#ceph IRC Log

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IRC Log for 2012-06-06

Timestamps are in GMT/BST.

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[2:34] <elder> sagewk, I'm not 100% convinced it's safe to make refcounting a no-op in mon_client, with the things as they are now.
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[2:40] <elder> Whoops.
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[2:42] <elder> Note that ceph_con_close() calls queue_con(con) at the end, which looks to me like it will re-schedule some work. Meanwhile the caller frees the memory containing the connection.
[2:42] <elder> I'd really like to make the connections completely self-contained within the connection layer.
[2:43] <elder> That means that despite my recent change to embed the ceph connection structure within the monitor client, I think I want to switch all three clients over to using a pointer to a connection.
[2:45] <elder> That way the connection/messenger layer can track "created" connections internally, and at least provided a client properly "destroys" its connection(s) then the connections will go away only when there are no more references to them.
[2:45] <elder> But for now I'm not going to worry about that.
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[16:27] <joao> elder, nhm, did my email went through to the list?
[16:27] <elder> Depends. When did you send it?
[16:27] <joao> got bounced a couple of times due to spam filters or something
[16:27] <joao> a few minutes ago
[16:28] <joao> 5/10
[16:28] <elder> Oh, Linkedin?
[16:28] <joao> yes
[16:28] <joao> cool, means I nailed it
[16:28] <joao> just had to substitute "you should change your password" with something else not containing "password" and "change" in the same phrase :p
[16:29] <elder> Spammer.
[16:29] <joao> I wouldn't have the creativity for it
[16:30] <joao> I spent a solid 10 minutes trying to get that email through
[16:32] <elder> I just spent a few minutes trying to figure out how to change my password.
[16:33] <elder> Sign in, hover over your name on the top-right corner and select "Settings", then click on the "Change" link after "Password"
[16:37] <joao> yeah, so did I
[16:37] <joao> they made it pretty easy to leak them, but pretty hard to change them
[16:38] <elder> They made it so easy I already cracked a few thousand.
[16:38] <elder> :)
[16:38] <elder> But only just now managed to figure out how to change my password.
[16:39] <joao> lol
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[19:13] <joao> sagewk, around?
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[19:49] <sagewk> joao: here
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[20:02] <elder> nhm, Crucial CT256M4SSD2CCA 256 GB for $180?
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[20:03] <nhm> elder: looks like a great deal to me.
[20:03] <nhm> elder: The M4s are supposed to be pretty good, and that's a great price.
[20:03] <elder> I actually bought one a couple weeks ago for $200.
[20:04] <elder> It's now my laptop drive. Now I'm thinking I want one for my desktop machine...
[20:04] <nhm> elder: yeah, I bought a 120G sandisk extreme for $120 like a month or two ago.
[20:04] <sjust> yeah, that's actually getting close to tolerable
[20:04] <nhm> sjust: 120G is enough for me for non bulk data.
[20:05] <sjust> oh, 64 is enough for me
[20:05] <sjust> it's the price
[20:05] <elder> 640K is enough for me.
[20:05] <elder> And the rest of you as well.
[20:05] <nhm> elder: that's becuse you use paper for everything!
[20:06] <elder> I have a fairly full desktop machine--everything I need for a while, and I'm probably using 100GB right now.
[20:07] <elder> I'm thinking I'll get this and do a cycle of image backups onto my existing 1 TB drive.
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[20:54] <jmlowe> has anybody ever seen this this message "kvm: 2012-06-06 14:54:28.044382 7f6401e6c700 0 client.7104.objecter pinging osd that serves lingering tid 1 (osd.11)"
[20:56] <joshd> jmlowe: it's harmless (http://www.spinics.net/lists/ceph-devel/msg06472.html)
[20:56] <jmlowe> ok, whew
[21:23] <Tv> sagewk, greg: is there a way to make "ceph auth get-or-create-key ..." fail fast if it can't reach a mon or if the mon it reaches is not in quorum?
[21:23] <sagewk> timeout?
[21:24] <Tv> sagewk: can i shorten it for just one call?
[21:24] <Tv> or do i need to provide an external timeout mechanism?
[21:24] <sagewk> i mean, 'timeout 30 ceph auth ...'
[21:24] <sagewk> nothing internal currently
[21:24] <Tv> hrmm
[21:25] <sagewk> timeout is no good?
[21:26] <Tv> well i'd really love fail-fast for the common case
[21:26] <Tv> of mon alive but not in quorum
[21:26] <Tv> this needs to go in the chef run, and i'd hate to have a long delay on every run
[21:27] <Tv> this is multi-mon bringup
[21:27] <sagewk> oh, i see.
[21:27] <Tv> can i ask a mon if it's in quorum?
[21:27] <sagewk> yeah
[21:27] <Tv> ahhh
[21:27] <sagewk> 'ceph -m <ip> mon_status' gives you json
[21:27] <sagewk> or, ceph --admin-daemon /path/to/socket mon_status
[21:28] <Tv> then i make this conditional on that
[21:28] <sagewk> for the same
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[21:33] <Tv> sagewk: -m ip hangs, admin socket works; thanks
[21:33] <sagewk> cool
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[21:40] <Tv> sagewk: so i don't see a single field i could treat as a boolean... i guess i need to look at state, but what's a compehensive list states, either for "yes" or "no"
[21:40] <Tv> i've seen "probing" and "leader" so far
[21:40] <Tv> it seems leader and peon are in quorum?
[21:46] <gregaf1> Tv: correct
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[21:57] <sagewk> right
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[23:24] <Tv> sagewk: so i had hoped to use get-or-create-key to create client.admin too
[23:24] <Tv> sagewk: but i have no key to do that as
[23:24] <Tv> sagewk: i planned on hijacking mon. a little for that, but it refuses
[23:25] <Tv> sagewk: the only alternative i can think of is putting more secrets in the stuff admin dictates from above
[23:25] <Tv> sagewk: i'm not at all convinced that's a good direction
[23:25] <Tv> sagewk: opinions?
[23:26] <Tv> 2012-06-06 21:25:53.368591 7f611d5b1700 0 cephx server mon.: couldn't find entity name: mon.
[23:26] <Tv> hmm i could put mon. in the initial keyring with an alternate, more normal-looking name
[23:27] <Tv> but i really have no need to leave it there
[23:27] <Tv> being able to do get-or-create-key via admin socket sounds best to me
[23:27] <Tv> that also gives you "oops, i screwed up" backdoor using just unix access controls
[23:28] <Tv> then again, so does $mon_data_dir/keyring, if it accepted operations as mon.
[23:28] <Tv> gregaf1: you too
[23:31] <Tv> alright i'm gonna go eat lunch, then walk to the office; i'll bother you for an answer before journal club
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[23:59] <sagewk> tv: right, mon. isn't in the "auth database" because it's in keyring instead, where you can change it offline

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