[Gluster-users] "Input/output error" on mkdir for PPC64 based client

Walter Deignan WDeignan at uline.com
Wed Sep 20 18:27:52 UTC 2017


I put the share into debug mode and then repeated the process from a ppc64 
client and an x86 client. Weirdly the client logs were almost identical.

Here's the ppc64 gluster client log of attempting to create a folder...

-------------

[2017-09-20 13:34:23.344321] D 
[rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (--> 
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn-0xfdf60)[0x3fff9ec56fe0] 
(--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked-0x26060)[0x3fff9ebd9e20] 
(--> /usr/lib64/libgfrpc.so.0(+0x1a614)[0x3fff9ebda614] (--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_submit-0x29300)[0x3fff9ebd69b0] (--> 
/usr/lib64/glusterfs/3.10.5/xlator/protocol/client.so(+0x182e0)[0x3fff939182e0] 
))))) 0-: 10.50.80.102:49152: ping timer event already removed
[2017-09-20 13:34:23.345149] D 
[rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (--> 
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn-0xfdf60)[0x3fff9ec56fe0] 
(--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked-0x26060)[0x3fff9ebd9e20] 
(--> /usr/lib64/libgfrpc.so.0(+0x1a614)[0x3fff9ebda614] (--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_submit-0x29300)[0x3fff9ebd69b0] (--> 
/usr/lib64/glusterfs/3.10.5/xlator/protocol/client.so(+0x182e0)[0x3fff939182e0] 
))))) 0-: 10.50.80.103:49152: ping timer event already removed
[2017-09-20 13:34:23.345977] D 
[rpc-clnt-ping.c:93:rpc_clnt_remove_ping_timer_locked] (--> 
/usr/lib64/libglusterfs.so.0(_gf_log_callingfn-0xfdf60)[0x3fff9ec56fe0] 
(--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_remove_ping_timer_locked-0x26060)[0x3fff9ebd9e20] 
(--> /usr/lib64/libgfrpc.so.0(+0x1a614)[0x3fff9ebda614] (--> 
/usr/lib64/libgfrpc.so.0(rpc_clnt_submit-0x29300)[0x3fff9ebd69b0] (--> 
/usr/lib64/glusterfs/3.10.5/xlator/protocol/client.so(+0x182e0)[0x3fff939182e0] 
))))) 0-: 10.50.80.104:49152: ping timer event already removed
[2017-09-20 13:34:23.346070] D [MSGID: 0] 
[dht-common.c:1002:dht_revalidate_cbk] 0-gv0-dht: revalidate lookup of / 
returned with op_ret 0 [Structure needs cleaning]
[2017-09-20 13:34:23.347612] D [MSGID: 0] [dht-common.c:2699:dht_lookup] 
0-gv0-dht: Calling fresh lookup for /tempdir3 on gv0-replicate-0
[2017-09-20 13:34:23.348013] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-1 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.348013] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-0 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.348083] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-2 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.348132] D [MSGID: 0] 
[afr-common.c:2264:afr_lookup_done] 0-stack-trace: stack-address: 
0x3fff88001080, gv0-replicate-0 returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.348166] D [MSGID: 0] 
[dht-common.c:2284:dht_lookup_cbk] 0-gv0-dht: fresh_lookup returned for 
/tempdir3 with op_ret -1 [No such file or directory]
[2017-09-20 13:34:23.348195] D [MSGID: 0] 
[dht-common.c:2297:dht_lookup_cbk] 0-gv0-dht: Entry /tempdir3 missing on 
subvol gv0-replicate-0
[2017-09-20 13:34:23.348220] D [MSGID: 0] 
[dht-common.c:2068:dht_lookup_everywhere] 0-gv0-dht: winding lookup call 
to 1 subvols
[2017-09-20 13:34:23.348551] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-1 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.348551] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-0 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.348613] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-2 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.348639] D [MSGID: 0] 
[afr-common.c:2264:afr_lookup_done] 0-stack-trace: stack-address: 
0x3fff88001080, gv0-replicate-0 returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.348665] D [MSGID: 0] 
[dht-common.c:1870:dht_lookup_everywhere_cbk] 0-gv0-dht: returned with 
op_ret -1 and op_errno 2 (/tempdir3) from subvol gv0-replicate-0
[2017-09-20 13:34:23.348697] D [MSGID: 0] 
[dht-common.c:1535:dht_lookup_everywhere_done] 0-gv0-dht: STATUS: 
hashed_subvol gv0-replicate-0 cached_subvol null
[2017-09-20 13:34:23.348740] D [MSGID: 0] 
[dht-common.c:1596:dht_lookup_everywhere_done] 0-gv0-dht: There was no 
cached file and  unlink on hashed is not skipped /tempdir3
[2017-09-20 13:34:23.348783] D [MSGID: 0] 
[dht-common.c:1599:dht_lookup_everywhere_done] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-dht returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.348817] D [MSGID: 0] 
[write-behind.c:2392:wb_lookup_cbk] 0-stack-trace: stack-address: 
0x3fff88001080, gv0-write-behind returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.348845] D [MSGID: 0] [io-cache.c:267:ioc_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff88001080, gv0-io-cache returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.348875] D [MSGID: 0] [quick-read.c:447:qr_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff88001080, gv0-quick-read returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.348906] D [MSGID: 0] [md-cache.c:1048:mdc_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff88001080, gv0-md-cache returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.348955] D [MSGID: 0] 
[io-stats.c:2186:io_stats_lookup_cbk] 0-stack-trace: stack-address: 
0x3fff88001080, gv0 returned -1 error: No such file or directory [No such 
file or directory]
[2017-09-20 13:34:23.348994] D [fuse-resolve.c:61:fuse_resolve_entry_cbk] 
0-fuse: 00000000-0000-0000-0000-000000000001/tempdir3: failed to resolve 
(No such file or directory)
[2017-09-20 13:34:23.349589] D [MSGID: 0] [dht-common.c:2699:dht_lookup] 
0-gv0-dht: Calling fresh lookup for /tempdir3 on gv0-replicate-0
[2017-09-20 13:34:23.349917] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-client-1 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.349961] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-client-2 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.350055] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-client-0 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.350076] D [MSGID: 0] 
[afr-common.c:2264:afr_lookup_done] 0-stack-trace: stack-address: 
0x3fff8c063900, gv0-replicate-0 returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.350099] D [MSGID: 0] 
[dht-common.c:2284:dht_lookup_cbk] 0-gv0-dht: fresh_lookup returned for 
/tempdir3 with op_ret -1 [No such file or directory]
[2017-09-20 13:34:23.350124] D [MSGID: 0] 
[dht-common.c:2297:dht_lookup_cbk] 0-gv0-dht: Entry /tempdir3 missing on 
subvol gv0-replicate-0
[2017-09-20 13:34:23.350146] D [MSGID: 0] 
[dht-common.c:2068:dht_lookup_everywhere] 0-gv0-dht: winding lookup call 
to 1 subvols
[2017-09-20 13:34:23.350473] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-client-1 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.350473] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-client-0 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.350528] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-client-2 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.350553] D [MSGID: 0] 
[afr-common.c:2264:afr_lookup_done] 0-stack-trace: stack-address: 
0x3fff8c063900, gv0-replicate-0 returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.350583] D [MSGID: 0] 
[dht-common.c:1870:dht_lookup_everywhere_cbk] 0-gv0-dht: returned with 
op_ret -1 and op_errno 2 (/tempdir3) from subvol gv0-replicate-0
[2017-09-20 13:34:23.350610] D [MSGID: 0] 
[dht-common.c:1535:dht_lookup_everywhere_done] 0-gv0-dht: STATUS: 
hashed_subvol gv0-replicate-0 cached_subvol null
[2017-09-20 13:34:23.350635] D [MSGID: 0] 
[dht-common.c:1596:dht_lookup_everywhere_done] 0-gv0-dht: There was no 
cached file and  unlink on hashed is not skipped /tempdir3
[2017-09-20 13:34:23.350660] D [MSGID: 0] 
[dht-common.c:1599:dht_lookup_everywhere_done] 0-stack-trace: 
stack-address: 0x3fff8c063900, gv0-dht returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.350693] D [MSGID: 0] 
[write-behind.c:2392:wb_lookup_cbk] 0-stack-trace: stack-address: 
0x3fff8c063900, gv0-write-behind returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.350724] D [MSGID: 0] [io-cache.c:267:ioc_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff8c063900, gv0-io-cache returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.350756] D [MSGID: 0] [quick-read.c:447:qr_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff8c063900, gv0-quick-read returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.350790] D [MSGID: 0] [md-cache.c:1048:mdc_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff8c063900, gv0-md-cache returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.350818] D [MSGID: 0] 
[io-stats.c:2186:io_stats_lookup_cbk] 0-stack-trace: stack-address: 
0x3fff8c063900, gv0 returned -1 error: No such file or directory [No such 
file or directory]
[2017-09-20 13:34:23.351228] D [MSGID: 0] [dht-common.c:2699:dht_lookup] 
0-gv0-dht: Calling fresh lookup for /tempdir3 on gv0-replicate-0
[2017-09-20 13:34:23.351573] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-1 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.351573] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-0 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.351637] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-2 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.351664] D [MSGID: 0] 
[afr-common.c:2264:afr_lookup_done] 0-stack-trace: stack-address: 
0x3fff88001080, gv0-replicate-0 returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.351688] D [MSGID: 0] 
[dht-common.c:2284:dht_lookup_cbk] 0-gv0-dht: fresh_lookup returned for 
/tempdir3 with op_ret -1 [No such file or directory]
[2017-09-20 13:34:23.351715] D [MSGID: 0] 
[dht-common.c:2297:dht_lookup_cbk] 0-gv0-dht: Entry /tempdir3 missing on 
subvol gv0-replicate-0
[2017-09-20 13:34:23.351738] D [MSGID: 0] 
[dht-common.c:2068:dht_lookup_everywhere] 0-gv0-dht: winding lookup call 
to 1 subvols
[2017-09-20 13:34:23.352069] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-0 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.352074] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-1 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.352120] D [MSGID: 0] 
[client-rpc-fops.c:2936:client3_3_lookup_cbk] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-client-2 returned -1 error: No such 
file or directory [No such file or directory]
[2017-09-20 13:34:23.352145] D [MSGID: 0] 
[afr-common.c:2264:afr_lookup_done] 0-stack-trace: stack-address: 
0x3fff88001080, gv0-replicate-0 returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.352169] D [MSGID: 0] 
[dht-common.c:1870:dht_lookup_everywhere_cbk] 0-gv0-dht: returned with 
op_ret -1 and op_errno 2 (/tempdir3) from subvol gv0-replicate-0
[2017-09-20 13:34:23.352192] D [MSGID: 0] 
[dht-common.c:1535:dht_lookup_everywhere_done] 0-gv0-dht: STATUS: 
hashed_subvol gv0-replicate-0 cached_subvol null
[2017-09-20 13:34:23.352212] D [MSGID: 0] 
[dht-common.c:1596:dht_lookup_everywhere_done] 0-gv0-dht: There was no 
cached file and  unlink on hashed is not skipped /tempdir3
[2017-09-20 13:34:23.352231] D [MSGID: 0] 
[dht-common.c:1599:dht_lookup_everywhere_done] 0-stack-trace: 
stack-address: 0x3fff88001080, gv0-dht returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.352264] D [MSGID: 0] 
[write-behind.c:2392:wb_lookup_cbk] 0-stack-trace: stack-address: 
0x3fff88001080, gv0-write-behind returned -1 error: No such file or 
directory [No such file or directory]
[2017-09-20 13:34:23.352296] D [MSGID: 0] [io-cache.c:267:ioc_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff88001080, gv0-io-cache returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.352326] D [MSGID: 0] [quick-read.c:447:qr_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff88001080, gv0-quick-read returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.352361] D [MSGID: 0] [md-cache.c:1048:mdc_lookup_cbk] 
0-stack-trace: stack-address: 0x3fff88001080, gv0-md-cache returned -1 
error: No such file or directory [No such file or directory]
[2017-09-20 13:34:23.352392] D [MSGID: 0] 
[io-stats.c:2186:io_stats_lookup_cbk] 0-stack-trace: stack-address: 
0x3fff88001080, gv0 returned -1 error: No such file or directory [No such 
file or directory]
[2017-09-20 13:34:23.352424] D [fuse-resolve.c:61:fuse_resolve_entry_cbk] 
0-fuse: 00000000-0000-0000-0000-000000000001/tempdir3: failed to resolve 
(No such file or directory)
[2017-09-20 13:34:23.352749] D [MSGID: 0] 
[dht-diskusage.c:96:dht_du_info_cbk] 0-gv0-dht: subvolume 
'gv0-replicate-0': avail_percent is: 99.00 and avail_space is: 21425758208 
and avail_inodes is: 99.00
[2017-09-20 13:34:23.353086] D [MSGID: 0] 
[afr-transaction.c:1934:afr_post_nonblocking_entrylk_cbk] 
0-gv0-replicate-0: Non blocking entrylks done. Proceeding to FOP
[2017-09-20 13:34:23.353722] D [MSGID: 0] 
[dht-selfheal.c:1879:dht_selfheal_layout_new_directory] 0-gv0-dht: chunk 
size = 0xffffffff / 20466 = 209858.658018
[2017-09-20 13:34:23.353748] D [MSGID: 0] 
[dht-selfheal.c:1920:dht_selfheal_layout_new_directory] 0-gv0-dht: 
assigning range size 0xffffffff to gv0-replicate-0
[2017-09-20 13:34:23.353897] D [MSGID: 0] 
[afr-lk-common.c:448:transaction_lk_op] 0-gv0-replicate-0: lk op is for a 
transaction
[2017-09-20 13:34:23.354052] D [MSGID: 0] 
[afr-transaction.c:1883:afr_post_nonblocking_inodelk_cbk] 
0-gv0-replicate-0: Non blocking inodelks done. Proceeding to FOP
[2017-09-20 13:34:23.354453] D [MSGID: 0] 
[afr-lk-common.c:448:transaction_lk_op] 0-gv0-replicate-0: lk op is for a 
transaction
[2017-09-20 13:34:23.354969] D [MSGID: 109036] 
[dht-common.c:9527:dht_log_new_layout_for_dir_selfheal] 0-gv0-dht: Setting 
layout of /tempdir3 with [Subvol_name: gv0-replicate-0, Err: -1 , Start: 0 
, Stop: 4294967295 , Hash: 1 ],
[2017-09-20 13:34:23.355226] D [MSGID: 0] 
[afr-transaction.c:1883:afr_post_nonblocking_inodelk_cbk] 
0-gv0-replicate-0: Non blocking inodelks done. Proceeding to FOP
[2017-09-20 13:34:23.355714] D [MSGID: 0] 
[afr-lk-common.c:448:transaction_lk_op] 0-gv0-replicate-0: lk op is for a 
transaction

-Walter Deignan
-Uline IT, Systems Architect



From:   Amar Tumballi <atumball at redhat.com>
To:     Walter Deignan <WDeignan at uline.com>
Cc:     "gluster-users at gluster.org List" <gluster-users at gluster.org>
Date:   09/20/2017 01:23 PM
Subject:        Re: [Gluster-users] "Input/output error" on mkdir for 
PPC64 based client



Looks like it is an issue with architecture compatibility in RPC layer 
(ie, with XDRs and how it is used). Just glance the logs of the client 
process where you saw the errors, which could give some hints. If you 
don't understand the logs, share them, so we will try to look into it.

-Amar

On Wed, Sep 20, 2017 at 2:40 AM, Walter Deignan <WDeignan at uline.com> 
wrote:
I recently compiled the 3.10-5 client from source on a few PPC64 systems 
running RHEL 7.3. They are mounting a Gluster volume which is hosted on 
more traditional x86 servers. 

Everything seems to be working properly except for creating new 
directories from the PPC64 clients. The mkdir command gives a 
"Input/output error" and for the first few minutes the new directory is 
inaccessible. I checked the backend bricks and confirmed the directory was 
created properly on all of them. After waiting for 2-5 minutes the 
directory magically becomes accessible. 

This inaccessible directory issue only appears from the client which 
created it. When creating the directory from client #1 I can immediately 
see it with no errors from client #2. 

Using a pre-compiled 3.10-5 package on an x86 client doesn't show the 
issue. 

I poked around bugzilla but couldn't seem to find anything which matches 
this. 

[root at mqdev1 hafsdev1_gv0]# ls -lh 
total 8.0K 
drwxrwxr-x. 4 mqm  mqm  4.0K Sep 19 15:47 data 
drwxr-xr-x. 2 root root 4.0K Sep 19 15:47 testdir 
[root at mqdev1 hafsdev1_gv0]# mkdir testdir2 
mkdir: cannot create directory ?testdir2?: Input/output error 
[root at mqdev1 hafsdev1_gv0]# ls 
ls: cannot access testdir2: No such file or directory 
data  testdir  testdir2 
[root at mqdev1 hafsdev1_gv0]# ls -lht 
ls: cannot access testdir2: No such file or directory 
total 8.0K 
drwxr-xr-x. 2 root root 4.0K Sep 19 15:47 testdir 
drwxrwxr-x. 4 mqm  mqm  4.0K Sep 19 15:47 data 
d?????????? ? ?    ?       ?            ? testdir2 
[root at mqdev1 hafsdev1_gv0]# cd testdir2 
-bash: cd: testdir2: No such file or directory 

*Wait a few minutes...* 

[root at mqdev1 hafsdev1_gv0]# ls -lht 
total 12K 
drwxr-xr-x. 2 root root 4.0K Sep 19 15:50 testdir2 
drwxr-xr-x. 2 root root 4.0K Sep 19 15:47 testdir 
drwxrwxr-x. 4 mqm  mqm  4.0K Sep 19 15:47 data 
[root at mqdev1 hafsdev1_gv0]# 

My volume config... 

[root at dc-hafsdev1a bricks]# gluster volume info 

Volume Name: gv0 
Type: Replicate 
Volume ID: a2d37705-05cb-4700-8ed8-2cb89376faf0 
Status: Started 
Snapshot Count: 0 
Number of Bricks: 1 x 3 = 3 
Transport-type: tcp 
Bricks: 
Brick1: dc-hafsdev1a.ulinedm.com:/gluster/bricks/brick1/data 
Brick2: dc-hafsdev1b.ulinedm.com:/gluster/bricks/brick1/data 
Brick3: dc-hafsdev1c.ulinedm.com:/gluster/bricks/brick1/data 
Options Reconfigured: 
nfs.disable: on 
transport.address-family: inet 
network.ping-timeout: 2 
features.bitrot: on 
features.scrub: Active 
cluster.server-quorum-ratio: 51% 

-Walter Deignan
-Uline IT, Systems Architect
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-- 
Amar Tumballi (amarts)

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