Re: [ceph-users] VMs freez after slow requests

2013-06-04 Thread Dominik Mostowiec
Hi, VM died, but on root disk i found: kern.log: 51 2013-06-04T21:18:02.568823+02:00 vm-1 kernel - - - [ 220.717935] sd 2:0:0:0: Attached scsi generic sg0 type 0 51 2013-06-04T21:18:02.568848+02:00 vm-1 kernel - - - [ 220.718231] sd 2:0:0:0: [sda] 1048576000 512-byte logical blocks: (536 GB/500

[ceph-users] VMs freez after slow requests

2013-06-03 Thread Dominik Mostowiec
Hi, I try to start postgres cluster on VMs with second disk mounted from ceph (rbd - kvm). I started some writes (pgbench initialisation) on 8 VMs and VMs freez. Ceph reports slow request on 1 osd. I restarted this osd to remove slows and VMs hangs permanently. Is this a normal situation afer

Re: [ceph-users] VMs freez after slow requests

2013-06-03 Thread Gregory Farnum
On Sunday, June 2, 2013, Dominik Mostowiec wrote: Hi, I try to start postgres cluster on VMs with second disk mounted from ceph (rbd - kvm). I started some writes (pgbench initialisation) on 8 VMs and VMs freez. Ceph reports slow request on 1 osd. I restarted this osd to remove slows and

Re: [ceph-users] VMs freez after slow requests

2013-06-03 Thread Olivier Bonvalet
Le lundi 03 juin 2013 à 08:04 -0700, Gregory Farnum a écrit : On Sunday, June 2, 2013, Dominik Mostowiec wrote: Hi, I try to start postgres cluster on VMs with second disk mounted from ceph (rbd - kvm). I started some writes (pgbench initialisation)