Re: [ceph-users] bluestore compression enabled but no data compressed

2019-03-14 Thread Ragan, Tj (Dr.)
Hi Frank, Did you ever get the 0.5 compression ratio thing figured out? Thanks -TJ Ragan On 23 Oct 2018, at 16:56, Igor Fedotov mailto:ifedo...@suse.de>> wrote: Hi Frank, On 10/23/2018 2:56 PM, Frank Schilder wrote: Dear David and Igor, thank you very much for your help. I have one more

[ceph-users] Compression never better than 50%

2019-03-13 Thread Ragan, Tj (Dr.)
Hi All, I’ve been investigating compression and (long-story-short,) found that I can never get better than 50% compression ratio. My setup: Mimic 13.2.2 OSDs: Bluestore, Sparse files looped to /dev/loop0, lvm to create logical volumes. bluestore_compression_mode: passive Pool: 3-replica,

[ceph-users] Files in CephFS data pool

2019-02-15 Thread Ragan, Tj (Dr.)
Is there anyway to find out which files are stored in a CephFS data pool? I know you can reference the extended attributes, but those are only relevant for files created after ceph.dir.layout.pool or ceph.file.layout.pool attributes are set - I need to know about all the files in a pool.

Re: [ceph-users] ceps-deploy won't install luminous

2017-11-15 Thread Ragan, Tj (Dr.)
ert <hansbog...@gmail.com> wrote: Hi, Can you show the contents of the file, /etc/yum.repos.d/ceph.repo ? Regards, Hans On Nov 15, 2017, at 10:27 AM, Ragan, Tj (Dr.) <tj.ra...@leicester.ac.uk> wrote: Hi All, I feel like I’m doing something silly. I’m spinning up a new cluster, and f

Re: [ceph-users] ceps-deploy won't install luminous

2017-11-15 Thread Ragan, Tj (Dr.)
$ cat /etc/yum.repos.d/ceph.repo [Ceph] name=Ceph packages for $basearch baseurl=http://download.ceph.com/rpm-jewel/el7/$basearch enabled=1 gpgcheck=1 type=rpm-md gpgkey=https://download.ceph.com/keys/release.asc priority=1 [Ceph-noarch] name=Ceph noarch packages

[ceph-users] ceps-deploy won't install luminous

2017-11-15 Thread Ragan, Tj (Dr.)
Hi All, I feel like I’m doing something silly. I’m spinning up a new cluster, and followed the instructions on the pre-flight and quick start here: http://docs.ceph.com/docs/luminous/start/quick-start-preflight/ http://docs.ceph.com/docs/luminous/start/quick-ceph-deploy/ but ceph-deploy

Re: [ceph-users] ceph zstd not for bluestor due to performance reasons

2017-10-27 Thread Ragan, Tj (Dr.)
Hi Haomai, According to the documentation, and a brief test to confirm, the lz4 compression plugin isn’t distributed in the official release. I’ve tried asking google how to add it back to no avail, so how have you added the plugin? Is it simply a matter of putting a symlink in the right