Re: [ceph-users] Low speed of write to cephfs

2015-10-15 Thread Max Yehorov
Stas, as you said: "Each server has 15G flash for ceph journal and 12*2Tb SATA disk for" What is this 15G flash and is it used for all 12 SATA drives? On Thu, Oct 15, 2015 at 1:05 PM, John Spray wrote: > On Thu, Oct 15, 2015 at 8:46 PM, Butkeev Stas wrote: >> Thank you for your comment. I know

Re: [ceph-users] Low speed of write to cephfs

2015-10-15 Thread Max Yehorov
rw-r--r-- 1 root root 1048576000 Oct 15 19:03 journal > > /CEPH_JOURNAL/osd/ceph-3: > total 1024000 > -rw-r--r-- 1 root root 1048576000 Oct 15 19:03 journal > ... > -- > Best Regards, > Stanislav Butkeev > > > 15.10.2015, 23:26, "Max Yehorov" : >>

Re: [ceph-users] Cache Tiering Question

2015-10-15 Thread Max Yehorov
I was not able to trigger eviction using percentage settings. I run the hot pool into "cluster is full" and the eviction did not start. As an option a threshold on # of objects did trigger an eviction. Unfortunately it stalled all the writes to the hot pool until the eviction was complete. On Th

[ceph-users] Permission denied when activating a new OSD in 9.1.0

2015-10-23 Thread Max Yehorov
I am trying to add a filestore OSD node to my cluster and got this during ceph-deploy activate. The message still appears when "ceph-disk activate" is run as root. Is this functionality broken in 9.1.0 or is it something misconfigured on my box? And /var/lib/ceph is chown'ed to ceph:ceph. [WARNING

Re: [ceph-users] how to understand deep flatten implementation

2015-10-23 Thread Max Yehorov
I am trying to pass deep-flatten during clone creation and got this: rbd clone --image-feature deep-flatten d0@s0 d1 rbd: image format can only be set when creating or importing an image On Fri, Oct 23, 2015 at 6:27 AM, Jason Dillaman wrote: >> After reading and understanding your mail, i moved

Re: [ceph-users] how to understand deep flatten implementation

2015-10-23 Thread Max Yehorov
#L3449 On Fri, Oct 23, 2015 at 1:53 PM, Max Yehorov wrote: > I am trying to pass deep-flatten during clone creation and got this: > > rbd clone --image-feature deep-flatten d0@s0 d1 > > rbd: image format can only be set when creating or importing an image > > On Fri, Oct 23, 2

[ceph-users] Flatten of mapped image

2016-05-27 Thread Max Yehorov
Hi, If anyone has some insight or comments on the question: Q) Flatten with IO activity For example I have a clone chain: IMAGE(PARENT) image1(-) image2(image1@snap0) image2 is mapped, mounted and has some IO activity. How safe to flatten image2 if it has ongoing IO thanks. ___

Re: [ceph-users] Object Map Costs (Was: Snapshot Costs (Was: Re: Pool Sizes))

2017-03-09 Thread Max Yehorov
re: python library you can do some mon calls using this: ##-- from ceph_argparse import json_command as json_command rados_inst = rados.Rados() cluster_handle = rados_inst.connect() cmd = {'prefix': 'pg dump', 'dumpcontents': ['summary', ], 'format': 'json'} retcode, jsonret, errstr

Re: [ceph-users] Why is librados for Python so Neglected?

2017-03-09 Thread Max Yehorov
There was definitely missing the "list watchers" command. On Wed, Mar 8, 2017 at 4:16 PM, Josh Durgin wrote: > On 03/08/2017 02:15 PM, Kent Borg wrote: >> >> On 03/08/2017 05:08 PM, John Spray wrote: >>> >>> Specifically? >>> I'm not saying you're wrong, but I am curious which bits in particular