On 14/11/2002 17:30, Ira Abramov wrote:

Quoting Sagi Bashari, from the post of Thu, 14 Nov:

I can move /var to / and repartition /var. But I have software RAID running on this drive. Is it safe to do, remotely, when software RAID is activated on / and /home?

probably OK, but you won't be able to see that directory till you
reboot. mixing MD and non-MD on the same drive makes little sense
to me though.

I do not intend to mix MD and non-MD, I just need to delete existing MD partition and create several small partitions from it.


look at EVMS, it will make many of those steps easier.


Yes, you suggested that few weeks ago. But RedHat do not offer it as
part of their official kernels, and I'd rather not compile it myself
because I don't have physical access and kernel security updates are
much easier with the official RPMs.

humpf. no solutions without reboots then. try and find a clean hour at
3am when the server can be taken down for a while.

I have no problem to reboot. It just has to be done remotely (and I have the knowledge and the resources to do it remotely). My question is just if it is safe to repartition free space on harddisk that is currently in use.

Quoting http://iglu.org.il/LDP/HOWTO/Software-RAID-HOWTO-4.html:
"Never NEVER *never* re-partition disks that are part of a running RAID. If you must alter the partition table on a disk which is a part of a RAID, stop the array first, then repartition."

It just sounds strange, if linux treats the RAID members as normal drives.

Sagi



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