I don't know of a method to do it dynamically. Your RAID will probably have to be recreated.
- Sebastian On Fri, 18 Nov 2005, Damon Jacobsen wrote: > In doing the drive partitioning as I specified, is it possible to later > increase the raid partition size? In other words, if I replaced my 200G > drives with 300G drives, would I be able to up the partition size on all 4 > drives to 300G for raid use? > > Damon > > > ----- Start Original Message ----- > From: "Damon Jacobsen" <[EMAIL PROTECTED]> > To: [EMAIL PROTECTED] > Subject: Re: [RLUG] LVM and RAID > > > My new computer has (2) 300G and (2) 200G hard drives. As I see it , using > > LVM and RAID a good setup might be to partitioln and combine as follows: > > > > hda > > 1 200G > > 2 99G > > 3 1G > > hdb > > 1 200G > > 2 99G > > 3 1G > > hdc > > 1 200G > > hdd > > 1 200G > > > > Then combine hda2, and hdb2 into a raid1. Then combine hdx2 into a raid 5. > > > > Further I would use these arrays in LVM so that the raid1 is used for > > kernel level things and the raid5 for user and storage locations. I am not > > sure where some of these should end up however. I am sure /home should go > > on the raid5 and /boot and /etc on the raid1, but the others like /usr and > > /var, I am unsure where I should put them. > > > > hdx3 would be used for swap partitions. > > > > Any suggestions to this plan would be helpful. > > > > Damon > > > > > > ----- Start Original Message ----- > > From: Sebastian Smith <[EMAIL PROTECTED]> > > To: Damon Jacobsen <[EMAIL PROTECTED]> > > Subject: Re: [RLUG] LVM and RAID > > > > > Damon, > > > > > > I use LVM on top of SW RAID all the time. It a very easy setup. Here are > > > two "howto" docs I use all the time: > > > > > > http://www.gentoo.org/doc/en/gentoo-x86-tipsntricks.xml (the software RAID > > > section) > > > > > > http://www.gentoo.org/doc/en/lvm2.xml > > > > > > Gentoo configuration of RAID and LVM2 maps 1:1 with all other Linux > > > distros. > > > > > > I'm currently running LVM2 on top of SW RAID 5 on 2 machines -- soon to be > > > 4. Performance is excellent... for the cost. > > > > > > - Sebastian > > > > > > > > > On Fri, 18 Nov 2005, Damon Jacobsen wrote: > > > > > > > Is there a way to combine LVM usage with software raid? I would like to > > > > get the easy drive remapping of LVM with the added benefit of increased > > > > throughput and mirroring of raid. My Nvidia 4 chipset allows a mock > > > > raid system, but research shows that using linux raid utils is faster. > > > > > > > > Thanks > > > > Damon > > > > > > > > _______________________________________________ > > > > RLUG mailing list > > > > [email protected] > > > > http://lists.rlug.org/mailman/listinfo/rlug > > > > > > > > > > > > > > ----- End Original Message ----- > > > > _______________________________________________ > > RLUG mailing list > > [email protected] > > http://lists.rlug.org/mailman/listinfo/rlug > > > > ----- End Original Message ----- > > _______________________________________________ > RLUG mailing list > [email protected] > http://lists.rlug.org/mailman/listinfo/rlug > _______________________________________________ RLUG mailing list [email protected] http://lists.rlug.org/mailman/listinfo/rlug
