Re: invisible files in some directory

Nithya Balachandran <nbalacha@xxxxxxxxxx> · Fri, 18 Jan 2019 14:44:25 +0530

On Fri, 18 Jan 2019 at 14:25, Mauro Tridici <mauro.tridici@xxxxxxx> wrote:
Dear Users,
I’m facing with a new problem on our gluster volume (v. 3.12.14).
Sometime it happen that “ls” command execution, in a specified directory, return empty output.
“ls” command output is empty, but I know that the involved directory contains some files and subdirectories.
In fact, if I try to execute “ls” command against a specified file (in the same folder) I can see that the file is there.

In a few words:

“ls" command output executed in a particular folder is empty;
"ls filename” command output executed in the same folder is ok.

There is something I can do in order to identify the cause of this issue?

Yes, please take a tcpdump of the client when running the ls on the problematic directory and send it across.

tcpdump -i any -s 0 -w /var/tmp/dirls.pcap tcp and not port 22

We have seen such issues when the gfid handle for the directory is missing on the bricks.
Regards,
Nithya

You can find below some information about the volume.
Thank you in advance,
Mauro Tridici

[root@s01 ~]# gluster volume info

Volume Name: tier2
Type: Distributed-Disperse
Volume ID: a28d88c5-3295-4e35-98d4-210b3af9358c
Status: Started
Snapshot Count: 0
Number of Bricks: 12 x (4 + 2) = 72
Transport-type: tcp
Bricks:
Brick1: s01-stg:/gluster/mnt1/brick
Brick2: s02-stg:/gluster/mnt1/brick
Brick3: s03-stg:/gluster/mnt1/brick
Brick4: s01-stg:/gluster/mnt2/brick
Brick5: s02-stg:/gluster/mnt2/brick
Brick6: s03-stg:/gluster/mnt2/brick
Brick7: s01-stg:/gluster/mnt3/brick
Brick8: s02-stg:/gluster/mnt3/brick
Brick9: s03-stg:/gluster/mnt3/brick
Brick10: s01-stg:/gluster/mnt4/brick
Brick11: s02-stg:/gluster/mnt4/brick
Brick12: s03-stg:/gluster/mnt4/brick
Brick13: s01-stg:/gluster/mnt5/brick
Brick14: s02-stg:/gluster/mnt5/brick
Brick15: s03-stg:/gluster/mnt5/brick
Brick16: s01-stg:/gluster/mnt6/brick
Brick17: s02-stg:/gluster/mnt6/brick
Brick18: s03-stg:/gluster/mnt6/brick
Brick19: s01-stg:/gluster/mnt7/brick
Brick20: s02-stg:/gluster/mnt7/brick
Brick21: s03-stg:/gluster/mnt7/brick
Brick22: s01-stg:/gluster/mnt8/brick
Brick23: s02-stg:/gluster/mnt8/brick
Brick24: s03-stg:/gluster/mnt8/brick
Brick25: s01-stg:/gluster/mnt9/brick
Brick26: s02-stg:/gluster/mnt9/brick
Brick27: s03-stg:/gluster/mnt9/brick
Brick28: s01-stg:/gluster/mnt10/brick
Brick29: s02-stg:/gluster/mnt10/brick
Brick30: s03-stg:/gluster/mnt10/brick
Brick31: s01-stg:/gluster/mnt11/brick
Brick32: s02-stg:/gluster/mnt11/brick
Brick33: s03-stg:/gluster/mnt11/brick
Brick34: s01-stg:/gluster/mnt12/brick
Brick35: s02-stg:/gluster/mnt12/brick
Brick36: s03-stg:/gluster/mnt12/brick
Brick37: s04-stg:/gluster/mnt1/brick
Brick38: s05-stg:/gluster/mnt1/brick
Brick39: s06-stg:/gluster/mnt1/brick
Brick40: s04-stg:/gluster/mnt2/brick
Brick41: s05-stg:/gluster/mnt2/brick
Brick42: s06-stg:/gluster/mnt2/brick
Brick43: s04-stg:/gluster/mnt3/brick
Brick44: s05-stg:/gluster/mnt3/brick
Brick45: s06-stg:/gluster/mnt3/brick
Brick46: s04-stg:/gluster/mnt4/brick
Brick47: s05-stg:/gluster/mnt4/brick
Brick48: s06-stg:/gluster/mnt4/brick
Brick49: s04-stg:/gluster/mnt5/brick
Brick50: s05-stg:/gluster/mnt5/brick
Brick51: s06-stg:/gluster/mnt5/brick
Brick52: s04-stg:/gluster/mnt6/brick
Brick53: s05-stg:/gluster/mnt6/brick
Brick54: s06-stg:/gluster/mnt6/brick
Brick55: s04-stg:/gluster/mnt7/brick
Brick56: s05-stg:/gluster/mnt7/brick
Brick57: s06-stg:/gluster/mnt7/brick
Brick58: s04-stg:/gluster/mnt8/brick
Brick59: s05-stg:/gluster/mnt8/brick
Brick60: s06-stg:/gluster/mnt8/brick
Brick61: s04-stg:/gluster/mnt9/brick
Brick62: s05-stg:/gluster/mnt9/brick
Brick63: s06-stg:/gluster/mnt9/brick
Brick64: s04-stg:/gluster/mnt10/brick
Brick65: s05-stg:/gluster/mnt10/brick
Brick66: s06-stg:/gluster/mnt10/brick
Brick67: s04-stg:/gluster/mnt11/brick
Brick68: s05-stg:/gluster/mnt11/brick
Brick69: s06-stg:/gluster/mnt11/brick
Brick70: s04-stg:/gluster/mnt12/brick
Brick71: s05-stg:/gluster/mnt12/brick
Brick72: s06-stg:/gluster/mnt12/brick
Options Reconfigured:
disperse.eager-lock: off
diagnostics.count-fop-hits: on
diagnostics.latency-measurement: on
cluster.server-quorum-type: server
features.default-soft-limit: 90
features.quota-deem-statfs: on
performance.io-thread-count: 16
disperse.cpu-extensions: auto
performance.io-cache: off
network.inode-lru-limit: 50000
performance.md-cache-timeout: 600
performance.cache-invalidation: on
performance.stat-prefetch: on
features.cache-invalidation-timeout: 600
features.cache-invalidation: on
cluster.readdir-optimize: on
performance.parallel-readdir: off
performance.readdir-ahead: on
cluster.lookup-optimize: on
client.event-threads: 4
server.event-threads: 4
nfs.disable: on
transport.address-family: inet
cluster.quorum-type: none
cluster.min-free-disk: 10
performance.client-io-threads: on
features.quota: on
features.inode-quota: on
features.bitrot: on
features.scrub: Active
network.ping-timeout: 0
cluster.brick-multiplex: off
cluster.server-quorum-ratio: 51

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