Perl 6 - the future is here, just unevenly distributed

IRC log for #gluster, 2015-05-28

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Time Nick Message
00:28 steveeJ can someone point to at the docs that describe the useage of raw block devices as bricks?
00:29 steveeJ I've read it somehwere but can't find anything about it
00:29 steveeJ anymore..
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00:34 JoeJulian steveeJ: http://gluster.readthedocs.org/en/release-3.7.0/Developer-guide/bd-xlator/
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00:54 steveeJ JoeJulian: thank you, any way around LVM here?
01:00 JoeJulian Not yet
01:02 JoeJulian steveeJ: There's a push to get it made pluggable, but until then it's lvm.
01:02 JoeJulian Why are you against it?
01:03 steveeJ I want to run glusterfs in containers and LVM doesn't play well inside
01:04 steveeJ in comparison, passing a single block device works well
01:09 JoeJulian hmm, interesting. I didn't know there were problems with lvm in containers.
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05:28 glusterbot News from newglusterbugs: [Bug 1225716] Remove brick command execution displays success even after, one of the bricks down. <https://bugzilla.redhat.com/show_bug.cgi?id=1225716>
05:28 glusterbot News from newglusterbugs: [Bug 1225718] [FEAT] DHT - rebalance - rebalance status o/p should be different for 'fix-layout' option, it should not show 'Rebalanced-files' , 'Size', 'Scanned' etc as it is not migrating any files. <https://bugzilla.redhat.com/show_bug.cgi?id=1225718>
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07:59 glusterbot News from newglusterbugs: [Bug 1225743] [AFR-V2] - afr_final_errno() should treat op_ret > 0 also as success <https://bugzilla.redhat.com/show_bug.cgi?id=1225743>
07:59 glusterbot News from newglusterbugs: [Bug 1225745] [AFR-V2] - afr_final_errno() should treat op_ret > 0 also as success <https://bugzilla.redhat.com/show_bug.cgi?id=1225745>
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09:10 RameshN Can anyone login to http://review.gluster.org with github id ?
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09:16 ndevos RameshN: yes, logout and login again just worked for me
09:17 ndevos RameshN: maybe try to logout too? http://review.gluster.org/logout
09:18 RameshN ndevos: Thanks http://review.gluster.org/logout and login works
09:18 ndevos RameshN: ah, good!
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09:59 glusterbot News from newglusterbugs: [Bug 1225809] [DHT-REBALANCE]-DataLoss: The data appended to a file during its migration will be lost once the migration is done <https://bugzilla.redhat.com/show_bug.cgi?id=1225809>
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10:29 glusterbot News from newglusterbugs: [Bug 1225839] [DHT:REBALANCE]: xattrs set on the file during rebalance migration will be lost after migration is over <https://bugzilla.redhat.com/show_bug.cgi?id=1225839>
10:29 glusterbot News from newglusterbugs: [Bug 1225842] Minor improvements and cleanup for the build system <https://bugzilla.redhat.com/show_bug.cgi?id=1225842>
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10:59 glusterbot News from newglusterbugs: [Bug 1225859] Glusterfs client crash during fd migration after graph switch <https://bugzilla.redhat.com/show_bug.cgi?id=1225859>
10:59 glusterbot News from newglusterbugs: [Bug 1200364] longevity: Incorrect log level messages in posix_istat and posix_lookup <https://bugzilla.redhat.com/show_bug.cgi?id=1200364>
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14:40 glusterbot News from resolvedglusterbugs: [Bug 1221584] Disperse volume: gluster volume heal info lists entries of all bricks <https://bugzilla.redhat.com/show_bug.cgi?id=1221584>
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16:31 CyrilPeponnet Just notice that volume-access -> read-only is only applied for nfs
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16:31 CyrilPeponnet is there a way to set a vol a RO for both glusterfs-fuse and nfs ?
16:35 CyrilPeponnet ok I juste fond the features.read-only as non documented in 3.5.2 (and need to restart the vol)
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16:45 CyrilPeponnet but this feature messed up with geo-rep :/
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17:27 Leildin Hi guys, where do I start when I get  "Process: 2184 ExecStart=/usr/sbin/glusterd -p /var/run/glusterd.pid (code=exited, status=1/FAILURE)"
17:27 Leildin in /var/log there's not much to go by, nothing was written
17:28 JoeJulian CyrilPeponnet: I wonder if you can make a bind mount read-only. Mount your gluster mount under a mode 700 directory somewhere, then bind-mount it for your users where they can reach it, but read-only.
17:28 JoeJulian Leildin: /var/log/glusterfs/etc-glusterfs-glusterd.vol.log
17:29 JoeJulian Though that's usually pretty useless too. I generally end up just running "glusterd --debug".
17:30 CyrilPeponnet @JoeJulian actually if the user mount -t glusterfs server:/vol /bla it will be rw
17:30 JoeJulian Oh. You don't have control over that, huh?
17:31 Leildin "Failed to set 'ulimit -n  65536': Operation not allowed"
17:31 Leildin I stopped the volume, rebooted to clear out files that were stuck in limbo on the system disk and when it started up it doesn't want to let glusterd work
17:31 JoeJulian Leildin: Any time root's not allowed to do something, I look for selinux.
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17:32 Leildin JoeJulian, I'm a noob, not sure what you mean
17:34 JoeJulian I don't really want to tell you to "setenforce 0" and try again, because that's just disabling a security feature, but try it anyway.
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17:34 JoeJulian ... and xaeth will tell Major then I won't be allowed to get a T-shirt...
17:36 vovcia im trying to debug why overlayfs dont work on top of gluster volumes...i found that overlayfs checks for dentry_operations capability called d_revalidate and forbid to use fs with this flag
17:36 vovcia this looks strange to me, because it works with NFS
17:37 vovcia maybe someone can clarify what does d_revalidate mean and what are the consequences?
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17:42 JoeJulian vovcia: Good question. hagarth ^^?
17:46 Leildin JoeJulian, sorry to bother you but struggling here. my logs say they were updated a minute ago but last log line with tail is 2 hours ago
17:46 Leildin would setenforce 0 be dangerous to my system ?
17:47 Leildin thedescription is just disable selinux but that's not helpful
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17:51 CyrilPeponnet @JoeJulian as most of people are linux guys not really... The best will be a RO / subnets :) maybe in 4.0
17:51 Leildin JoeJulian, setenforce 0 done, not booting, http://pastebin.com/CerGctB7 any idea what's not going through ?
17:51 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.
17:53 Leildin sorry bot
17:53 Leildin http://fpaste.org/226627/
17:57 JoeJulian Leildin: Sorry, setenforce 0 is temporary and is reset upon booting. I was simply suggesting you try disabling selinux and starting glusterd again, ie. systemctl start glusterd
17:58 Leildin yep, it failed ! and the paste is after trying that
17:58 JoeJulian ... and then I actually looked at the paste.
17:58 Leildin I think I have an empty brick
17:58 Leildin and I think I'm getting fired
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18:00 Leildin ok, no, it's not empty, wow I'm so lost I can(t even CD correctly
18:02 JoeJulian The "Unable to iterate the store for brick" is the fatal error, not sure how you get that though. (yet)
18:03 Leildin I'm full of surprises, I always the weird stuff happen to me.
18:03 Leildin the brick is mounted and browsable
18:06 Leildin what does " Initialization of volume 'management' failed" mean ? my volume is called "data"
18:06 JoeJulian check /var/lib/glusterd/vols/data/bricks/gls-safran1
18:07 JoeJulian It's not empty, is it?
18:09 Leildin there are 6 files, only 1 has anything in it
18:09 JoeJulian aha
18:09 Leildin scale of 1 to 10 how screwed am I ?
18:09 JoeJulian 0
18:10 JoeJulian Did you take care of the full disk problem?
18:10 Leildin yes !
18:10 Leildin before reboot 100% was taken, after, 4%
18:10 JoeJulian copy the /var/lib/glusterd/vols tree from another server.
18:10 Leildin it was a rebalance operation that seemed to be filing logs and the disk
18:10 Leildin it's the only server
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18:11 * JoeJulian grumbles
18:11 JoeJulian fpaste the good one.
18:11 Leildin My boss decided to go for single servers with multiple disks
18:11 JoeJulian your boss needs to talk to me.
18:11 glusterbot News from resolvedglusterbugs: [Bug 1225997] rebalance failing on one of the node <https://bugzilla.redhat.com/show_bug.cgi?id=1225997>
18:11 Leildin http://fpaste.org/226638/
18:12 Leildin my boss has a LOT of personal shit to handle :) he's not thinking straight anymore
18:12 Leildin my daily struggles ...
18:12 Leildin I'm guessing I have to replicate the same format as first file but with correct path for each brick ?
18:12 JoeJulian yes
18:13 JoeJulian looks like that should be sufficient.
18:13 * Leildin prays
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18:14 * xaeth wont tell Major on JoeJulian... its a valid test step to get out of the way
18:15 Leildin I've rebooted to remove the enforce thing
18:16 Leildin here comes the glusterd restart
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18:17 Leildin glusterd starts, but I get "Commit failed on localhost" when starting volume
18:17 Leildin but at least my volume is there, just not started
18:21 Leildin JoeJulian, maybe I need to specify a different port in the brick files ?
18:22 Leildin listen-port
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18:27 JoeJulian Ah, yes. Since they're all on the same server they'll need the ports incremented.
18:29 Leildin incremented and still not starting
18:30 Leildin port already in use still. is there a way to force a reparse of these files or does it do it on every volume start N
18:30 Leildin ?
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18:31 JoeJulian there's an upgrade command that will do that... just a sec
18:32 Leildin I rebooted
18:32 Leildin did the trick
18:32 JoeJulian awesome
18:32 Leildin 8:30PM here
18:32 JoeJulian Nice! It didn't keep you up until 3am!
18:32 Leildin it would be midnight without you helping
18:32 glusterbot Leildin: Please don't naked ping. http://blogs.gnome.org/markmc/2014/02/20/naked-pings/
18:32 JoeJulian lol
18:32 JoeJulian hush, glusterbot
18:32 Leildin bot doesn't like me
18:33 Leildin thank you Joe
18:33 JoeJulian You're welcome.
18:33 Leildin I think I already owe you my firstborn child
18:33 Leildin I don't know what else to get you for christmas
18:33 JoeJulian Hey, if you really want to pay me back, on my web site I have a donation button for cancer research.
18:34 JoeJulian Tell your boss he owes me.
18:34 Leildin that's a very elegant solution, will donate asap !
18:35 JoeJulian It's the only lab I've ever heard of that GPLs their research.
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18:37 Leildin good night/day/insomnia to all
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20:01 glusterbot News from newglusterbugs: [Bug 1226038] openSuse 13.2 rdma.so missing <https://bugzilla.redhat.com/show_bug.cgi?id=1226038>
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20:12 CyrilPeponnet Unable to self-heal contents of 'bla' (possible split-brain). Please delete the file from all but the preferred subvolume.- Pending matrix:  [ [ 0 0 0 ] [ 0 0 0 ] [ 0 0 0 ] ]
20:12 CyrilPeponnet but vol heal myvol info split-brain give nothing
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20:32 CyrilPeponnet @JoeJulian is http://review.gluster.org/#/c/9370/ in 3.5.2 I can't find the way to see on witch release it has been embeded
20:34 CyrilPeponnet got it
20:34 CyrilPeponnet 3.7
20:34 CyrilPeponnet pfff
20:35 CyrilPeponnet I spend 30 min tu understand why the cmd Kotresh give me doesn't work... it's because he forgot that I use 3.5.2 !
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23:24 dgbaley Hey, when a client mounts and receives the other bricks from the initial server, does it get hostnames or IP addresses?
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