#ceph IRC Log

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IRC Log for 2012-09-08

Timestamps are in GMT/BST.

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[0:06] <MooingLemur> I've somehow confused my test setup. I now supposedly have only one monitor, but keeps saying that we are not in quorum
[0:07] <gregaf1> sounds like you'll need to grab the monmap out of your monitor's data directory and look at it with the monmaptool
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[0:23] <elder> sagelap, I pushed testing-next and will be testing with it soon. It includes all the patches reviewed so far, and is based on current testing branch. Pending test results I plan to update testing to match it. (FYI)
[0:26] <sagelap> sweet
[0:29] <sjust> sagelap: wip_backfill_reservation appears to be pretty close, just ran a regression suite and only turned up a bug fixed in current master, rerunning now rebased on master
[0:29] <MooingLemur> hmm, I managed to get it happy with one monitor, then tried to add a 2nd, and now I'm getting "discarding election message... not in my monmap" as well as those "we are not in quorum" messages
[0:29] <sjust> wip-3072's commits were also in that run and look fine
[0:29] <sjust> you probably want to squash my one-line change onto yours
[0:29] <elder> dmick, I think three console ports I want access to for machines I have locked got somehow stuck last time my machine froze.
[0:29] <elder> Can you help me regain access to them?
[0:30] <MooingLemur> hmm. I think I know how to get out of this.
[0:30] <elder> planas 69, 63, and 74
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[0:41] <dmick> hey elder
[0:41] <dmick> um, let me try
[0:43] <dmick> I assume you were getting Info: SOL payload already active on another session
[0:43] <dmick> ?
[0:44] <elder> Correct.
[0:44] <dmick> should be ok now; was some console logging testing that probably shouldn't have been going on just now
[0:44] <gregaf1> MooingLemur: did you work it out?
[0:45] <elder> Splendid. Thanks dmick
[0:46] <MooingLemur> yep :) I stole the monmaps from mkfs on the host I was trying to add, then manually added the 2nd monitor, then put it into mkfs on both monitors and started them up
[0:46] <MooingLemur> then I added the third monitor as normal, as it retained quorum with 2/3
[0:47] <gregaf1> you did this on a running cluster
[0:47] <gregaf1> ?
[0:47] <MooingLemur> nah, shut it down to do that
[0:47] <gregaf1> I'm just confused because it sounds like you ran mkfs on both the new and old monitors
[0:48] <MooingLemur> there just didn't look like a way to move from 1 monitor to more than one on a running cluster without losing quorum
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[0:52] <gregaf1> MooingLemur: http://ceph.com/docs/master/cluster-ops/add-or-rm-mons/
[0:52] <gregaf1> it might be a little different on argonaut, but it's definitely possible!
[0:55] <MooingLemur> still trying to wrap my head around all of it. :)
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[0:56] <sagelap> yehudasa: aside from the compat part, wip-3060 looks good to me.
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[0:56] <MooingLemur> But that's the sequence I used before. As soon as I did "ceph mon add", that's when it lost quorum, and for some reason, starting the second monitor didn't resolve it. And the data dir for the new mon had a mkfs/ dir but not a monmap/ dir
[0:57] <gregaf1> hrmmm
[0:57] <MooingLemur> it appeared not to be able to newly join because it couldn't talk to the cluster because that was waiting for quorum.
[0:58] <gregaf1> I wonder if you need to bring up the new monitor and then tell the cluster to add it…that's conceivable though not "correct"
[0:58] <yehudasa> sagelap: cool, thanks
[1:01] <sagelap> yehudasa: wip-1776 looks ok too. altho i think g_conf->foo is also a std::string, so you can probably skip the local assignment?
[1:02] <yehudasa> sagelap: that was more for the sake of readability
[1:03] <yehudasa> originally it was const string& auth_entry = ...
[1:03] <yehudasa> but there's a goto above which makes it impossible
[1:03] <yehudasa> I'll fix that
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[2:02] <yehudasa> sagelap: pushed compat fix for 3060
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[3:03] <themgt> is there a good way to take a full backup of a ceph cluster, that could be restored in case something goes wrong?
[3:06] <joshd> right now there's not a good general way to back up the entire cluster (especially as its in use)
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[18:01] <dennisj> hi, i'm looking for a ceph 0.48.1 srpm or a spec file. the one provided on github doesn't seem to work.
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[20:45] <Enigmagic> is there something equivalent to deep-scrub on v0.48.1?
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