Hello Chris, > Per multipath.conf(5): > | strict Both multipath and multipathd treat only such devices as multipath devices which have been > | part of a multipath map previously, and which are therefore listed in the wwids_file. > | Users can manually set up multipath maps using the multipathd add map command. Once set up > | manually, the map is remembered in the wwids file and will be set up automatically in the > | future. I wasn't aware of that. Thank you for pointing it out and resolving our issue. > I would guess your wwids/bindings files are empty, and thus you need to > follow the advice in the manpage: use multipathd add map, or maybe > multipath -a. Yes, that helped, once I executed the following commands, it works: (live) [/etc/multipath] lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 238.5G 0 disk sdb 8:16 1 58.9G 0 disk ├─sdb1 8:17 1 855M 0 part └─sdb2 8:18 1 4M 0 part sdc 8:32 0 750G 0 disk sdd 8:48 0 750G 0 disk sr0 11:0 1 1024M 0 rom (live) [/etc/multipath] multipath -a /dev/sdc wwid '3600a0980383143687224554b5472596b' added (live) [/etc/multipath] multipath -l (live) [/etc/multipath] cat wwids # Multipath wwids, Version : 1.0 # NOTE: This file is automatically maintained by multipath and multipathd. # You should not need to edit this file in normal circumstances. # # Valid WWIDs: /3600a0980383143687224554b5472596b/ (live) [/etc/multipath] /etc/init.d/multipath-tools restart Restarting multipath-tools (via systemctl): multipath-tools.service. (live) [/etc/multipath] multipath -l 3600a0980383143687224554b5472596b dm-0 NETAPP,LUN C-Mode size=750G features='3 queue_if_no_path pg_init_retries 50' hwhandler='1 alua' wp=rw |-+- policy='service-time 0' prio=0 status=active | `- 7:0:0:0 sdc 8:32 active undef running `-+- policy='service-time 0' prio=0 status=enabled `- 8:0:0:0 sdd 8:48 active undef running Cheers, Thomas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
