Re: [ceph-users] Ceph OSD very slow startup

2014-10-20 Thread Gregory Farnum
On Mon, Oct 20, 2014 at 8:25 AM, Lionel Bouton wrote: > Hi, > > More information on our Btrfs tests. > > Le 14/10/2014 19:53, Lionel Bouton a écrit : > > > > Current plan: wait at least a week to study 3.17.0 behavior and upgrade the > 3.12.21 nodes to 3.17.0 if all goes well. > > > 3.17.0 and 3.1

Re: [ceph-users] Ceph OSD very slow startup

2014-10-20 Thread Lionel Bouton
Hi, More information on our Btrfs tests. Le 14/10/2014 19:53, Lionel Bouton a écrit : > > > Current plan: wait at least a week to study 3.17.0 behavior and > upgrade the 3.12.21 nodes to 3.17.0 if all goes well. > 3.17.0 and 3.17.1 have a bug which remounts Btrfs filesystems read-only (no corrup

Re: [ceph-users] Ceph OSD very slow startup

2014-10-14 Thread Lionel Bouton
Le 14/10/2014 18:51, Lionel Bouton a écrit : > Le 14/10/2014 18:17, Gregory Farnum a écrit : >> On Monday, October 13, 2014, Lionel Bouton > > wrote: >> >> [...] >> >> What could explain such long startup times? Is the OSD init doing >> a lot >> of

Re: [ceph-users] Ceph OSD very slow startup

2014-10-14 Thread Lionel Bouton
Le 14/10/2014 18:17, Gregory Farnum a écrit : > On Monday, October 13, 2014, Lionel Bouton > wrote: > > [...] > > What could explain such long startup times? Is the OSD init doing > a lot > of random disk accesses? Is it dependant on the volume of

Re: [ceph-users] Ceph OSD very slow startup

2014-10-14 Thread Gregory Farnum
On Monday, October 13, 2014, Lionel Bouton wrote: > Hi, > > # First a short description of our Ceph setup > > You can skip to the next section ("Main questions") to save time and > come back to this one if you need more context. > > We are currently moving away from DRBD-based storage backed by R

Re: [ceph-users] Ceph OSD very slow startup

2014-10-13 Thread Lionel Bouton
Le 14/10/2014 01:28, Lionel Bouton a écrit : > Hi, > > # First a short description of our Ceph setup > > You can skip to the next section ("Main questions") to save time and > come back to this one if you need more context. Missing important piece of information: this is Ceph 0.80.5 (guessable as