On Thu, 8 Feb 2001, Luka Renko wrote: > Hello, > > I would like to setup server with two SCSI disks of same size on two SCSI > channels with software RAID1 (md) and would like to put LVM on top of it. > This RAID1 will be used for root, boot, swap and should also have other user > data on it (this is why I want some flexibility that LVM can provide). > > I have looked different HOWTOs how to do this and have still some open > questions: > > 1. Is it possible to install OS directly on SW RAID1 + LVM? > If not, how to do it in multiple steps (RAID HOWTO just mentions how to > install OS on SW RAID1, but not using LVM on top of SW RAID)? > > 2. Are there any known problems on LVM over SW RAID1 (I have seen some bug > reports on that)? > > 3. RAID HOWTO talks about slow read performance with RAID1 and that it > should be improved in new patches to come? Is this still true? Do I need to > apply any patches for that? > For 2.2.x you can get a patch see www.linuxraid.org > 4. I have also seen some discussion about issues with putting swap on SW > RAID? Is this still true? > Its still true for 2.2.x but not for 2.4.x. > 5. Should I create one or two (system, user) md devices? Is there any > difference? > What about multiple LVM VGs and PVs? It seems to me, that it does not make > any real difference... > > 6. What version of kernel (2.2 or 2.4) is better for such configuration? > What version of SW RAID and LVM should I use? Are there any additional > patches I should apply? > > 7. Does any distribution on the market (RedHat, SuSE, Mandrake...) have good > support for configuration I want? Or even is able to install on SW RAID1 + > LVM? > RedHat and Mandrake both support the new SW Raid, SuSE only supports the old SW Raid (don't know if the upcoming SuSE 7.1 will support it). I don't know about LVM. Holger - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to [EMAIL PROTECTED]
