subject:"\[ceph\-users\] OSD flapping during recovery"

Re: [ceph-users] OSD flapping during recovery

2014-02-18 Thread Craig Lewis

*Craig Lewis* Senior Systems Engineer Office +1.714.602.1309 Email cle...@centraldesktop.com *Central Desktop. Work together in ways you never thought possible.* Connect with us Website | Twitter

Re: [ceph-users] OSD flapping during recovery

2014-02-17 Thread Christian Balzer

On Mon, 17 Feb 2014 11:24:42 -0800 Craig Lewis wrote: [kswapd going bersek] > > Any idea what happened? I'm assuming it will happen again if recovery > takes long enough. > You're running into a well known, but poorly rectified (if at all) kernel problem, there is little Ceph has to do with it

[ceph-users] OSD flapping during recovery

2014-02-17 Thread Craig Lewis

I had some issues with OSD flapping after 2 days of recovery. It appears to be related to swapping, even though I have plenty of RAM for the number of OSDs I have. The cluster was completely unusable, and I ended up rebooting all the nodes. It's been great ever since, but I'm assuming it wil