[LU-14314] interop: sanityn test 16e fails with 'expected filesize 22020096 got 10485760'

Related — Mon, 8 Mar 2021 16:09:46 +0000

sanityn test_16e fails for Lustre clients version >=2.13.53 and Lustre servers < 2.13.53. sanityn test 16e was added with patch 92d799217aea ~~LU-13227~~ ofd: update lvb before dropping server lock .

Looking at the recent failure at https://testing.whamcloud.com/test_sets/cd04c059-55e9-475b-88de-2cbef096f515, the failure looks like

== sanityn test 16e: Verify size consistency for O_DIRECT write ====================================== 06:13:21 (1608790401)
10+0 records in
10+0 records out
10485760 bytes (10 MB, 10 MiB) copied, 0.480989 s, 21.8 MB/s
1+0 records in
1+0 records out
1048576 bytes (1.0 MB, 1.0 MiB) copied, 0.284995 s, 3.7 MB/s
 sanityn test_16e: @@@@@@ FAIL: expected filesize 22020096 got 10485760 
  Trace dump:
  = /usr/lib64/lustre/tests/test-framework.sh:6273:error()
  = /usr/lib64/lustre/tests/sanityn.sh:522:test_16e()

We need to check the server version of the MDS for this test and, if the Lustre version is < 2.13.53, then skip the test.

Logs for more of these failures are at
https://testing.whamcloud.com/test_sets/edf16575-3528-478c-8bd8-b186a058dffd
https://testing.whamcloud.com/test_sets/018b763d-419b-48e4-a197-cd301c9563ac

Whamcloud Community JIRA

[LU-14314] interop: sanityn test 16e fails with 'expected filesize 22020096 got 10485760'