[Gluster-users] Stale file handle

Pat Haley phaley at mit.edu
Thu Mar 12 18:06:14 UTC 2020


Hi

Yesterday we seemed to clear an issue with erroneous "No space left on 
device" messages 
(https://lists.gluster.org/pipermail/gluster-users/2020-March/037848.html) 
I am now seeing "Stale file handle" messages coming from directories 
I've just created.

We are running gluster 3.7.11 in a distributed volume across 2 servers 
(2 bricks each). For the "Stale file handle" for a newly created 
directory, I've noticed that the directory does not appear in brick1 (it 
is in the other 3 bricks).

In the cli.log on the server with brick1 I'm seeing messages like

--------------------------------------------------------
[2020-03-12 17:21:36.596908] I [cli.c:721:main] 0-cli: Started running 
gluster with version 3.7.11
[2020-03-12 17:21:36.604587] I 
[cli-cmd-volume.c:1795:cli_check_gsync_present] 0-: geo-replication not 
installed
[2020-03-12 17:21:36.605100] I [MSGID: 101190] 
[event-epoll.c:632:event_dispatch_epoll_worker] 0-epoll: Started thread 
with index 1
[2020-03-12 17:21:36.605155] I [socket.c:2356:socket_event_handler] 
0-transport: disconnecting now
[2020-03-12 17:21:36.617433] I [input.c:36:cli_batch] 0-: Exiting with: 0
--------------------------------------------------------

I'm not sure why I would be getting any geo-replication messages, we 
aren't using replication. The cli.log on the other server is showing

--------------------------------------------------------
[2020-03-12 17:27:08.172573] I [cli.c:721:main] 0-cli: Started running 
gluster with version 3.7.11
[2020-03-12 17:27:08.302564] I [MSGID: 101190] 
[event-epoll.c:632:event_dispatch_epoll_worker] 0-epoll: Started thread 
with index 1
[2020-03-12 17:27:08.302716] I [socket.c:2356:socket_event_handler] 
0-transport: disconnecting now
[2020-03-12 17:27:08.304557] I [input.c:36:cli_batch] 0-: Exiting with: 0
--------------------------------------------------------


On the server with brick1, the etc-glusterfs-glusterd.vol.log is showing

--------------------------------------------------------
[2020-03-12 17:21:25.925394] I [MSGID: 106499] 
[glusterd-handler.c:4331:__glusterd_handle_status_volume] 0-management: 
Received status volume req for volume data-volume
[2020-03-12 17:21:25.946240] W [MSGID: 106217] 
[glusterd-op-sm.c:4630:glusterd_op_modify_op_ctx] 0-management: Failed 
uuid to hostname conversion
[2020-03-12 17:21:25.946282] W [MSGID: 106387] 
[glusterd-op-sm.c:4734:glusterd_op_modify_op_ctx] 0-management: op_ctx 
modification failed
[2020-03-12 17:21:36.617090] I [MSGID: 106487] 
[glusterd-handler.c:1472:__glusterd_handle_cli_list_friends] 0-glusterd: 
Received cli list req
[2020-03-12 17:21:15.577829] I [MSGID: 106488] 
[glusterd-handler.c:1533:__glusterd_handle_cli_get_volume] 0-glusterd: 
Received get vol req
--------------------------------------------------------

On the other server I'm seeing similar messages

--------------------------------------------------------
[2020-03-12 17:26:57.024168] I [MSGID: 106499] 
[glusterd-handler.c:4331:__glusterd_handle_status_volume] 0-management: 
Received status volume req for volume data-volume
[2020-03-12 17:26:57.037269] W [MSGID: 106217] 
[glusterd-op-sm.c:4630:glusterd_op_modify_op_ctx] 0-management: Failed 
uuid to hostname conversion
[2020-03-12 17:26:57.037299] W [MSGID: 106387] 
[glusterd-op-sm.c:4734:glusterd_op_modify_op_ctx] 0-management: op_ctx 
modification failed
[2020-03-12 17:26:42.025200] I [MSGID: 106488] 
[glusterd-handler.c:1533:__glusterd_handle_cli_get_volume] 0-glusterd: 
Received get vol req
[2020-03-12 17:27:08.304267] I [MSGID: 106487] 
[glusterd-handler.c:1472:__glusterd_handle_cli_list_friends] 0-glusterd: 
Received cli list req
--------------------------------------------------------

And I've just noticed that I'm again seeing "No space left on device" in 
the logs of brick1 (although there is 3.5 TB free)

--------------------------------------------------------
[2020-03-12 17:19:54.576597] E [MSGID: 113027] 
[posix.c:1427:posix_mkdir] 0-data-volume-posix: mkdir of 
/mnt/brick1/projects/deep_sea_mining/Tide/2020/Mar06/ccfzR75deg_001 
failed [No space left on device]
[2020-03-12 17:19:54.576681] E [MSGID: 115056] 
[server-rpc-fops.c:512:server_mkdir_cbk] 0-data-volume-server: 5001698: 
MKDIR /projects/deep_sea_mining/Tide/2020/Mar06/ccfzR75deg_001 
(96e0b7e4-6b43-42ef-9896-86097b4208fe/ccfzR75deg_001) ==> (No space left 
on device) [No space left on device]
--------------------------------------------------------

Any thoughts would be greatly appreciated.  (Some additional information 
below)

Thanks

Pat

--------------------------------------------------------
server 1:
[root at mseas-data2 ~]# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdb        164T  161T  3.5T  98% /mnt/brick2
/dev/sda        164T  159T  5.4T  97% /mnt/brick1

[root at mseas-data2 ~]# df -i
Filesystem         Inodes    IUsed      IFree IUse% Mounted on
/dev/sdb       7031960320 31213790 7000746530    1% /mnt/brick2
/dev/sda       7031960320 28707456 7003252864    1% /mnt/brick1
--------------------------------------------------------

--------------------------------------------------------
server 2:
[root at mseas-data3 ~]# df -h
Filesystem            Size  Used Avail Use% Mounted on
/dev/sda               91T   88T  3.9T  96% /export/sda/brick3
/dev/mapper/vg_Data4-lv_Data4
                        91T   89T  2.6T  98% /export/sdc/brick4

[root at mseas-data3 glusterfs]# df -i
Filesystem               Inodes    IUsed      IFree IUse% Mounted on
/dev/sda             1953182464 10039172 1943143292    1% /export/sda/brick3
/dev/mapper/vg_Data4-lv_Data4
                      3906272768 11917222 3894355546    1% 
/export/sdc/brick4
--------------------------------------------------------

--------------------------------------------------------
[root at mseas-data2 ~]# gluster volume info
--------------------------------------------------------
Volume Name: data-volume
Type: Distribute
Volume ID: c162161e-2a2d-4dac-b015-f31fd89ceb18
Status: Started
Number of Bricks: 4
Transport-type: tcp
Bricks:
Brick1: mseas-data2:/mnt/brick1
Brick2: mseas-data2:/mnt/brick2
Brick3: mseas-data3:/export/sda/brick3
Brick4: mseas-data3:/export/sdc/brick4
Options Reconfigured:
cluster.min-free-disk: 1%
nfs.export-volumes: off
nfs.disable: on
performance.readdir-ahead: on
diagnostics.brick-sys-log-level: WARNING
nfs.exports-auth-enable: on
server.allow-insecure: on
auth.allow: *
disperse.eager-lock: off
performance.open-behind: off
performance.md-cache-timeout: 60
network.inode-lru-limit: 50000
diagnostics.client-log-level: ERROR

--------------------------------------------------------
[root at mseas-data2 ~]# gluster volume status data-volume detail
--------------------------------------------------------
Status of volume: data-volume
------------------------------------------------------------------------------
Brick                : Brick mseas-data2:/mnt/brick1
TCP Port             : 49154
RDMA Port            : 0
Online               : Y
Pid                  : 4601
File System          : xfs
Device               : /dev/sda
Mount Options        : rw
Inode Size           : 256
Disk Space Free      : 5.4TB
Total Disk Space     : 163.7TB
Inode Count          : 7031960320
Free Inodes          : 7003252864
------------------------------------------------------------------------------
Brick                : Brick mseas-data2:/mnt/brick2
TCP Port             : 49155
RDMA Port            : 0
Online               : Y
Pid                  : 7949
File System          : xfs
Device               : /dev/sdb
Mount Options        : rw
Inode Size           : 256
Disk Space Free      : 3.4TB
Total Disk Space     : 163.7TB
Inode Count          : 7031960320
Free Inodes          : 7000746530
------------------------------------------------------------------------------
Brick                : Brick mseas-data3:/export/sda/brick3
TCP Port             : 49153
RDMA Port            : 0
Online               : Y
Pid                  : 4650
File System          : xfs
Device               : /dev/sda
Mount Options        : rw
Inode Size           : 512
Disk Space Free      : 3.9TB
Total Disk Space     : 91.0TB
Inode Count          : 1953182464
Free Inodes          : 1943143292
------------------------------------------------------------------------------
Brick                : Brick mseas-data3:/export/sdc/brick4
TCP Port             : 49154
RDMA Port            : 0
Online               : Y
Pid                  : 23772
File System          : xfs
Device               : /dev/mapper/vg_Data4-lv_Data4
Mount Options        : rw
Inode Size           : 256
Disk Space Free      : 2.6TB
Total Disk Space     : 90.9TB
Inode Count          : 3906272768
Free Inodes          : 3894355546

-- 

-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
Pat Haley                          Email:  phaley at mit.edu
Center for Ocean Engineering       Phone:  (617) 253-6824
Dept. of Mechanical Engineering    Fax:    (617) 253-8125
MIT, Room 5-213                    http://web.mit.edu/phaley/www/
77 Massachusetts Avenue
Cambridge, MA  02139-4301



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