Re: [PATCH] Add old_inodes to emetablob

2012-02-24 Thread Alexandre Oliva
On Feb 23, 2012, Sage Weil wrote: > On Tue, 21 Feb 2012, Alexandre Oliva wrote: >> This was supposed to fix bug 1946, and likely bug 1849 too, but it looks >> like something's still missing for a complete fix. fuse-unmounting >> between touching a dir and creating a snapshot seems to help get co

Re: Performance test on Ceph cluster

2012-02-24 Thread Tommi Virtanen
On Fri, Feb 24, 2012 at 00:58, madhusudhana wrote: > 1. In my cluster, all OSD's are mkfs'ed with btrfs > 2. Below is what i can see with ceph -s output. Is that mean, only one MDS > is operation and another one is standby ? >          mds e5: 1/1/1 up {0=ceph-node-1=up:active}, 1 up:standby Yes,

Re: [RFC PATCH 0/6] Understanding delays due to throttling under very heavy write load

2012-02-24 Thread Tommi Virtanen
I created ticket http://tracker.newdream.net/issues/2100 for this. On Fri, Feb 24, 2012 at 10:31, Tommi Virtanen wrote: > On Fri, Feb 24, 2012 at 07:38, Jim Schutt wrote: >> I've finally figured out what is going on with this behaviour. >> Memory usage was on the right track. >> >> It turns out

Re: [RFC PATCH 0/6] Understanding delays due to throttling under very heavy write load

2012-02-24 Thread Tommi Virtanen
On Fri, Feb 24, 2012 at 07:38, Jim Schutt wrote: > I've finally figured out what is going on with this behaviour. > Memory usage was on the right track. > > It turns out to be an unfortunate interaction between the > number of OSDs/server, number of clients, TCP socket buffer > autotuning, the pol

Re: [Crowbar] barclamp-ceph and crowbar

2012-02-24 Thread John Alberts
On Fri, Feb 24, 2012 at 10:34 AM, Martin Mailand wrote: > Hi John, > I tried them a few weeks ago, they are developed for crowbar version 1.1 and > doesn't seem to work with 1.2. If I want to create a proposal, the next page > is white and an error is log. > The barclamp installs one ceph-mon node

Re: ceph does not work

2012-02-24 Thread Gregory Farnum
On Feb 24, 2012, at 3:33 AM, "Дениска-редиска" wrote: > running cluster of 3 nodes: > > lv-test-2 ~ # ceph -s > 2012-02-24 13:10:35.481248pg v726: 594 pgs: 594 active+clean; 120 MB > data, 683 MB used, 35448 MB / 37967 MB avail > 2012-02-24 13:10:35.484463 mds e177: 3/3/3 up > {0=shark1=u

Re: [Crowbar] barclamp-ceph and crowbar

2012-02-24 Thread Martin Mailand
Hi John, I tried them a few weeks ago, they are developed for crowbar version 1.1 and doesn't seem to work with 1.2. If I want to create a proposal, the next page is white and an error is log. The barclamp installs one ceph-mon node, and several ceph-store nodes. The glue to connect your virtua

Re: [RFC PATCH 0/6] Understanding delays due to throttling under very heavy write load

2012-02-24 Thread Jim Schutt
On 02/02/2012 10:52 AM, Gregory Farnum wrote: On Thu, Feb 2, 2012 at 7:29 AM, Jim Schutt wrote: I'm currently running 24 OSDs/server, one 1TB 7200 RPM SAS drive per OSD. During a test I watch both OSD servers with both vmstat and iostat. During a "good" period, vmstat says the server is susta

Re: Stale NFS file handle

2012-02-24 Thread Székelyi Szabolcs
On 2012. February 23. 10:43:02 Tommi Virtanen wrote: > 2012/2/13 Székelyi Szabolcs : > >> Okay, that sounds like a bug then. The two interesting things would > >> be a ceph-fuse log (--debug-client 10 --debug-ms 1 --log-file > >> /path/to/log) and an mds log (debug mds = 20, debug ms = 1 in [mds]

Re: ceph does not work

2012-02-24 Thread Дениска-редиска
running cluster of 3 nodes: lv-test-2 ~ # ceph -s 2012-02-24 13:10:35.481248pg v726: 594 pgs: 594 active+clean; 120 MB data, 683 MB used, 35448 MB / 37967 MB avail 2012-02-24 13:10:35.484463 mds e177: 3/3/3 up {0=shark1=up:active,1=lv-test-1=up:active,2=lv-test-2=up:active} 201

Re: Performance test on Ceph cluster

2012-02-24 Thread madhusudhana
Tommi Virtanen dreamhost.com> writes: > > On Wed, Feb 22, 2012 at 23:12, madhusudhana > gmail.com> wrote: > > 1. can you please let me know how I can make only 1 MDS active ? > > You can see that in "ceph -s" output, the "mds" line should have just > one entry like "0=a=up:active" with the wor