On Fri, Jan 16, 2009 at 02:29:40PM -0600, Daniel Keisling wrote: > Right now I'm deleting the LUN, immediately creating a new LUN, and > presenting it back to the system with the same SCSI ID. Since it's a > snapshot, the LUN geometry is always the same. I've tried unpresenting > the LUN, deleting the SCSI devices, recreating/presenting the LUN, and > then doing a SCSI rescan, but the multipath errors are always there. > > Here's the multipath listings. I am only deleting/presenting the > "mpath33" map, but you can see the multipath errors and the other paths How are you 'deleting' the mpath33 map? Are you using 'dmsetup remove mpath33' ? > having a fault: > > Unmounting /dev/mapper/mpath33p1... > Multipath listing before LUN is deleted... > cred_arch (3600508b400106fcd0000700011f30000) dm-52 HP,HSV210 > [size=5.0G][features=1 queue_if_no_path][hwhandler=0] ..snip .. > > > Multipath listing after LUN is deleted and before LUN is added... I am not seeing how you are deleting the SCSI device of the node. Are you doing 'echo 1 > /sys/block/sdab/device/delete' for all of those block-devices that match the 'deleted LUN'? .. snip .. > > > Multipath output after LUN is added... How are you doing a SCSI rescan? -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
