This is probably one of the FAQs, I googled the error message but have not found a solution.
Had a RAID0 with 4 partitions: raiddev /dev/md0 raid-level 0 nr-raid-disks 4 persistent-superblock 1 chunk-size 8 device /dev/sdb1 raid-disk 0 device /dev/sdc1 raid-disk 1 device /dev/sde1 raid-disk 2 device /dev/sdf1 raid-disk 3 Problem happened after I pulled another disk out: sdd, which is not part of the RAID. Obviously, raid code get confused because sde1 now becomes sdd1, and sdf1 becomes sde1. The error message: ... md: device name has changed from sdf1 to sde1 since last import! md0: former device sde1 is unavailable, removing from array! md0: max total readahead window set to 992k md0: 4 data-disks, max readahead per data-disk: 248k md: md0, array needs 4 disks, has 3, aborting. raid0: disks are not ordered, aborting! md: pers->run() failed ... md :do_md_run() returned -22 md: md0 stopped. ... I updated the /etc/raidtab file to: raiddev /dev/md0 raid-level 0 nr-raid-disks 4 persistent-superblock 1 chunk-size 8 device /dev/sdb1 raid-disk 0 device /dev/sdc1 raid-disk 1 device /dev/sdd1 raid-disk 2 device /dev/sde1 raid-disk 3 but it doesn't help. I assume this is recoverable. If so, please help me out with the steps or related links. Is there a better way to build RAID at 2.4.xx ? Thanks in advance! -- redhat-list mailing list unsubscribe mailto:[EMAIL PROTECTED] https://www.redhat.com/mailman/listinfo/redhat-list