Camelia, the Perl 6 bug

IRC log for #gluster, 2013-06-01

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All times shown according to UTC.

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06:03 jkroon hi guys, was just wondering if it's possible to create a gluster volume (intended to have replicate x 2 eventually) using a sigle brick initially and then add the second brick later?
06:05 samppah jkroon: yeah, it's possible to add more bricks later and increase replication level
06:06 jkroon ok, so start with replica x 1 and then up it later?
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06:10 samppah jkroon: yep
06:10 jkroon samppah, gluster refuses to create a volume with replica 1
06:11 jkroon also, how does rdma actually work?
06:11 jkroon does it give better performance than tcp?
06:11 samppah jkroon: if you have only one brici i think you don't have to use replica option
06:11 samppah sorry, i don't have any experience with rdma :(
06:11 samppah it requires infiniband
06:12 * jkroon has no infiniband so no point asking then
06:12 jkroon thanks, got it up now, you're very helpful thanks
06:12 samppah ah :)
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10:48 mrosenberg sorry to bypass any measures, but is there a reason that I (mjrosenb) am banned from this channel?
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10:54 mrosenberg either that or irssi has no clue what it is talking about
10:54 mrosenberg mjrosenb: c.c
10:54 mrosenberg welp. nevermind me
10:55 mjrosenb 06:43 [freenode] -!- Cannot join to channel #glusterfs (You are banned)
10:55 * mjrosenb is quite confused about that
10:55 mjrosenb anyhow, is there a way to change the logging level of a brick after it is started?
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15:01 lbalbalba hi. can anyone who installs glusterfs just do a 'gluster peer probe $myserver' to add it (and its bricks+data)to my trusted pool ? If so, is there a way to prevent this ? I cant seem to find anything in the sysadmin guide.
15:09 lbalbalba or do i have to use ip-based 'gluster volume set auth.allow/reject' on all my volumes. guess that prevents access to the data in the volumes (as long as the ip is not hijacked/spoofed by a malicious user) ?
15:12 m0zes lbalbalba: once you create a trusted "cluster" the initial probe to add a new peer has to come from a trusted peer. i.e. one already in the peer group.
15:13 lbalbalba m0zes: ah, thanks. so its ip based, or something more, do you happen to know ?
15:14 lbalbalba m0zes: 'magic-key-handshake' ?
15:15 m0zes generally hostname and uuid based. the peers in the cluster know who each other are and will reject any incoming probes if the newcomer hasn't been probed from a peer in the cluster first.
15:16 m0zes as I understand it anyway.
15:17 lbalbalba m0zes: thank you very much
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18:53 mjrosenb what process is responsible for moving data from the storage on a brick to a client making a request
18:53 mjrosenb glusterfsd, glusterd, or glusterfs?
19:01 mjrosenb ok, figured it out
19:01 mjrosenb what the deuce is /local/.glusterfs/f7/4f/f74f6691-​8320-4ca2-9ec6-eb39d47bc409/live
19:01 mjrosenb ?
19:03 m0zes mjrosenb: http://joejulian.name/blog/what-is-​this-new-glusterfs-directory-in-33/
19:03 glusterbot <http://goo.gl/j981n> (at joejulian.name)
19:06 mjrosenb /usr/src/gnu/usr.bin/gdb/l​ibgdb/fbsd-threads.c:484: internal-error: fbsd_thread_new_objfile: Assertion `proc_handle.pid == 0' failed.
19:06 mjrosenb uhh, whoops.
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19:22 mjrosenb uh-oh
19:23 mjrosenb so I attached gdb to the primary brick (the one that holds the mounting metadata, etc)
19:23 mjrosenb and then it crashed
19:23 mjrosenb so I restarted glusterd,
19:24 mjrosenb but the clients still aren't seeing anything on it.
19:25 mjrosenb is there anything i can do without re-starting the clients?
19:26 JoeJulian There is no primary; all peers are just that, peers. Stopping glusterd, or interfering with it, wouldn't affect the clients that already had the volume mounted.
19:26 JoeJulian ... so it must be something else.
19:26 mjrosenb oh, it just took a while for everything to come back
19:27 * mjrosenb is going to guess a local cache?
19:30 JoeJulian During the mount process, the client retrieves the configuration file from whichever server you specify for the mount (I use rrdns so it picks a random server and even fails over if that server isn't up). You can see that vol file by looking in /var/lib/glusterd/vols/$vol/${vol}-fuse.vol
19:31 mjrosenb things that would make my life easier: being able to load symbols from a .so in gdb.
19:31 JoeJulian Just need to install the debuginfo for the package related to that so.
19:32 mjrosenb JoeJulian: I built gluster from source, with debugging symbols
19:34 mjrosenb oh, maybe I still need to do something to get debug symbols for .so files?
19:34 mjrosenb Reading symbols from /usr/local/lib/glusterfs/3.3.0​/xlator/storage/posix.so...(no debugging symbols found)...done.
19:37 mjrosenb does make install strip the symbols?
19:41 mjrosenb ok, on 3.3.0, with freebsd, linkto does not seem to work
19:41 mjrosenb I created a file, and renamed it, so it now has a trusted.glusterfs.dht.linkto extattr.
19:42 mjrosenb aand running 'file' on the given file looks at these attributes:
19:42 mjrosenb trusted.gfid system.posix_acl_default system.posix_acl_access trusted.glusterfs.dht
19:48 mjrosenb oh...
19:48 mjrosenb the decision to make a link happens in the client doesn't it?
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