Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster, 2016-12-08

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02:48 Topic for #gluster is now Gluster Community - http://gluster.org | Documentation - https://gluster.readthedocs.io/en/latest/ | 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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13:55 t4nk655 Hi there, I'd like to use inotifywait on glusterfs. From what I can find there's no native inotify support but I can use gnotify. I am able to find this URL but that's pretty much all I can find about it, is there no additional documentation about its usage? -> https://github.com/gluster/glusterfs-specs/blob/master/done/GlusterFS%203.7/Gnotify.md
13:55 glusterbot Title: glusterfs-specs/Gnotify.md at master · gluster/glusterfs-specs · GitHub (at github.com)
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15:13 Utoxin atinm: I somehow fixed my rebalance issue yesterday. Still not sure exactly how. :)
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17:01 SeerKan hello guys
17:01 SeerKan need some urgent advice if anybody available
17:02 SeerKan I had to reinstall one of 2 gluster machines (ec2). Reinstalled, machine and configured it with the same ansible automation like in the beggining. The brick is stored on an EBS so it's identical like before, the ip and hostname are the same and the UUID was kept like before
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17:03 SeerKan the server now is saying that the brick "data" I had doesn't exist. Is that info stored somewhere on the / partition ?
17:03 SeerKan (I can't add data again because the brick is not empty and I would like to avoid copying 2 TB of data again if possible
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17:35 JoeJulian SeerKan: What's the actual error message?
17:36 SeerKan data volumea wasn't configured
17:36 SeerKan found out that the configuration is on /var/lib/glusterd/vols/
17:36 SeerKan copied that and seems to work ok now
17:36 JoeJulian Ah, good.
17:37 JoeJulian "gluster volume sync $other_peer" should have worked as well.
17:37 SeerKan even if volume configuration was missing ?
17:37 JoeJulian Assuming it's not missing from $other_peer, yes.
17:37 SeerKan good to know anyway, might need that in the future
17:37 JoeJulian Something to add to your playbook. :)
17:38 SeerKan one more question, any way of knowing if the 2 peers are in sync ?
17:38 JoeJulian The volume won't start if the volume data hash doesn't match.
17:38 SeerKan the gluster was down for 1-2 hours and want to make sure they are in sync before I reinstall the second machine
17:38 JoeJulian Oh, the replica sync
17:39 JoeJulian gluster volume heal status
17:39 SeerKan awesome, thank you
17:39 JoeJulian gluster volume heal $vol info
17:39 JoeJulian wtf
17:39 JoeJulian I need more coffee
17:39 JoeJulian "heal status" indeed...
17:41 SeerKan sudo gluster volume heal data info spits out a bunch of gfid's. I guess that's a list of missing files ?
17:43 JoeJulian No, that's just heals that need to be completed.
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20:47 chris4 Hello all, very new to IRC.  Look for some assistance with a glusterfs issue.  Hope I'm in the right place
20:50 chris4 I have a 4 node setup with a brick on each node.  When I issue the "gluster peer status" command every thing shows connected
20:52 chris4 but when I do the rebalance fix-layout start command it tell me one of the nodes is down
20:53 chris4 if I probe the node that's it says is down it tells me it's alread in the peer list
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20:53 chris4 the node is running and the gluster server is running on it.
20:54 chris4 running version 3.9.0 on latest debian
20:55 chris4 Any ideas on what to look at to debug the issue??
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21:39 JoeJulian chris4: Check "gluster volume status"
21:41 chris4 that reports that all bricks are online
21:42 chris4 it lists a TCP port but all the RDMA ports are 0
21:43 JoeJulian Are you using infiniband?
21:43 chris4 nope regular ipv4 network
21:46 JoeJulian Well, I'd check the log file for glusterd (/var/log/glusterfs/glusterd.log) and look for clues.
21:50 chris4 ok I'll see what I can find
21:55 chris4 is RDMA for infiniband?
22:01 chris4 my host names are gluster1 thru gluster4
22:02 chris4 my volume name is bigspace
22:03 chris4 when I run from gluster1 "gluster volume rebalance bigspace fix-layout start" it complains that gluster3 brick is down
22:03 chris4 I get a "0-management: Missing rebalance-id" in gluster3's logfile
22:04 chris4 Is that information of any use?  If so, what is it telling me.
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22:25 JoeJulian chris4: Sorry, didn't mean to abandon you, had a work call.
22:26 chris4 it's not an emergency.  I'm just stuck don't know what to do
22:28 JoeJulian Reading the source just seems to confirm what that message says, the rebalance-id dict entry is missing... I assume you're positive they're all 3.9.0?
22:29 chris4 yep, just did the upgrade myself a couple days age
22:29 chris4 went from 3.5 to 3.9.  would that be an issue
22:30 JoeJulian Only if one of the 3.5 glusterd didn't get restarted and isn't running the new version yet.
22:30 JoeJulian Well, glusterd and glusterfsd.
22:31 JoeJulian restarting glusterd (or glusterfs-server on ubuntu) doesn't restart the bricks (by design).
22:31 chris4 nope I rebooted all the nodes.  restarting the service didn't bring the node back online
22:34 JoeJulian Anything above that rebalance-id error that might precipitate out that way?
22:37 chris4 There are errors like "could not find matching local task for task b6d259........."
22:38 chris4 this is a failed rebalance task that appears when I do "gluster volume status"
22:38 JoeJulian That would explain that error message, but then we hope to find something that causes a failure to create the task.
22:39 JoeJulian Can you stop the rebalance?
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22:42 chris4 I think if I to a stats on the rebalance it doesn't show up.
22:43 chris4 I'm at the end of my day.  I'll take a look at it tomorrow.  thanks for your help.  I might be back tomorrow
22:43 JoeJulian I might be as well. ;)
22:43 JoeJulian It's a half day for my daughter's school, so I'll probably be hanging out with her in the afternoon.
22:44 chris4 Ok, I'm in Central time zone USA
22:47 JoeJulian <- Pacific
22:47 JoeJulian (Seattle, spefically)
22:48 JoeJulian specifically even.. no idea what happened to the rest of those letters.
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22:51 snehring Could a client disconnecting in a weird way (say an interface was reset) lead to files being disparate across bricks?
22:56 snehring It's a replica 3 setup that seems to be healing fine after the event, but I just want to be able to point my finger at something
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23:55 JoeJulian snehring: yep
23:55 JoeJulian Assuming the files were being altered at the time of the disconnection.
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