Novell Open Enterprise Server 11 (OES 11) Linux
Linux and NSS partitions on same disk, Linux volume mounted
Feb 4 15:36:20 server-name nssmu: Error 22 from DM load ioctl (POOLNAME): Invalid argument Feb 4 15:36:20 server-name nssmu: Error validating/creating group object POOLNAME during discovery Feb 4 15:36:20 server-name kernel: [86165.949002] device-mapper: table: 253:5: linear: dm-linear: Device lookup failed Feb 4 15:36:20 server-name kernel: [86165.949005] device-mapper: ioctl: error adding target to table
Rebooted the server. The errors went away and the volumes/pools mounted successfully.
Conflicting device mapper objects because a LUN was removed, re-added, and treated as a new device.