| Pat Regan on 17 Jan 2006 08:05:36 -0000 |
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Doug Crompton wrote: > How should (or should) the md0 raid partition be formated for LVM? I use > reisert here in general. But should the raid partition be formated in a > file system and then the LVM later? > You don't put a filesystem on the block devices underneath LVM. You use pvcreate to create an LVM physical volume (PV). Then, you use vgcreate to stitch together PVs into a volume group (VG). You can then slice up the VG into as many logical volumes as you like. > It I intend to boot from this array should I create swap and boot > partitions ouside of the raid on both drives first? If not how should this > be handled? > I always create my boot partition outside LVM but preferably on a RAID device. I don't want to fail to boot because of a drive failure. You can go either way with the swap. If uptime is your primary concern, put the swap on top of a RAID device (I have never tried putting swap on an LV but I would imagine it should work just fine). If you want faster swap and don't mind a reboot after a drive failure, create a swap partition on each disk. > Is booting from a raid array a good idea in general? > A very good idea. Redundancy doesn't do you much good if you can't boot the machine :). > Hopefully there is someone out there doing something similiar to this. > Probably a lot of people. I would be happy to share details of the LVM setup on my desktop if you are interested. Pat Attachment:
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