Md loops forever when attempting to recover a 2 disk raid 1 array: Jul 7 16:32:35 soho user.info kernel: md: recovery of RAID array md0 Jul 7 16:32:35 soho user.info kernel: md: minimum _guaranteed_ speed: 1000 B/sec/disk. Jul 7 16:32:35 soho user.info kernel: md: using maximum available idle IO bandwidth (but not more than 200000 KB/sec) for recovery. Jul 7 16:32:35 soho user.info kernel: md: using 128k window, over a total of 2096384 blocks. Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.alert kernel: raid1: dm-1: unrecoverable I/O read error for block 0 Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.alert kernel: raid1: dm-1: unrecoverable I/O read error for block 128 Jul 7 16:32:35 soho user.info kernel: md: md0: recovery done. Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.alert kernel: raid1: dm-1: unrecoverable I/O read error for block 256 Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.alert kernel: raid1: dm-1: unrecoverable I/O read error for block 384 Jul 7 16:32:35 soho user.err kernel: scsi 1:0:0:0: rejecting I/O to dead device Jul 7 16:32:35 soho user.warn kernel: md: super_written gets error=-5, uptodate=0 Jul 7 16:32:35 soho user.warn kernel: RAID1 conf printout: Jul 7 16:32:35 soho user.warn kernel: --- wd:1 rd:2 Jul 7 16:32:35 soho user.warn kernel: disk 0, wo:1, o:1, dev:dm-7 Jul 7 16:32:35 soho user.warn kernel: disk 1, wo:0, o:1, dev:dm-1 Jul 7 16:32:35 soho user.warn kernel: RAID1 conf printout: Jul 7 16:32:35 soho user.warn kernel: --- wd:1 rd:2 Jul 7 16:32:35 soho user.warn kernel: disk 1, wo:0, o:1, dev:dm-1 Jul 7 16:32:35 soho user.warn kernel: RAID1 conf printout: Jul 7 16:32:35 soho user.warn kernel: --- wd:1 rd:2 Jul 7 16:32:35 soho user.warn kernel: disk 0, wo:1, o:1, dev:dm-7 Jul 7 16:32:35 soho user.warn kernel: disk 1, wo:0, o:1, dev:dm-1 Jul 7 16:32:35 soho user.info kernel: md: recovery of RAID array md0 ... This occurs after hotswap removing both drives of the raid1 array and reinserting them. The kernel version is 2.6.19. Is anyone familiar with this scenario? Can anyone shed any light on what's happening here? Thanks. - Michael - 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
