| Pat Regan on 18 Jan 2006 08:11:07 -0000 |
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Doug Crompton wrote: > Ok Let me summarize my understanding of this..... > > Keep in mind I am doing this with suse10 yast and not manually. > I haven't used Suse since the 90s sometime, so I don't know what Yast looks like anymore :). > 1. Create extended Partitions on two equal size drives. > > 2. Create three logical partitions on each drive for > boot, swap, lvm with type FD. > > 3. Create md0, md1, md2 raid 1 devices (/boot, swap, lvm) > > 4. Put filesystem on md0 (will be /boot, small partition ext2) > > 5. create LVM system and volumes on md2 > > 6. Put filesystems on logical volumes (resiser) > Everything sounds reasonable to me. > For step 2 where does md2 become swap type ID? > md2 which becomes LVM system is not formated in step 3 ? > If you want to put your swap partition under LVM it will not need its own md device (can anyone confirm that that works properly? I would assume it should work just fine). If you want to mirror your swap (to maximize uptime) but not have it on an LV (if someone says it doesn't work :p) just make an md device for it and mkswap the md device. If you don't mind a system crash when a disk fails you can mkswap the individual partitions on each disk. The VM system will use them very much like RAID 0. > I am trying to do this in the least complicated way. Unfortunately I have > generally followed the SUSE suggestion of having /boot, /, /home, /usr, > /var, /opt plus swap partitions which seems to make it complicated when > going to sw raid. I think the old school way of separating these filesystems on a desktop machine is a little outdated. You might save yourself some fragmentation on your /usr partition but what happens when you guess wrong and it fills up (I've guessed wrongly in the past :p)? I know you can fix this with LVM but I don't think you are buying yourself much advantage. Pat Attachment:
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