On Monday 23 January 2006 10:05 pm, Neil Brown wrote: > > This is a poor choice for an mdadm.conf file. > The device names of 'SCSI' devices are prone to change with changing > system configuration. If something disappears or is added, all the > names could change, and this will cease to work. > I would strongly recommend putting UUIDs in there. > > echo 'DEVICE /dev/sd[a-l]' > /etc/mdadm/mdadm.conf > mdadm -Ds | grep -v devices >> /etc/mdadm/mdadm.conf This last line gives nothing because -v switch selects lines not having devices, but the other line has num-devices which also matches: ie C1:~# mdadm -Ds ARRAY /dev/md3 level=raid1 num-devices=2 UUID=209ab7c8:d37fee49:3a63af71:99193e75 devices=/dev/sde1 ARRAY /dev/md2 level=raid1 num-devices=2 UUID=03dc44fa:606063e2:83e69037:50d00eb5 devices=/dev/sdd1 ARRAY /dev/md1 level=raid1 num-devices=2 UUID=88433668:ffa6265d:5ed3569b:9ef1d0f8 devices=/dev/sdc1 ARRAY /dev/md0 level=raid1 num-devices=2 UUID=5f001583:253365c1:1092ccdf:b052e938 devices=/dev/sdb1,/dev/sda1 thus C1:~# mdadm -Ds|grep -v devices C1:~# while you must want C1:~# mdadm -Ds |grep num-devices ARRAY /dev/md3 level=raid1 num-devices=2 UUID=209ab7c8:d37fee49:3a63af71:99193e75 ARRAY /dev/md2 level=raid1 num-devices=2 UUID=03dc44fa:606063e2:83e69037:50d00eb5 ARRAY /dev/md1 level=raid1 num-devices=2 UUID=88433668:ffa6265d:5ed3569b:9ef1d0f8 ARRAY /dev/md0 level=raid1 num-devices=2 UUID=5f001583:253365c1:1092ccdf:b052e938 (excuse the line wrap by kmail) thanks Mitchell Laks > > NeilBrown > - > To unsubscribe from this list: send the line "unsubscribe linux-raid" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > 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@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html