I thought that Ceph evenly distribute client request among replications.
But I've seen example rule set that assign primary replication for ssd and
other two for hdd. Can i assign something like read affinity for
replication? Or Ceph always choose primary replication first except the
primary crash
On 02/11/2014 10:06 AM, JinHwan Hwang wrote:
I thought that Ceph evenly distribute client request among replications.
But I've seen example rule set that assign primary replication for ssd
and other two for hdd. Can i assign something like read affinity for
replication? Or Ceph always choose pri
Hello,
I test my ceph cluster and monitoring the disk utilization while writing
into the cluster.
First I test my disk can write with a speed of 60MB/s using fio (bs=64k
threads=128) when formating it as xfs file system.
After that I integrate it to ceph cluster. During writing data into rbd
image
(2014/02/10 23:33), Alfredo Deza wrote:
On Sat, Feb 8, 2014 at 7:56 AM, Kei.masumoto wrote:
(2014/02/05 23:49), Alfredo Deza wrote:
On Mon, Feb 3, 2014 at 11:28 AM, Kei.masumoto
wrote:
Hi Alfredo,
Thanks for your reply!
I think I pasted all logs from ceph.log, but anyway, I re-executed
"c
On 02/11/2014 06:10 AM, Tim Zhang wrote:
Hello,
I test my ceph cluster and monitoring the disk utilization while
writing into the cluster.
First I test my disk can write with a speed of 60MB/s using fio (bs=64k
threads=128) when formating it as xfs file system.
After that I integrate it to ceph
On Tue, Feb 11, 2014 at 7:57 AM, Kei.masumoto wrote:
> (2014/02/10 23:33), Alfredo Deza wrote:
>>
>> On Sat, Feb 8, 2014 at 7:56 AM, Kei.masumoto
>> wrote:
>>>
>>> (2014/02/05 23:49), Alfredo Deza wrote:
On Mon, Feb 3, 2014 at 11:28 AM, Kei.masumoto
wrote:
>
> Hi Alfredo,
Hi Dietmar,
do you have changed/check the crush-map ?
I've had the same problem with a new cluster until i edit/reedit the
crush-map.
Best
Philipp
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Hi,
If this problem (with stucked active+remapped pgs after
reweight-by-utilisation) affects all ceph configurations or only
specific ones?
If specific: what is the reason in my case? Is this caused by crush
configuration (cluster architecture, crush tunnables, ...), cluster
size, architecture desi
Neither bash completion nor internal completion are yet functioning, no;
there was some work to head in that direction but it was never finished.
On 02/03/2014 02:28 PM, Ben Sherman wrote:
Hello all,
I noticed ceph has an interactive mode.
I did quick search and I don't see that tab completio
> Why would it help? Since it's not that ONE OSD will be primary for all
objects. There will be 1 Primary OSD per PG and you'll probably have a
couple of thousands PGs.
The primary may be across a oversubscribed/expensive link, in which case a
local replica with a common ancestor to the client may
There are a few more options that are in current dev releases for
directing traffic to replicas, but it remains pretty specialized and
probably won't be supported past the direct librados client layer for
Firefly (unless somebody's prioritized it for RGW or RBD that I
haven't heard about).
-Greg
So
Hey all,
I've been planning building myself a server cluster as a sort of hobby
project, and I've decided to use Ceph for its storage system. I have a
few questions, though.
My plan is to build 3 relatively dense servers (20 drive bays each) and
fill each one with relatively consumer equipme
On Wed, 12 Feb 2014, Dominik Mostowiec wrote:
> Hi,
> If this problem (with stucked active+remapped pgs after
> reweight-by-utilisation) affects all ceph configurations or only
> specific ones?
> If specific: what is the reason in my case? Is this caused by crush
> configuration (cluster architectu
On 02/11/2014 08:03 PM, Ethan Levine wrote:
Hey all,
Hi!
I've been planning building myself a server cluster as a sort of hobby
project, and I've decided to use Ceph for its storage system. I have a
few questions, though.
My plan is to build 3 relatively dense servers (20 drive bays each) a
> do you have changed/check the crush-map ?
The crush map is OK (not changed).
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I'm new to Ceph, and looking for a new storage to replace legacy system.
My system has a lot of files accessing temporarily for 2 or 3 days.
Those files are uploaded from many clients everyday, and batch job deletes
unused files everyday.
In this case, can I use Ceph's pool to store daily uploade
Hi Lee
You could use an Ceph RBD device on a server and export a directory that
you would have created on this RBD though NFS.
3 days after the files are uploade, you could snapshot the RBD device,
delete the directory containing the files, and a week later, when sure you
do not need the snapshot
I am unable to start my OSDs on one node:
> osd/PGLog.cc: 672: FAILED assert(last_e.version.version < e.version.version)
Does that mean there is something wrong with my journal disk? Or why can such
thing happen?
Here is the OSD log:
...
2014-02-12 07:04:39.376993 7f8236afe780 0 cls/hello/cls
Hi Lopez,
Thank you for recommendation! I will try to do it. :)
Regards,
Hyangtack
On Wed, Feb 12, 2014 at 2:28 PM, Jean-Charles Lopez wrote:
> Hi Lee
>
> You could use an Ceph RBD device on a server and export a directory that
> you would have created on this RBD though NFS.
>
> 3 days after t
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