[LU-596] 1.8<->2.1 interop: sanity test_69: FAIL: write succeeded, expect -ENOENT

• Type: Bug
• Resolution: Won't Fix
• Priority: Minor
• Fix Version/s: Lustre 2.1.0, Lustre 1.8.7
• Affects Version/s: Lustre 2.1.0, Lustre 1.8.6

Environment

Old Lustre Version: 1.8.6-wc1
Lustre Build: http://newbuild.whamcloud.com/job/lustre-b1_8/100/

New Lustre Version: master
Lustre Build: http://newbuild.whamcloud.com/job/lustre-master/257/

Rolling upgrading (Lustre servers and clients were upgraded one by one without unmounting others) from Lustre 1.8.6-wc1 to Lustre master under the following configuration:

OSS1: RHEL5/x86_64
OSS2: RHEL5/x86_64
MDS: RHEL5/x86_64
Client1: RHEL6/x86_64
Client2: RHEL5/x86_64

• Severity: 3
• Assignee: Robert Read (Inactive)
• Reporter: Jian Yu

Description

After upgrading OSS1 (fat-amd-2), running sanity test 69 on Lustre 1.8.6-wc1 clients (client-[12,13]) failed as follows:

== test 69: verify oa2dentry return -ENOENT doesn't LBUG ====== == 22:37:30
directio on /mnt/lustre/f69.2 for 1x2097152 bytes 
PASS
fail_loc=0x217
directio on /mnt/lustre/f69 for 2x2097152 bytes 
PASS
 sanity test_69: @@@@@@ FAIL: write succeeded, expect -ENOENT

Maloo report: https://maloo.whamcloud.com/test_sets/5fce928e-c7ca-11e0-8d02-52540025f9af