== sanity test 160e: changelog negative testing (should return errors) ========================================================== 08:54:02 (1789304042)
mdd.lustre-MDT0000.changelog_mask=+hsm
Registered 1 changelog users: 'cl4'
oleg220-server: error: changelog_deregister: Invalid argument: expect <ID> or cl<ID>[-name]
pdsh@oleg220-client: oleg220-server: ssh exited with exit code 4
deregister an existing changelog user
usage: changelog_deregister --device MDTNAME {ID|--user|-u USERNAME}
	[--help|-h]
run <command> after connecting to device <devno>
--device <devno> <command [args ...]>
oleg220-server: lustre-MDT0000: error deregistering changelog user 'cl77': No such file or directory
pdsh@oleg220-client: oleg220-server: ssh exited with exit code 2
lfs changelog_clear: cannot purge records for 'cl4': Invalid argument (22)
changelog_clear: record out of range: 1000000000
lustre-MDT0000: clear the changelog for cl4 of all records
lustre-MDT0000: deregistered changelog user 'cl4'