Re: OSD size and performance

gjprabu <gjprabu@xxxxxxxxxxxx> · Wed, 30 Dec 2015 13:58:13 +0530

Hi Somnath,

         Thanks for your reply. Some clients are hang and after reboot it is working. We are using cluster file system OCFS2 for multiple concurrent client  usage.
Also while taking backup from client some time hang. Do we need to take backup for safer side  from client because we have 3 OSD with replica 2.

Regards
Prabu

---- On Wed, 30 Dec 2015 11:33:20 +0530 Somnath Roy <Somnath.Roy@xxxxxxxxxxx>wrote ---- 

FYI , we are using 8TB SSD drive as OSD and not seeing any problem so far. Failure domain could be a concern for bigger OSDs.

Thanks & Regards
Somnath

From: ceph-users [mailto:ceph-users-bounces@xxxxxxxxxxxxxx] On Behalf Of gjprabu
 Sent: Tuesday, December 29, 2015 9:38 PM
 To: ceph-users
 Cc: Siva Sokkumuthu
 Subject: Re:  OSD size and performance

Hi Team,

         Anybody please clarify the below queries.

Regards
Prabu

---- On Tue, 29 Dec 2015 13:03:45 +0530 gjprabu <gjprabu@xxxxxxxxxxxx>wrote ---- 

Hi Team,

We are using ceph with 3 osd and 2 replicas. Each osd size is 13TB and current data is reached to 2.5TB (each osd). Because of this huge size do we face any problem. 

OSD server configuration
Hard disk -- 13TB
RAM -- 96GB 
CPU -- 2 CPU with multi 8 core processor.

Regards
Prabu

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