== sanity test 160w: lfs changelog --user --mask ========= 21:57:48 (1787623068)
mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl25-u1_160w cl29-u1_160w'
mdd.lustre-MDT0000.changelog_mask=+hsm
mdd.lustre-MDT0001.changelog_mask=+hsm
Registered 2 changelog users: 'cl25-u1_160w cl26-u2_160w cl29-u1_160w cl30-u2_160w'
current_index: 500097679
ID                            index (idle) mask
cl29-u1_160w              500097679 (8) mask=MARK,CREAT,UNLNK
cl30-u2_160w              500097679 (3) mask=MARK,MKDIR,RMDIR
lfs changelog --user (with different user formats)
lfs changelog --user (should show all registered records)
500097680 01CREAT 01:58:01.228080137 2026.08.25 0x0 t=[0x200002342:0x7f3f:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] f1
500097682 01CREAT 01:58:01.314818522 2026.08.25 0x0 t=[0x200002342:0x7f40:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] f2
500097686 06UNLNK 01:58:01.445156771 2026.08.25 0x1 t=[0x200002342:0x7f3f:0x0] j=rm.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] f1
lfs changelog --user --mask (with registered mask)
500097684 02MKDIR 01:58:01.397676752 2026.08.25 0x0 t=[0x200002342:0x7f41:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] d1
500097685 02MKDIR 01:58:01.416367735 2026.08.25 0x0 t=[0x200002342:0x7f42:0x0] j=mkdir.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] d2
500097687 07RMDIR 01:58:01.472520420 2026.08.25 0x1 t=[0x200002342:0x7f41:0x0] j=rmdir.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] d1
lfs changelog --user --mask (including unregistered mask)
500097680 01CREAT 01:58:01.228080137 2026.08.25 0x0 t=[0x200002342:0x7f3f:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] f1
500097682 01CREAT 01:58:01.314818522 2026.08.25 0x0 t=[0x200002342:0x7f40:0x0] j=touch.0 ef=0x13 u=0:0 nid=192.168.206.43@tcp p=[0x200002342:0x7f3e:0x0] f2
lustre-MDT0000: clear the changelog for cl29-u1_160w of all records
lustre-MDT0000: Deregistered changelog user #29
lustre-MDT0000: clear the changelog for cl30-u2_160w of all records
lustre-MDT0000: Deregistered changelog user #30
lustre-MDT0001: clear the changelog for cl25-u1_160w of all records
lustre-MDT0001: Deregistered changelog user #25
lustre-MDT0001: clear the changelog for cl26-u2_160w of all records
lustre-MDT0001: Deregistered changelog user #26
lustre-MDT0001: changelog user 'cl26-u2_160w' not found
lustre-MDT0000: changelog user 'cl30-u2_160w' not found
lustre-MDT0001: changelog user 'cl25-u1_160w' not found
lustre-MDT0000: changelog user 'cl29-u1_160w' not found