Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster, 2016-02-26

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02:47 Topic for #gluster is now Gluster Community - http://gluster.org | Patches - http://review.gluster.org/ | Developers go to #gluster-dev | Channel Logs - https://botbot.me/freenode/gluster/ & http://irclog.perlgeek.de/gluster/
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03:14 glisignoli Hello, im trying the gluster quickstart guide. I've created 2 nodes and run 'gluster peer probe node 2' from node1, that works fine, but when I goto node 2, 'gluster pool list' says: 'UUID node1 disconnected' for its status
03:14 glisignoli any ideas?
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03:19 glisignoli Also getting a lot of: [socket.c:869:__socket_keepalive] 0-socket: failed to set TCP_USER_TIMEOUT -1000 on socket 8, Invalid argument
03:19 glisignoli On node2
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03:58 dnoland1 Hello.  We have a 3 server gluster setup which recently spiked to very high load on all three servers (sustained 70% load on 24 cores and 90Gigs of memory used).  We have also generated 23Gigs of repeating errors in glustershd.log, the last 100 lines of which can be found here: http://sprunge.us/IgIa
03:59 dnoland1 I would appreciate any insight into what could be causing this behavior
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04:31 overclk dnoland1: lots of "skipping conservative merge" messages in the logs.
04:31 overclk itisravi: ^^
04:33 dnoland1 overclk: I see those, but I don't understand what to do about them.  Are my quorum setting incorrect or somehow inconsistent?
04:33 itisravi E [MSGID: 108008] [afr-self-heal-entry.c:253:afr_selfheal_detect_gfid_and_type_mismatch] 0-home-replicate-6: Gfid mismatch detected for <74311db5-2c6e-4c52-93b9-36e697f474fe/sessionCheckpoints.json>, aa4e7b59-0874-4e8e-88cd-80a6760967ac on home-client-19 and a27d6b2c-b3a5-4203-a618-7dfca03df02a on home-client-18. Skipping conservative merge on the file.
04:33 itisravi [2016-02-26 03:52:27.801221] E [MSGID: 108008] [afr-self-heal-entry.c:253:afr_selfheal_detect_gfid_and_type_mismatch] 0-home-replicate-1: Gfid mismatch detected for <6e418556-562f-4abc-9643-5523e321519d/revocations.txt>, 68ae3ed5-db85-4464-849b-4bc394a506a3 on home-client-4 and fdb89c15-2aab-4e9f-a278-c28250e87aec on home-client-3. Skipping conservative merge on the file.
04:34 itisravi dnoland1: looks like there's a  file in split-brain
04:34 itisravi dnoland1: what version of gluster are you using?
04:34 dnoland1 itisravi: 3.7.8
04:35 itisravi dnoland1: okay, is it a replica-3 volume?
04:35 dnoland1 yes
04:35 overclk dnoland1: and what is the quorum setting for this volume?
04:36 dnoland1 cluster.quorum-type none, cluster.quorum-count (none)
04:37 dnoland1 *(null)
04:37 itisravi dnoland1: you would need to set the quorum-type to auto
04:38 itisravi that would help you prevent files from ending up in split-brain
04:39 dnoland1 itisravi: Ok.  I would run this $(sudo gluster volume set ${volname} cluster.quorum-type auto)
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04:39 itisravi correct
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04:39 dnoland1 itisravi: I will try that.  Thank you for your help.
04:40 itisravi dnoland1: but for the files already in split-brain, you would need to resolve them manually.
04:40 dnoland1 itisravi: Yes, it is going to be a long night.  I just need to stop the bleeding
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04:43 overclk itisravi: quick question? this resolution can be done via cli, correct?
04:43 itisravi overclk: only data/metadata split-brains..For gfid-split-brain, you would still need to delete one of the files and its .glusterfs hardlink from the backend
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04:45 overclk itisravi: thanks! I kind of thought that..
04:46 itisravi hmm
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08:48 ivan_rossi !
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09:00 kdhananjay Ulrar: Just gathered from the irc logs that you had a question on sharding on 24th of Feb. How do we know which file corresponds to which file? You get the gfid of the main file through the command 'getfattr -n glusterfs.gfid.string <path-to-the-image-from-the-mount'. The shards associated with this image would be named <gfid-gotten>.<block-num>. For instance, a file with gfid "971bd0d7-7952-48a2-bf8a-52d5e5cd0c49" will have shards na
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09:09 Ulrar kdhananjay: Ha, perfect, thanks !
09:09 Ulrar I did forget one, apparentlyu
09:09 Ulrar Good to know
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09:18 Ulrar 201 Gb file .. that'll take hours :(
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13:38 post-factum i've run "gluster volume status somevolume nfs clients", the command hung, and now every action on that volume returns "Another transaction is in progress". what should i do?
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13:49 post-factum nvm, the lock has been released after some time
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17:29 Topic for #gluster is now Gluster Community - http://gluster.org | Patches - http://review.gluster.org/ | Developers go to #gluster-dev | Channel Logs - https://botbot.me/freenode/gluster/ & http://irclog.perlgeek.de/gluster/
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19:31 jhc76 can gluster do three system replication? or restricted to 2 brick only mirror?
19:32 CyrilPeponnet you can create a replica N yes
19:33 CyrilPeponnet but your write through put will be divided by N
19:33 CyrilPeponnet (because it needs to sync between all replicated)
19:35 jhc76 got it. cool. it doesn't have alot to sync. so I suppose it'll be alright. Thanks for clarifying that. appreciate it!
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