#ceph IRC Log

Index

IRC Log for 2011-12-29

Timestamps are in GMT/BST.

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[3:44] <Kioob> Hi
[3:45] <Kioob> I'm trying to setup my first Ceph cluster, I create the FS on all nodes, but now on mon.0 I obtain that :
[3:46] <Kioob> # ceph -s
[3:46] <Kioob> 2011-12-29 03:43:22.292670 7f4a519c8700 -- :/30135 >> 10.1.1.2:6789/0 pipe(0x2130bf0 sd=3 pgs=0 cs=0 l=0).fault first fault
[3:46] <Kioob> (ceph v0.38)
[4:20] <lx0> Kioob, did you start the mon? how many mons did you configure?
[4:39] <Kioob> mff... you're right lx0, I forgot to restart it
[4:40] <Kioob> now I can mount ceph on all nodes, great :)
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[9:01] <livemoon> hi, I get this error" failed: 'modprobe btrfs ; btrfsctl -a ; egrep -q '^[^ ]+ /data/osd0' /proc/mounts || mount -t btrfs -o noatime /dev/sda3 /data/osd0'"
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[15:36] <Kioob> Ceph doesn't do any USER/UID mapping, so I have to manage the same UID on each clients, right ?
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[15:37] <iggy> Kioob: yeah, like any network fs
[15:41] <dwm_> Hmm, NFSv4 uses names rather than UIDs.
[15:47] <Kioob> ok, thanks iggy :)
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[17:00] <sagewk> elder: morning!
[17:00] <elder> Hi Sage.
[17:01] <sagewk> want to respin those patches as an export?
[17:01] <elder> Yes.
[17:02] <sagewk> that'll be nicer than fixing it twice. :)
[17:02] <elder> I was just waiting to hear from you that's what you wanted. I'll do that shortly. If I do so can you run it through a sanity check?
[17:02] <sagewk> yeah
[17:02] <elder> OK.
[17:02] <elder> Give me half an hour or so.
[17:02] <sagewk> ok, cool.
[17:03] <sagewk> also, i'm having second thoughts about that third patch (the mount option)
[17:04] <sagewk> right now it'll default to off because there are still bugs in the code...
[17:04] <sagewk> but if that's the case, maybe it should just be disabled entirely; nobody would want to turn it on yet anyway
[17:04] <elder> I didn't dig into it deep enough to know why it was the right thing to do. I thought it looked sound, but I wasn't sure why doing the checks or not doing the checks were equivalent.
[17:05] <sagewk> my concern is actually independent of how it's implemented. doe sit make sense to add a mount option to enable/disable a feature that isn't working yet?
[17:05] <elder> Oh, well that is a good poing.
[17:05] <elder> point.
[17:06] <elder> Better to tear it out (or #ifdef it) and only add it back in when it's working.
[17:06] <sagewk> yeah, ok. i'll respin that one too. :)
[17:08] <sagewk> oh..
[17:08] <sagewk> you know what, the only d_find_any_alias() callers are in those methods. so disabling it means we can put off the export until later
[17:08] <elder> So you can disable the code and we can deal with the export in the 3.3 cycle?
[17:09] <sagewk> yeah
[17:09] <elder> I'll still re-do the patches while they're fresh.
[17:09] <sagewk> ok
[17:12] <sagewk> re-pushed to for-linus.. look ok?
[17:12] <elder> Which branch does the patch series you most recently mailed out apply to?
[17:13] <sagewk> linus/master
[17:13] <sagewk> it was the for-linus branch
[17:16] <elder> OK, now I've got that straightened out. Yes, in my view that looks OK--but like I said before I didn't go follow the logic for the D_COMPLETE bit
[17:19] <sagewk> yeah. nobody sets it now, so this is safe at least. let's spend some time reviewing the whole strategy when you're here in a couple weeks
[17:19] <elder> OK.
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[17:42] <elder> On second thought, sagewk, I'm not going to update the patches. They aren't applying cleanly at the moment and I'm in the middle of something else.
[17:44] <sagewk> k
[17:44] <sagewk> no hurry :)
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[18:30] <yehudasa_> sagewk, elder: tearing it out now is probably the cleanest solution, however, I think we should reinstate this mount option for 3.3 (disabled by default)
[18:30] <sagewk> yehudasa_: yeah
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[22:08] <greenmoss> hey all, hate to be a bearer of bad news, but the spammers are all over the ceph wiki:
[22:08] <greenmoss> http://ceph.newdream.net/wiki/Special:RecentChanges
[22:09] <greenmoss> is there an admin contact?
[22:09] <greenmoss> *wishes plagues upon spammers*
[22:10] <yehudasa_> greenmoss: yeah, thanks
[22:12] <greenmoss> oh, I see this is a perennial subject; sorry ;)
[22:12] <greenmoss> I'll be on my way now
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[23:03] <nhm> yehudasa_: looks like there is a spam cleanup extension for mediawiki: https://www.mediawiki.org/wiki/Anti-spam_features#Spam_cleanup_script
[23:04] <yehudasa_> nhm: thanks, I'll look at it
[23:06] <nhm> yehudasa_: np
[23:40] <Sargun> Are there any major users of Ceph currently out there
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