can't put RAID partitions at cylinder 0,
or they would destroy the sun disklabel. Anything used for RAID must
start at cylinder 1 or later.
If you can partition the drive in a different box, you can simply put
a disklabel and the RAID partition, and then boot from the installer
and setup RAID. In theory, it should work...
In practice, for my SS5, I installed on non-RAID partition (/ and swap),
with space reserved for RAID, and moved the filesystems I wanted
to preserve to the LVM-on-RAID afterwards. (main disk was 9 GiB,
and secondary was 4 GiB so I only mirrored the datas, I still boot
on a regular /)
--
Romain Dolbeau
<romain@dolbeau.org>
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