Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster, 2015-02-06

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All times shown according to UTC.

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00:04 Durzo is there any argument (other than pref) for not using ext4 in a brick?
00:04 Durzo s/pref/perf/
00:04 glusterbot What Durzo meant to say was: An error has occurred and has been logged. Please contact this bot's administrator for more information.
00:05 Durzo no glusterbot , thats not what i meant to say at all
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00:17 jdossey Durzo: haha
00:17 jdossey I think glusterbot has trouble with replacements (when there are parenthesses)
00:18 jdossey s/sses/ses/
00:18 glusterbot What jdossey meant to say was: An error has occurred and has been logged. Please contact this bot's administrator for more information.
00:18 * jdossey bows
00:19 jdossey Simple though, does it work?
00:19 jdossey s/it/glusterbot/
00:19 glusterbot What jdossey meant to say was: An error has occurred and has been logged. Please contact this bot's administrator for more information.
00:19 jdossey nope, sounds like glusterbot needs a nap
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00:25 Durzo heh
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01:45 Durzo bah
01:45 Durzo I replaced a faulty brick with replace-brick in a replica set, i issue a full heal and it heals nothing, clients see the new empty brick with no data
01:45 Durzo meanwhile the other brick is sitting there with all the data
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08:22 glusterbot News from newglusterbugs: [Bug 1190058] folder "trusted.ec.version" can't be healed after lookup <https://bugzilla.redhat.co​m/show_bug.cgi?id=1190058>
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08:47 foexle hi guys, I'm running in a strange issue and dont find anythink in the net. The self heal is stuck by one volume, exactly one file on the volume. gfid are the same, files looks good on all bricks. version: 3.4; replicated; two bricks
08:47 foexle this file is healed every 10 mins .... but can#t see any reason for that
08:47 foexle could give me anythink maybe a hint
08:50 Durzo is it split-brain?
08:50 Durzo on the bricks, compare md5sum and timestamp of the file
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08:51 telmich good morning
08:51 telmich I was wondering how glusterfs detects / repairs if one node crashes?
08:51 telmich like: how does it detect, which is the right node?
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09:02 foexle Durzo: all done ... all the same. there isn't a split brain or corrupted file :(
09:03 foexle Durzo: but over 3k healed entries for this one file (on both bricks)
09:03 Durzo something must be causing it to trigger
09:03 Durzo anything in logs
09:07 foexle Durzo: it seems there is missing some hard links in .glusterfs
09:07 Durzo SHD should fix those
09:07 foexle shd ?
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09:08 foexle but these links are missing on both bricks ....
09:10 foexle 0-openstack-server: 118071398: STAT (null) (327171f3-ce5e-449b-905c-bc182d0734cb) ==> (No such file or directory) (brick1) ################ getxattr failed on /data/openstack/.glusterfs/57/d0/57​d05df0-bcc2-4401-b2c6-2edd85b8c0b2: trusted.glusterfs.dht.linkto (No such file or directory
09:10 foexle last is on brick 2
09:10 foexle 0-openstack-server: 142047107: STAT (null) (57d05df0-bcc2-4401-b2c6-2edd85b8c0b2) ==> (No such file or directory)
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09:22 glusterbot News from newglusterbugs: [Bug 1190069] Entries in indices/xattrop directory not removed appropriately <https://bugzilla.redhat.co​m/show_bug.cgi?id=1190069>
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10:53 glusterbot News from newglusterbugs: [Bug 1190108] RFE: Quota for inode count <https://bugzilla.redhat.co​m/show_bug.cgi?id=1190108>
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11:24 NuxRo hi, what was that feature which turned a volume in "append only" mode?
11:25 NuxRo ie, write files to it but prohibit deletions
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11:31 NuxRo aha, WORM
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12:14 NuxRo hm, WORM feature doesn't work via NFS client?
12:16 ndevos NuxRo: no, I think that is a mount option for the fuse client - an improved server-side worm support would be nice
12:17 NuxRo oh :(
12:17 NuxRo client side makes it kind of useless
12:17 ndevos NuxRo: or, maybe not a mount-option, but an xlator inserted into the xlator stack on the client side (I dont remember the details)
12:17 ndevos well, yeah, it reduces the scope a lot
12:17 NuxRo customer wanted to make sure his backups from the gluster mount will not be deleted in the event of a server compromise
12:18 ndevos oh, yeah... but in that case, you need something on the filesystem layer as well, not only on the layer where the bricks handle the I/O
12:19 ndevos (filesystem: xfs)
12:19 NuxRo ndevos: not sure I understand
12:19 NuxRo so if the his server gets hacked and the attacked does a `rm -rf /`, the gluster mount point would be fine
12:20 ndevos NuxRo: if a storage server gets compromised, the filesystems used for bricks will be accessible directly
12:20 NuxRo ndevos: yes, but that is not our scenario here :)
12:20 NuxRo i assume my gluster servers are fine, only the customer dedicated server gets fscked
12:20 ndevos ah, yeah, if you mean "server == glusterfs client" than thats different
12:20 NuxRo yeah, sorry for the confusion
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15:59 fx991 Hello. I'm new to GlusterFS. I set up a test scenario with glusterfs 3.6.2 on top of CentOS 7 with a replicated Volume. Works fine. Now I want to simulate a server crash. So I talk one brick offline - removed it and added it as empty brick again. that works.... but.... The empty brick is populated with files after I execute gluster volume heal MYVOL full. And and until the heal is finished, all files are vanished at the client. That's not quite my interpret
15:59 fx991 ation of HA.
15:59 fx991 Do you have any help on how to recover a brick without interruption?
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16:15 jdossey fx991: yeah that isn't how it is supposed to work
16:15 jdossey fx991: have you tried unmounting and remounting the volume on the client?
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16:20 fx991 I can try to do that
16:21 fx991 Do you have any tip on how to accomplish a brick exchange in the way it works?
16:24 jdossey fx991: you're doing it the same way I've seen everyone else do it.  When you have a new brick, glusterfs is supposed to serve files from the old brick until they are healed
16:24 glusterbot News from newglusterbugs: [Bug 762766] rename() is not atomic <https://bugzilla.redhat.com/show_bug.cgi?id=762766>
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16:25 fx991 Ah you mean my setup is right, but glusterfs isn't working as it is expected to?
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16:28 jdossey fx991: It's likely something we haven't thought of yet!  The glusterfs logs may shed some insight into what's going wrong.  The reason I suggested you try unmounting/remounting is to be sure any client-side caches are cleared
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16:37 fx991 remounting has not caused any changes.
16:37 fx991 deleted data are not here, not healed automatically.
16:38 fx991 there are some messages indicating different software versions of client and server(I'll get the exact message)
16:41 fx991 log is here: http://pastebin.com/raw.php?i=h0b5Yr0Y
16:41 glusterbot Please use http://fpaste.org or http://paste.ubuntu.com/ . pb has too many ads. Say @paste in channel for info about paste utils.
16:42 fx991 or here http://fpaste.org/182492/
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16:54 jdossey fx991: yeah, nothing there to speak of
16:54 jdossey fx991: might be worth a post to the mailing list
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16:54 fx991 ok
16:55 fx991 thx so far
16:55 jdossey doing my best :)
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22:50 fubada hi purpleidea! did you guys get the module_data thing figured out?
22:51 purpleidea fubada: i think so yes: https://github.com/purpleidea/puppet-gluster/b​lob/master/DOCUMENTATION.md#puppet-master-give​s-warning-unable-to-load-yaml-data-directory
22:52 fubada ah ok
22:52 fubada yea i dont have that warning, but I remember it was an issue
22:52 fubada i had to do this..
22:52 fubada https://gist.github.com/aa​merik/610de127d29a67862323
22:52 purpleidea fubada: if you learn more on the subject, send a doc patch :)
22:53 fubada im using puppetserver, so thats what was needed
22:53 purpleidea fubada: oh interesting...
22:53 purpleidea fubada: send a patch to the FAQ or an addendum?
22:53 fubada sure ill send one in.
22:53 purpleidea awesome :)
22:53 purpleidea more commits == more points!
22:53 purpleidea right?!!?
22:54 fubada :)
22:54 fubada i actually dont like that I have it under ./environments/production
22:54 fubada sounds like module_data should sit outside of ./environments
22:54 fubada maybe in /etc/puppet/modules
22:55 fubada purpleidea: did you have a chance to figure out the vrrp file thing
22:56 fubada https://gist.github.com/aa​merik/b7a860480ea5b944c2fe this
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22:57 purpleidea fubada: unfortunately not. i'm hacking on some different stuff now that i'm presenting tomorrow. so hopefully soon :)
22:57 fubada cool :)
22:57 purpleidea stupid priorities, sorry
22:59 purpleidea gotta go finish. ttyl
22:59 fubada have a good one
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