Ruslan Sivak wrote: > Ross S. W. Walker wrote: >>> -----Original Message----- >>> From: centos-bounces at centos.org [mailto:centos-bounces at centos.org] >>> On Behalf Of Ruslan Sivak >>> Sent: Monday, May 07, 2007 12:53 PM >>> To: CentOS mailing list >>> Subject: [CentOS] Anaconda doesn't support raid10 >>> >>> So after troubleshooting this for about a week, I was finally able >>> to create a raid 10 device by installing the system, copying the md >>> modules onto a floppy, and loading the raid10 module during the >>> install. >>> Now the problem is that I can't get it to show up in anaconda. It >>> detects the other arrays (raid0 and raid1) fine, but the raid10 >>> array won't show up. Looking through the logs (Alt-F3), I see the >>> following warning: >>> >>> WARNING: raid level RAID10 not supported, skipping md10. >>> I'm starting to hate the installer more and more. Why won't it let >>> me install on this device, even though it's working perfectly from >>> the shell? Why am I the only one having this problem? Is nobody >>> out there using md based raid10? >> >> Most people install the OS on a 2 disk raid1, then create a separate >> raid10 for data storage. >> >> Anaconda was never designed to create RAID5/RAID10 during install. >> >> -Ross >> >> > > Whether or not it was designed to create a Raid5/raid10, it allows the > creating of raid5 and raid6 during install. It doesn't, however, > allow the use of raid10 even if it's created in the shell outside of > anaconda (or if you have an old installation on a raid10). > I've just installed the system as follows > > Raid1 for /boot with 2 spares (200mb) > raid0 for swap (1GB) > raid6 for / (10GB) > > after installing, I was able to create a raid10 device and > successfully mount and automount by using /etc/fstab > > Now to test what happens when a drive fails. I pulled out the first > drive - Box refuses to boot. Going into rescue mode, I was able to > mount /boot, was not able to mount the swap drive (as to be expected, > as it's a raid0), was also not able to mount the / for some reason, > which is a little surprising. > I was able to mount the raid10 parition just fine. > Maybe I messed up somewhere along the line. I'll try again, but it's > disheartening to see that a raid6 array would die after one drive > failure, even if it was somehow my fault. > Also assuming that the raid5 array could be recovered, what would I do > with the swap partition? Would I just recreate it from the space in > the leftover drives and would that be all that I need to boot? > Russ > > Russ, Nothing here to help you (again - :) just looking down the road a little. If you do get this thing working the way you want, will you be able to trust it to stay that way? -- Toby Bluhm Midwest Instruments Inc. 30825 Aurora Road Suite 100 Solon Ohio 44139 440-424-2250