On Sat, 17 Apr 2004, Guy wrote: > I took a quick look. I think this is the issue. > Your device line does not have md0 md0 is the device that I'm building; md1 and md2 are the members. I believe that the problem is that mdadm is assembling md1 and md2, but not including them as potential candidates when looking for members to assemble md0. Hence the "bug or feature" question. But thanks for the suggestion. :) -Chris > Change: > DEVICE /dev/sd[abcdefghij]1 /dev/md[12] > To: > > DEVICE /dev/sd[abcdefghij]1 /dev/md[012] > > Guy > > > -----Original Message----- > From: linux-raid-owner@vger.kernel.org > [mailto:linux-raid-owner@vger.kernel.org] On Behalf Of Chris Stromsoe > Sent: Saturday, April 17, 2004 4:55 AM > To: linux-raid@vger.kernel.org > Subject: mdadm -A -s and a mirror of two stripes > > I've got two stripes that were set up as > > mdadm -C /dev/md1 --level=stripe -n 5 \ > /dev/sda1 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 > mdadm -C /dev/md2 --level=stripe -n 5 \ > /dev/sdf1 /dev/sdg1 /dev/sdh1 /dev/sdi1 /dev/sdj1 > > and a mirror that was set up by doing > > mdadm -C /dev/md0 --level=mirror -n 2 /dev/md1 /dev/md2 > > > My /etc/mdadm/mdadm.conf reads > > DEVICE /dev/sd[abcdefghij]1 /dev/md[12] > ARRAY /dev/md1 level=raid0 num-devices=5 > UUID=75892ebc:b52333a4:b77cbdca:9d50c65d > devices=/dev/sda1,/dev/sdb1,/dev/sdc1,/dev/sdd1,/dev/sde1 > ARRAY /dev/md2 level=raid0 num-devices=5 > UUID=c7547e18:48952f89:49893143:e477c407 > devices=/dev/sdf1,/dev/sdg1,/dev/sdh1,/dev/sdi1,/dev/sdj1 > ARRAY /dev/md0 level=raid1 num-devices=2 > UUID=26e3111e:90a3407d:341ed800:1f431f24 devices=/dev/md1,/dev/md2 > > > mdadm -A -s starts md1, then md2, but doesn't start md0. I have to run it > a second time to get md0 to start. The first run prints out: > > mdadm: /dev/md1 has been started with 5 drives. > mdadm: /dev/md2 has been started with 5 drives. > mdadm: no devices found for /dev/md0 > > Is that a bug or a feature? mdadm is v1.4.0. > > > -Chris > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > > - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
