[ceph-users] rbd export hangs

2015-10-29 Thread Joe Ryner
Hi, I am having a strange problem with our development cluster. When I run rbd export it just hangs. I have been running ceph for a long time and haven't encountered this kind of issue. Any ideas as to what is going on? rbd -p locks export seco101ira - I am running Centos 6.6 x86 64 cep

Re: [ceph-users] rbd export hangs / does nothing without regular drop_cache

2015-10-20 Thread Stefan Priebe
Am 20.10.2015 um 15:03 schrieb Jason Dillaman: Can you provide more details on your setup and how you are running the rbd export? System with Raid 50 and 50TB space. Just running rbd export ... from command line. I'm exporting to a btrfs volume. Stefan > If clearing the pagecache, dentr

Re: [ceph-users] rbd export hangs / does nothing without regular drop_cache

2015-10-20 Thread Jason Dillaman
ssage - > From: "Stefan Priebe - Profihost AG" > To: ceph-us...@ceph.com > Sent: Saturday, October 17, 2015 2:02:37 PM > Subject: [ceph-users] rbd export hangs / does nothing without regular > drop_cache > Hi, > I've a machine doing rbd backup with the r

[ceph-users] rbd export hangs / does nothing without regular drop_cache

2015-10-17 Thread Stefan Priebe - Profihost AG
Hi, I've a machine doing rbd backup with the rbd export command. Around 10tb each day. After some days it starts to get very slowly and the rbd commands seem to do nothing. If I run echo 3 > drop_caches they starts immediately again to get traffic and dumping data. What's wrong here? Kernel 4