[LU-594] 1.8<->2.1 interop: sanity test_27y: FAIL: files created on deactivated OSTs instead of degraded OST

• Type: Bug
• Resolution: Fixed
• 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: Zhenyu Xu
• Reporter: Jian Yu

Description

After upgrading OSS1 (fat-amd-2), running sanity test 27y on Lustre 1.8.6-wc1 clients (client-[12,13]) failed as follows:

== test 27y: create files while OST0 is degraded and the rest inactive == 20:40:14
lustre-OST0001-osc is Deactivate:
open(/mnt/lustre/d0.sanity/d27/f27y0) error: No space left on device
total: 0 creates in 61.40 seconds: 0.00 creates/second
llapi_semantic_traverse: Failed to open '/mnt/lustre/d0.sanity/d27/f27y0': No such file or directory (2)
error: getstripe failed for /mnt/lustre/d0.sanity/d27/f27y0.
 sanity test_27y: @@@@@@ FAIL: files created on deactivated OSTs instead of degraded OST 
Dumping lctl log to /home/yujian/test_logs/1313465731/sanity.test_27y.*.1313466087.log

Maloo report: https://maloo.whamcloud.com/test_sets/124d3d8a-c7c5-11e0-8d02-52540025f9af

Issue Links

• Trackbacks: Changelog 1.8 {}version 1.8.7wc1{} {}Support for networks: socklnd \any kernel supported by Lustre, qswlnd Qsnet kernel modules 5.20 and later, openiblnd IbGold 1.8.2, o2iblnd OFED 1.3, 1.4.1, 1.4.2, 1.5.1, 1.5.2, 1.5.3.1 and 1.5.3.2 gmlnd GM 2.1....