[LU-5420] Failure on test suite sanity test_17m: mount MDS failed, Input/output error

• Type: Bug
• Resolution: Fixed
• Priority: Blocker
• Fix Version/s: Lustre 2.8.0
• Affects Version/s: Lustre 2.6.0, Lustre 2.7.0
• Labels: HB dne patch
• Environment: client and server: lustre-b2_6-rc2 RHEL6 ldiskfs DNE mode
• Severity: 3
• Assignee: Di Wang
• Reporter: Sarah Liu

Description

This issue was created by maloo for sarah <[e-mail]>

This issue relates to the following test suite run: https://testing.hpdd.intel.com/test_sets/16302020-14ed-11e4-bb6a-5254006e85c2.

The sub-test test_17m failed with the following error:

test failed to respond and timed out

Hit this bug in many tests, the env is configured as 1 MDS with 2 MDTs. Didn't hit this error when the configuration is 2 MDSs with 2 MDTs
client console:

CMD: onyx-46vm7 mkdir -p /mnt/mds1
CMD: onyx-46vm7 test -b /dev/lvm-Role_MDS/P1
Starting mds1:   /dev/lvm-Role_MDS/P1 /mnt/mds1
CMD: onyx-46vm7 mkdir -p /mnt/mds1; mount -t lustre   		                   /dev/lvm-Role_MDS/P1 /mnt/mds1
onyx-46vm7: mount.lustre: mount /dev/mapper/lvm--Role_MDS-P1 at /mnt/mds1 failed: Input/output error
onyx-46vm7: Is the MGS running?
Start of /dev/lvm-Role_MDS/P1 on mds1 failed 5

Issue Links

• is related to: LU-5404 sanity test_228b FAIL: Fail to start MDT.
• is related to: LU-5077 insanity test_1: out of memory on MDT in crypto_create_tfm()
• is related to: LU-5407 Failover failure on test suite replay-single test_58c: test_58c failed with 2
• is related to: LU-5130 Test failure sanity test_17n: destroy remote dir error 0
• is related to: LU-8206 ptlrpc_invalidate_import ( ASSERTION( imp->imp_invalid ) failed
• is related to: LU-4913 mgc import reconnect race