[LU-16788] sanity.sh should remove temporary big files to fit default OSTSIZE

• Type: Improvement
• Resolution: Fixed
• Priority: Minor
• Fix Version/s: Lustre 2.16.0
• Assignee: Alex Zhuravlev
• Reporter: Alex Zhuravlev

Description

number of subtests in sanity forget to cleanup own temporary files and at some point sanity begins to fail due to lack of free space. like in this example:

mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl22-user1 cl2-user1'
open(/mnt/lustre/d160t.sanity/u1_1582) error: No space left on device
total: 1582 open/close in 4.34 seconds: 364.71 ops/second
 sanity test_160t: @@@@@@ FAIL: createmany for user1 failed 
  Trace dump:
  = ./../tests/test-framework.sh:6579:error()
  = sanity.sh:17869:test_160t()
  = ./../tests/test-framework.sh:6919:run_one()
  = ./../tests/test-framework.sh:6968:run_one_logged()
  = ./../tests/test-framework.sh:6805:run_test()
  = sanity.sh:17926:main()
Dumping lctl log to /tmp/ltest-logs/sanity.test_160t.*.1682938235.log

some of files are:

20M	/mnt/lustre/d56wa.sanity
4.1M	/mnt/lustre/d56xd.sanity
4.1M	/mnt/lustre/d56xe.sanity
4.1M	/mnt/lustre/d56xf.sanity
11M	/mnt/lustre/d56xj.sanity
2.0M	/mnt/lustre/f127a.sanity
2.0M	/mnt/lustre/f130b.sanity
1.0M	/mnt/lustre/f130c.sanity
33M	/mnt/lustre/f130e.sanity
3.6M	/mnt/lustre/f64e.sanity
1.6M	/mnt/lustre/f64f.sanity
10M	/mnt/lustre/f64h.sanity
72M	/mnt/lustre/f64i.sanity
4.0M	/mnt/lustre/f69.sanity.2