On Mon, 12 Jan 2004, Luca Berra wrote:
> On Mon, Jan 12, 2004 at 12:28:37PM -0600, Sharif Islam wrote:
[...]
> ># cat /proc/mdstat
> >Personalities : [linear] [raid0]
> >read_ahead 1024 sectors
> >Event: 1
> where does this line come from?
> are you running a vanilla or patched kernel? which version?
No patching.
# uname -r
2.4.21-4.ELsmp
Red Hat Enterprise Linux AS release 3
Few other things I noticed while playing with linear raid. I haven't
seen much documentation online about it, so bare with me. It is a test
machine so I am not worried about data loss or things like that.
1. The raid creation process was very quick, unlike RAID 1 and RAID 5.
2. Every time I reboot the raid partition doesn't get mounted. However,
if I run
mdadm -Cv -llinear -n6 /dev/md0 /dev/hd{e,f,g,h,k,l}
and
mount /dev/md0 /raid
it comes back again with all my data.
I included the partition in /etc/fstab, but that gives error. Also my
rc.local has mdadm -As + mount command. That doesn't have any effect
either.
and
3. I get the following warning message when I run
the mdadm -Cv command, for all the disks.
mdadm: /dev/hdi appears to contain an ext2fs file system
size=120103040K mtime=Mon Jan 12 12:42:37 2004
...
Continue creating array?
I hit yes, and my array is back. Here mtime is the last time my array
was up.
Did I screw up somewhere or all these make some sense?
-Sharif
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