Re: [ceph-users] [Scst-devel] Thin Provisioning and Ceph RBD's

2016-07-30 Thread Alex Gorbachev
> > On Wednesday, July 27, 2016, Vladislav Bolkhovitin wrote: >> >> >> Alex Gorbachev wrote on 07/27/2016 10:33 AM: >> > One other experiment: just running blkdiscard against the RBD block >> > device completely clears it, to the point where the rbd-diff method >> > reports 0 blocks utilized. So

Re: [ceph-users] [Scst-devel] Thin Provisioning and Ceph RBD's

2016-07-30 Thread Alex Gorbachev
Hi Vlad, On Wednesday, July 27, 2016, Vladislav Bolkhovitin wrote: > > Alex Gorbachev wrote on 07/27/2016 10:33 AM: > > One other experiment: just running blkdiscard against the RBD block > > device completely clears it, to the point where the rbd-diff method > > reports 0 blocks utilized. So t

Re: [ceph-users] ONE pg deep-scrub blocks cluster

2016-07-30 Thread c
Am 2016-07-30 14:04, schrieb Marius Vaitiekunas: Hi, We had a similar issue. If you use radosgw and have large buckets, this pg could hold a bucket index.  Hello Marius, thanks for your hint. But, it seems that i forgot to mention that we are using ceph only as rbd for our virtual machines

Re: [ceph-users] 2TB useable - small business - help appreciated

2016-07-30 Thread David
Hi Richard, It would be useful to know what you're currently using for storage as that would help in recommending a strategy. My guess is an all CephFS set up might be best for your use case. I haven't tested this myself but I'd mount CephFS on the OSD nodes with the Fuse client and export over NF

Re: [ceph-users] 2TB useable - small business - help appreciated

2016-07-30 Thread Wido den Hollander
> Op 30 juli 2016 om 8:51 schreef Richard Thornton : > > > Hi, > > Thanks for taking a look, any help you can give would be much appreciated. > > In the next few months or so I would like to implement Ceph for my > small business because it sounds cool and I love tinkering. > > The requiremen

[ceph-users] fast-diff map is always invalid

2016-07-30 Thread Christoph Adomeit
Hi there, I upgraded my cluster to jewel recently, built object maps for every image and recreated all snapshots du use fast-diff feature for backups. Unfortunately i am still getting the following error message on rbd du: root@host:/backups/ceph# rbd du vm-208-disk-2 warning: fast-diff map is i