There is no problem in breaking RAID (mirror or otherwise), you do not lose information.
So, backup, break the raid, repartition, rebuild the raid and restore. I did it, and it's very simple. ----- Original Message ----- From: "Sagi Bashari" <[EMAIL PROTECTED]> To: "Ira Abramov" <[EMAIL PROTECTED]> Cc: <[EMAIL PROTECTED]> Sent: Thursday, November 14, 2002 5:56 PM Subject: Re: postfix causing very high load average > 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 > > > > ================================================================= > To unsubscribe, send mail to [EMAIL PROTECTED] with > the word "unsubscribe" in the message body, e.g., run the command > echo unsubscribe | mail [EMAIL PROTECTED] > > ================================================================= To unsubscribe, send mail to [EMAIL PROTECTED] with the word "unsubscribe" in the message body, e.g., run the command echo unsubscribe | mail [EMAIL PROTECTED]
