[ceph-users] Replace OSD drive without remove/re-add OSD

Hi, May I know if it's possible to replace an OSD drive without removing / re-adding back the OSD? I want to avoid the time and the excessive I/O load which will happen during the recovery process at the time when: - the OSD is removed; and - the OSD is being put back into the cluster. I read Da

[ceph-users] ceph editable failure domains

Hello everybody, I'm making some tests with ceph and its editable cluster map and I'm trying to define a "rack" layer for its hierarchy in this way: ceph osd tree: # id weight type name up/down reweight -1 0.84 root default -7 0.28 rack rack1 -2 0.14 host cephosd1-dev 0 0.14 osd.0 up 1 -3 0.14 ho

Re: [ceph-users] Replace OSD drive without remove/re-add OSD

On 05/02/2014 03:27 PM, Indra Pramana wrote: > Hi, > > May I know if it's possible to replace an OSD drive without removing / > re-adding back the OSD? I want to avoid the time and the excessive I/O > load which will happen during the recovery process at the time when: > > - the OSD is removed; a

Re: [ceph-users] Replace OSD drive without remove/re-add OSD

On 2014.05.02 16:01, Andrey Korolyov wrote: > On 05/02/2014 03:27 PM, Indra Pramana wrote: >> Hi, >> >> May I know if it's possible to replace an OSD drive without removing / >> re-adding back the OSD? I want to avoid the time and the excessive I/O >> load which will happen during the recovery proc

[ceph-users] Manual emperor monitor installation hangs at ceph-mon --mkfs

Hello, I have been trying the manual installation method of a ceph monitor (emperor release) with the goal of integrating ceph installation with a configuration management utility. I pretty much followed the docs at http://ceph.com/docs/master/install/manual-deployment/ but for me the 'ceph

[ceph-users] Migrate system VMs from local storage to CEPH

Hi. I was wondering what would be correct way to migrate system VMs (storage,console,VR) from local storage to CEPH. I'm on CS 4.2.1 and will be soon updating to 4.3... Is it enough to just change global setting system.vm.use.local.storage = true, to FALSE, and then destroy system VMs (cloudstac

[ceph-users] help to tune ceph

Hi to all, I need your help to understand how to tune my ceph configuration to achieve some performance result. my installation is built as follow: 5 server with 16gb ram and 8 core 5 client (same machine) Each computer is connected with a 1gb/s ethernet to the same switch. The device storage

[ceph-users] ceph mom help

Hello All, I am using “ceph-deploy” to setup my ceph cluster with 3 nodes. I am getting an error when running “sudo ceph-deploy mon create gfsnode5”. Would you someone please give me a pointer what the problem is? Thanks in advance! -Jimmy [cuser@gfsnode5 my-cluster]$ sudo ceph-deploy mon cr

Re: [ceph-users] ceph mom help

This is a possible bug which was resolved. It was due to leveldb version. My node is already running on version 1.12. [root@gfsnode5 my-cluster]# rpm -qa | grep -i leveldb leveldb-1.12.0-3.el6.x86_64 [root@gfsnode5 my-cluster]# Thanks, Jimmy From: J L mailto:j...@yahoo-inc.com>> Date: Friday

Re: [ceph-users] ceph mom help

That¹s what it looks like ­ I¹d go back to 1.7, sorry about that. Ian R. Colle Director of Engineering Inktank Delivering the Future of Storage http://www.linkedin.com/in/ircolle http://www.twitter.com/ircolle Cell: +1.303.601.7713 Email: i...@inktank.com On 5/2/14, 12:30 PM, "Jimmy Lu" wrote:

[ceph-users] Rados Gateway pagination

Hi All, Someone knows if the rados-gw does have pagination support on S3 API? I'm using S3 Object to browse my structure, then it's too slow to list one bucket that have too much objects. Thanks, Fabricio ___ ceph-users mailing list ceph-users@lists.

Re: [ceph-users] ceph mom help

I was able to dig up an archive of an IRC chat from Sage. The suggestion from the chat was to downgrade leveldb from 1.12 to 1.7.0. After the downgrade, I was able to run . -Jimmy From: J L mailto:j...@yahoo-inc.com>> Date: Friday, May 2, 2014 at 11:30 AM To: "ceph-us...@ceph.com

[ceph-users] Ceph User Committee elections

Hi, It is time for the first elections of the Ceph User Committee ! I've enjoyed the position for the past six months. It is a little time consuming (about eight hours a week) but it's also a great opportunity to be in the center of the storage (r)evolution. If you're tempted, feel free to add

Re: [ceph-users] ceph editable failure domains

On 5/2/14 05:15 , Fabrizio G. Ventola wrote: Hello everybody, I'm making some tests with ceph and its editable cluster map and I'm trying to define a "rack" layer for its hierarchy in this way: ceph osd tree: # id weight type name up/down reweight -1 0.84 root default -7 0.28 rack rack1 -2 0.14

Re: [ceph-users] Replace OSD drive without remove/re-add OSD

Sorry forgot to cc the list. On 3 May 2014 08:00, "Indra Pramana" wrote: > Hi Andrey, > > I actually wanted to try this (instead of remove and readd OSD) to avoid > remapping of PGs to other OSDs and the unnecessary I/O load. > > Are you saying that doing this will also trigger remapping? I thou