[LU-2202] 1.8.8/2.2<->master MDS fails to mount due to lack of index for MDS on older lustre

• Type: Bug
• Resolution: Duplicate
• Priority: Minor
• Affects Version/s: Lustre 2.4.0
• Environment: client: lustre-b1_8 or lustre-b2_2; server: master
• Severity: 3
• Assignee: WC Triage
• Reporter: Sarah Liu

Description

Hit this failure in interop testing between master and b2_2/b1_8

13:52:33:Starting mds: -o user_xattr,acl  /dev/lvm-MDS/P1 /mnt/mds
13:52:33:CMD: client-29vm3 mkdir -p /mnt/mds; mount -t lustre -o user_xattr,acl  /dev/lvm-MDS/P1 /mnt/mds
13:52:33:client-29vm3: mount.lustre: /dev/mapper/lvm--MDS-P1 has no index assigned (probably formatted with old mkfs)

https://maloo.whamcloud.com/test_sessions/98a446b8-170a-11e2-962d-52540035b04c
https://maloo.whamcloud.com/test_sessions/f1eae4c8-1649-11e2-9c65-52540035b04c

Issue Links

• duplicates: LU-1526 interop 1.8,2.1 -> 2.4 "mkfs.lustre FATAL: The target index must be specified with --index"
• is related to: LU-2022 MGS fails to mount due to "has no index assigned (probably formatted with old mkfs" error