Re: active MDS and disk write cache

2012-11-03 Thread Gregory Farnum
I suspect mon force standby active is your problem: http://ceph.com/wiki/Standby-replay_modes#mon_force_standby_active Try disabling that? On Wed, Oct 31, 2012 at 6:02 PM, Matt Weil mw...@genome.wustl.edu wrote: I have a system with a bunch or ram that I want to remain the active MDS but still

active MDS and disk write cache

2012-10-31 Thread Matt Weil
I have a system with a bunch or ram that I want to remain the active MDS but still have a backup. This config doesn't seem to be working. I can make linuscs92 the active by stopping and starting the mds on linuscs95. It would be nice for linuscs92 to be the active from the start.

Re: active MDS and disk write cache

2012-10-31 Thread Sam Lang
On 10/31/2012 12:02 PM, Matt Weil wrote: I have a system with a bunch or ram that I want to remain the active MDS but still have a backup. This config doesn't seem to be working. I can make linuscs92 the active by stopping and starting the mds on linuscs95. It would be nice for linuscs92 to be

Re: active MDS and disk write cache

2012-10-31 Thread Matt Weil
Hi Matt, Can you post your ceph config? Once you startup your ceph cluster, you see that linuscs92 is the standby and linuscs95 is the active? How are you starting your cluster? service ceph -a start and yes linuscs95 comes out as active. [global] ; enable secure authentication