Error 22 from DM load ioctl (POOLNAME): Invalid argument

Document ID:7016210
Creation Date:18-Feb-2015
Modified Date:10-Mar-2015
- Micro Focus Products:
  Open Enterprise Server

Environment

Novell Open Enterprise Server 11 (OES 11) Linux

Linux and NSS partitions on same disk, Linux volume mounted

Situation

Feb  4 15:36:20 server-name nssmu[7105]: Error 22 from DM load ioctl (POOLNAME): Invalid argument
Feb  4 15:36:20 server-name nssmu[7105]: 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

Resolution

Rebooted the server. The errors went away and the volumes/pools mounted successfully.

Cause

Conflicting device mapper objects because a LUN was removed, re-added, and treated as a new device.