[LU-597] 1.8<->2.1 interop: sanity test_127: FAIL: Missing read_bytes stats Created: 16/Aug/11  Updated: 16/Aug/11  Resolved: 16/Aug/11

Status: Closed
Project: Lustre
Component/s: None
Affects Version/s: Lustre 2.1.0, Lustre 1.8.6
Fix Version/s: Lustre 2.1.0, Lustre 1.8.7

Type: Bug Priority: Minor
Reporter: Jian Yu Assignee: Robert Read (Inactive)
Resolution: Won't Fix Votes: 0
Labels: None
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
Rank (Obsolete): 6083

 Description   

After upgrading OSS1 (fat-amd-2), running sanity test 127 on Lustre 1.8.6-wc1 clients (client-[12,13]) failed as follows:

== test 127: verify the client stats are sane == 22:47:38
osc.lustre-OST0000-osc-ffff880318e3fc00.stats=0
osc.lustre-OST0001-osc-ffff880318e3fc00.stats=0
1+0 records in
1+0 records out
2097152 bytes (2.1 MB) copied, 0.056007 s, 37.4 MB/s
1+0 records in
1+0 records out
2097152 bytes (2.1 MB) copied, 0.0720016 s, 29.1 MB/s
 sanity test_127: @@@@@@ FAIL: Missing read_bytes stats

Maloo report: https://maloo.whamcloud.com/test_sets/641fa584-c7cb-11e0-8d02-52540025f9af

 Comments   
Comment by Jian Yu [ 16/Aug/11 ]

The failure in this ticket was caused by the one in LU-594.

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