[ceph-users] slow ssd journal

Hello. Some strange things happen with my ceph installation after I was moved journal to SSD disk. OS: Ubuntu 15.04 with ceph version 0.94.2-0ubuntu0.15.04.1 server: dell r510 with PERC H700 Integrated 512MB RAID cache my cluster have: 1 monitor node 2 OSD nodes with 6 OSD daemons at each server

Re: [ceph-users] slow ssd journal

performance of SSD disk >(10-30k write io)." > >This is not realistic. Try: > >fio --sync=1 --fsync=1 --direct=1 --iodepth=1 --ioengine=aio > >Jan > >On 23 Oct 2015, at 16:31, K K < n...@mail.ru > wrote: >Hello. >Some strange things happen with my cep

Re: [ceph-users] Write throughput drops to zero

I was get same situation at 1gbit network. Try to change mtu 9000 on nic and switch. Do you show cluster configs? -- Kostya суббота, 31 октября 2015г., 02:30 +05:00 от Brendan Moloney < molo...@ohsu.edu> : >Hi, > >I recently got my first Ceph cluster up and running and have been doing some >st

[ceph-users] Slow performance into windows VM

Hello, guys I to face a task poor performance into windows 2k12r2 instance running on rbd (openstack cluster). RBD disk have a size 17Tb. My ceph cluster consist from: - 3 monitors nodes (Celeron G530/6Gb RAM, DualCore E6500/2Gb RAM, Core2Duo E7500/2Gb RAM). Each node have 1Gbit network to fron

Re: [ceph-users] Slow performance into windows VM

rk to the clients from the > storage nodes is fully functional.  The network have been tested by iperf. 950-970Mbit among all nodes in clustes (openstack and ceph) Понедельник, 11 июля 2016, 10:58 +05:00 от Christian Balzer : > > >Hello, > >On Mon, 11 Jul 2016 07:35:02 +0300 K K wrote:

Re: [ceph-users] Slow performance into windows VM

ers: I can't change those parametres on fly: ceph tell osd.* injectargs '--osd_scrub_end_hour=6' osd.0: osd_scrub_end_hour = '6' (unchangeable) osd.1: osd_scrub_end_hour = '6' (unchangeable) osd.2: osd_scrub_end_hour = '6' (unchangeable) ... I try

Re: [ceph-users] Slow performance into windows VM

;: "false", "osd_scrub_auto_repair_num_errors": "5", "osd_scrub_priority": "5", "osd_scrub_cost": "52428800", Christian, can you tell optimal params for my environment? >Понедельник, 11 июля 2016, 12:38 +05:00 от Christian

Re: [ceph-users] Slow performance into windows VM

+deep client io 3909 kB/s rd, 30277 B/s wr, 23 op/s rd, 9 op/s wr Bow I temporary disable deep-scrub via "ceph osd set nodeep-scrub". But performance still poor into VM Понедельник, 11 июля 2016, 12:38 +05:00 от Christian Balzer < ch...@gol.com >: > > >Hello, > >On Mon,

Re: [ceph-users] Slow performance into windows VM

Read 4KB (QD=32) : 32.220 MB/s [ 7866.1 IOPS] Random Write 4KB (QD=32) : 12.564 MB/s [ 3067.4 IOPS] Test : 4000 MB [D: 97.5% (15699.7/16103.1 GB)] (x3) >Понедельник, 11 июля 2016, 12:38 +05:00 от Christian Balzer : > > >Hello, > >On Mon, 11 Jul 2016 09:54:59 +0300 K K wrote: >

Re: [ceph-users] Slow performance into windows VM

tings will only apply to new scrubs, not running ones, as you >found out. > >On Mon, 11 Jul 2016 15:37:49 +0300 K K wrote: > >> >> I have tested windows instance Crystal Disk Mark. Result is: >> >Again, when running a test like this, check with atop/iostat how

Re: [ceph-users] performance decrease after continuous run

Hello. Maybe deep-scrub starting at this time? Четверг, 21 июля 2016, 11:10 +05:00 от Christian Balzer : > > >Hello, > >On Wed, 20 Jul 2016 12:19:07 -0700 Kane Kim wrote: > >> Hello, >> >> I was running cosbench for some time and noticed sharp consistent >> performance decrease at some point.

[ceph-users] radosgw. Strange behavior in 2 zone configuration

Hello, all! I have successfully create 2 zone cluster(se and se2). But my radosgw machines are sending many GET /admin/log requests to each other after put 10k items to cluster via radosgw. It's look like: 2017-03-03 17:31:17.897872 7f21b9083700 1 civetweb: 0x7f222001f660: 10.30.18.24 - - [03/M

Re: [ceph-users] Unable to start rgw after upgrade from hammer to jewel

Hi I faced in those error. After some research I commentded out my custom setting: #rgw zonegroup root pool = se.root #rgw zone root pool = se.root and after those rgw successfully started. Now setting are placed in default pool: .rgw.root >Суббота, 4 марта 2017, 6:40 +05:00 от Gagandeep Arora

[ceph-users] rgw. multizone installation. Many admins requests to each other

"029e0f49-f4dc-4f29-8855-bcc23a8bbcd9", "name": "se2-k12", "endpoints": [ "http:\/\/se2.local:80" ], "log_meta": "false", "log_data": "true", "bucket_index_max_shards": 0, "read_

Re: [ceph-users] Steps to stop/restart entire ceph cluster

Hello,  my cluster didn't have MDS. I recommended add "ceph osd set noout" before shutdown OSD daemons.  I've done those operation tomorrow and my cluster working again.  Пятница, 7 апреля 2017, 13:47 +05:00 от TYLin : > >Hi all, > >We’re trying to stop and then restart our ceph cluster. Our s

[ceph-users] radosgw X-History-Location

Hi all! jewel 10.2.6 release I try to setup "X-History-Location: Arhive". But those function not work. Do anybody know plans to add those option to radosgw? X-Versions-Location working fine. Thanks all -- Konstantin___ ceph-users mailing list ceph