[root@lu1-centos74 tests]# ./llmount.sh 
Stopping clients: lu1-centos74 /mnt/lustre (opts:)
Stopping clients: lu1-centos74 /mnt/lustre2 (opts:)
Loading modules from /usr/lib64/lustre/tests/..
detected 4 online CPUs by sysfs
Force libcfs to create 2 CPU partitions
../libcfs/libcfs/libcfs options: 'cpu_npartitions=2'
../lnet/lnet/lnet options: 'networks=tcp0(eth0) accept=all'
Formatting mgs, mds, osts
Format mds1: /tmp/lustre-mdt1
Format ost1: /tmp/lustre-ost1
Format ost2: /tmp/lustre-ost2
Checking servers environments
Checking clients lu1-centos74 environments
Loading modules from /usr/lib64/lustre/tests/..
detected 4 online CPUs by sysfs
Force libcfs to create 2 CPU partitions
Setup mgs, mdt, osts
Starting mds1:   -o loop /tmp/lustre-mdt1 /mnt/lustre-mds1
Commit the device label on /tmp/lustre-mdt1
Started lustre-MDT0000
Starting ost1:   -o loop /tmp/lustre-ost1 /mnt/lustre-ost1
Commit the device label on /tmp/lustre-ost1
Started lustre-OST0000
Starting ost2:   -o loop /tmp/lustre-ost2 /mnt/lustre-ost2
Commit the device label on /tmp/lustre-ost2
Started lustre-OST0001
Starting client: lu1-centos74:  -o user_xattr,flock lu1-centos74@tcp:/lustre /mnt/lustre
UUID                   1K-blocks        Used   Available Use% Mounted on
lustre-MDT0000_UUID        95392        1736       85000   2% /mnt/lustre[MDT:0]
lustre-OST0000_UUID       325368       13508      284700   5% /mnt/lustre[OST:0]
lustre-OST0001_UUID       325368       13508      284700   5% /mnt/lustre[OST:1]

filesystem_summary:       650736       27016      569400   5% /mnt/lustre

Using TIMEOUT=20
seting jobstats to procname_uid
Setting lustre.sys.jobid_var from disable to procname_uid
Waiting 90 secs for update
Updated after 9s: wanted 'procname_uid' got 'procname_uid'
disable quota as required
[root@lu1-centos74 tests]# /root/break_nodemap_rbtree.sh
[root@lu1-centos74 tests]# cat /proc/fs/lustre/nodemap/sherlock/idmap
[
 { idtype: gid, client_id: 3525, fs_id: 3741 } { idtype: gid, client_id: 99001, fs_id: 3159 } { idtype: gid, client_id: 10525, fs_id: 3351 } { idtype: gid, client_id: 270331, fs_id: 3690 }
]
[root@lu1-centos74 tests]# lctl nodemap_test_id --nid 192.168.123.41@tcp --idtype gid --id 3525
3741
[root@lu1-centos74 tests]# lctl nodemap_test_id --nid 192.168.123.41@tcp --idtype gid --id 99001
99
[root@lu1-centos74 tests]# lctl nodemap_test_id --nid 192.168.123.41@tcp --idtype gid --id 10525
3351
[root@lu1-centos74 tests]# lctl nodemap_test_id --nid 192.168.123.41@tcp --idtype gid --id 270331
3690
[root@lu1-centos74 tests]# lctl nodemap_del_idmap --name sherlock --idtype gid --idmap 99001:3159
error: invalid ioctl: 000ce047 errno: 22 with rc=-1
cannot delete gidmap '99001:3159' from nodemap 'sherlock': rc = -1