Details
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Bug
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Resolution: Fixed
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Minor
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Lustre 2.10.0
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None
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3
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9223372036854775807
Description
build: b2_10 #2 tag-RC1
When testing the ZFS Snapshot with Subdir Mount, I found that the lctl snapshot_* command only works with ssh, with rsh, it returns error. I have tried with both snapshot_create and list, both return the same error.
with ssh:
[root@onyx-69 ~]# lctl snapshot_list -d -F lustre --name test-snap Password: filesystem_name: lustre snapshot_name: test-snap snapshot_role: MDT0000 Password: modify_time: Fri Jul 7 21:26:41 2017 create_time: Fri Jul 7 21:26:41 2017 snapshot_fsname: 55284e9 Password: status: not mount snapshot_role: OST0000 modify_time: Fri Jul 7 21:26:41 2017 create_time: Fri Jul 7 21:26:41 2017 snapshot_fsname: 55284e9 status: not mount
try with same environment but with rsh option
[root@onyx-69 ~]# lctl snapshot_list -d -F lustre --name test-snap -r rsh bash: zfs: command not found Can't list the snapshot test-snap [root@onyx-69 ~]#
The rsh did work between nodes.
[root@onyx-69 ~]# rsh onyx-70 Last login: Fri Jul 7 21:26:07 from onyx-69.onyx.hpdd.intel.com [root@onyx-70 ~]#
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Activity
Oleg Drokin (oleg.drokin@intel.com) merged in patch https://review.whamcloud.com/27999/
Subject: LU-9751 snapshot: set PATH for remote zfs commands
Project: fs/lustre-release
Branch: master
Current Patch Set:
Commit: 13fa5f46bff31d6836409383733f817989cca59d
Here is the problem of patch #7
1. with rsh, snapshot_create return error message but it did create the snapshot;
2. snapshot_list/destroy with rsh still don't work
[root@onyx-69 ~]# lctl snapshot_destroy -F lustre -n test [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test cannot open 'lustre-mdt1/mdt1@test': dataset does not exist Can't list the snapshot test [root@onyx-69 ~]# lctl snapshot_create -F lustre -n test -r rsh bash: zfs: command not found bash: zfs: command not found [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test filesystem_name: lustre snapshot_name: test snapshot_fsname: 0cb2593 modify_time: Thu Jul 20 22:14:52 2017 create_time: Thu Jul 20 22:14:52 2017 status: not mount [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test -r rsh bash: zfs: command not found Can't list the snapshot test [root@onyx-69 ~]# lctl snapshot_destroy -F lustre -n test -r rsh bash: zfs: command not found Can't destroy the snapshot test [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test -r ssh filesystem_name: lustre snapshot_name: test snapshot_fsname: 0cb2593 modify_time: Thu Jul 20 22:14:52 2017 create_time: Thu Jul 20 22:14:52 2017 status: not mount [root@onyx-69 ~]# lctl snapshot_destroy -F lustre -n test -r ssh [root@onyx-69 ~]#
can the PATH set to include both? I got following error..
[root@onyx-69 ~]# lctl snapshot_create -F lustre -n test -r rsh sh: rsh: command not found sh: rsh: command not found Can't create the snapshot test [root@onyx-69 ~]# lctl snapshot_create -F lustre -n test -r ssh [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test -r ssh filesystem_name: lustre snapshot_name: test snapshot_fsname: 5aa1a00 modify_time: Wed Jul 19 23:05:29 2017 create_time: Wed Jul 19 23:05:29 2017 status: not mount [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test -r rsh sh: rsh: command not found Can't list the snapshot test [root@onyx-69 ~]#
Sorry, the "PATH" should be set for "zfs/zpool", not for "rsh/ssh". I updated the patch (set 6).
the rsh still doesn't work, the same error as before
[root@onyx-69 ~]# lctl snapshot_create -F lustre -n test -r ssh [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test -r rsh bash: zfs: command not found Can't list the snapshot test [root@onyx-69 ~]# lctl snapshot_list -F lustre -n test filesystem_name: lustre snapshot_name: test modify_time: Tue Jul 18 17:38:29 2017 snapshot_fsname: 19d3a51 create_time: Tue Jul 18 17:38:29 2017 status: not mount
The patch has been landed to master.