Re: [ceph-users] problem with cache tier

2015-07-05 Thread Shinobu Kinjo
I'm quite clear now. > this is my test setup - that's why I'm trying to break it and fix it (best way to learn) Thanks for your feedback!! Kinjo On Sun, Jul 5, 2015 at 8:51 PM, Jacek Jarosiewicz < jjarosiew...@supermedia.pl> wrote: > Well, the docs say that when your osds get full you should

Re: [ceph-users] problem with cache tier

2015-07-05 Thread Jacek Jarosiewicz
Well, the docs say that when your osds get full you should add another osd - and the cluster should redistribute data by it self: http://ceph.com/docs/master/rados/troubleshooting/troubleshooting-osd/#no-free-drive-space this is my test setup - that's why I'm trying to break it and fix it (bes

Re: [ceph-users] problem with cache tier

2015-07-05 Thread Shinobu Kinjo
That's good! So was the root cause is because the osd was full? What's your thought about that? Was there any reason to delete any files? Kinjo On Sun, Jul 5, 2015 at 6:51 PM, Jacek Jarosiewicz < jjarosiew...@supermedia.pl> wrote: > ok, I got it working... > > first i manually deleted some fi

Re: [ceph-users] problem with cache tier

2015-07-05 Thread Jacek Jarosiewicz
ok, I got it working... first i manually deleted some files from the full osd, set the flag noout and restarted the osd daemon. then i waited a while for the cluster to backfill pgs, and after that the rados -p cache cache-try-flush-evict-all command went OK. I'm wondering though, because t

[ceph-users] problem with cache tier

2015-07-04 Thread Jacek Jarosiewicz
Hi, I'm currently testing cache tier on ceph 0.94.2 - I've set up an erasure coded pool with a cache pool on SSD drives, the cache mode is set to writeback. I tried to fill the cache and see how it will flush objects but the cache pool is full and I can't flush-evict any objects.. and there a