[LU-8825] Lustre MGT can not been re-mount ater activating nodemap function and adding nodemap rules

• Status: Resolved
• Project: Lustre
• Type: Bug
• Priority: Minor
• Reporter: sebg-crd-pm (Inactive)
• Assignee: Kit Westneat
• Resolution: Duplicate

Environment

Centos 7.2 3.10.0-327.22.2.el7.x86_64
Lustre 2.8.59_25_g40e3986
ZFS 0.6.5.7

• Severity: 3

Description

I mounted lustre file system, enabled nodemap function and added some rules by "lctl nodemap_add".Then I un-mounted all lustre and re-mounted MGT, error occurred. The error is in the following

Nov 11 09:51:30 Blustre1 kernel: Lustre: 9151:0:(nodemap_storage.c:856:nodemap_load_entries()) MGS-osd: failed to load nodemap configuration: rc = -2
Nov 11 09:51:30 Blustre1 kernel: LustreError: 9151:0:(mgs_fs.c:187:mgs_fs_setup()) MGS: error loading nodemap config file, file must be removed via ldiskfs: rc = -2
Nov 11 09:51:30 Blustre1 kernel: LustreError: 9151:0:(mgs_handler.c:1160:mgs_init0()) MGS: MGS filesystem method init failed: rc = -2
Nov 11 09:51:30 Blustre1 kernel: LustreError: 9151:0:(obd_config.c:574:class_setup()) setup MGS failed (-2)
Nov 11 09:51:30 Blustre1 kernel: LustreError: 9151:0:(obd_mount.c:199:lustre_start_simple()) MGS setup error -2
Nov 11 09:51:30 Blustre1 kernel: LustreError: 9151:0:(obd_mount_server.c:136:server_deregister_mount()) MGS not registered
Nov 11 09:51:30 Blustre1 kernel: LustreError: 15e-a: Failed to start MGS 'MGS' (-2). Is the 'mgs' module loaded?
Nov 11 09:51:30 Blustre1 kernel: Lustre: server umount MGS complete
Nov 11 09:51:30 Blustre1 kernel: LustreError: 9151:0:(obd_mount.c:1449:lustre_fill_super()) Unable to mount (-2)

Issue Links

• duplicates: LU-8824 sanity-sec test_9: ASSERTION( config-...

Comments

[Peter Jones]

Kit

Is this another manifestation of LU-8824?

Peter

[Kit Westneat]

It looks like it, that would be my guess.

[sebg-crd-pm (Inactive)]

Sorry for late response. I can remount the lustre now by using the patch, but there is still a problem that the nodemap fileset information will disappear after remounting.