Jim Baxter <[EMAIL PROTECTED]> wrote:
>I think I successfully got raid 1 up via a full install. I have only the
>main data mirrored.
What do you mean by "main data"? Which filesystems are mirrored?
>It would be nice to mirror the full drive but I will try that later.
>If that is not possible please tell me not to waste my time.
It can be done but I'm not an advocate of software root-RAID. See my
earlier post/ramblings on the topic or I'll dig up my original e-mail if
you're interested.
>For now, could someone tell me how the system will notify us we had or have
>a problem?
I would imagine syslog will start spewing messages to /var/log/messages and
the console. I don't know exactly what they'll say but it should be pretty
obvious. (Something about mirror X not working and continuing to run in
degraded mode IIRC.) You can also check the status of your software RAID
arrays via the /proc filesystem:
# cat /proc/mdstat
Personalities : [raid1]
read_ahead 1024 sectors
md1 : active raid1 sdc1[1] sdb1[0] 8886144 blocks [2/2] [UU]
md0 : active raid1 sde10[1] sda10[0] 1380224 blocks [2/2] [UU]
unused devices: <none>
This server has two RAID1 filesystems and both are working properly. I
*think* "[2/2]" indicates two of two mirrors working properly and I don't
know what "[UU]" means but if you see something like "[U_]" it generally
indicates one mirror is either out of sync or not working.
-Eric
Eric Sisler
Library Computer Technician
Westminster Public Library
Westminster, CO, USA
[EMAIL PROTECTED]
Linux - don't fear the Penguin.
Want to know what we use Linux for?
Visit http://gromit.westminster.lib.co.us/linux
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