Re: [ceph-users] recommendations for erasure coded pools and profile question

2014-06-03 Thread Loic Dachary
Hi Kenneth, On 03/06/2014 14:11, Kenneth Waegeman wrote:> > - Message from Loic Dachary - >Date: Fri, 23 May 2014 07:37:22 +0200 >From: Loic Dachary > Subject: Re: [ceph-users] recommendations for erasure coded pools and profile > question >

Re: [ceph-users] recommendations for erasure coded pools and profile question

2014-06-03 Thread Kenneth Waegeman
- Message from Loic Dachary - Date: Fri, 23 May 2014 07:37:22 +0200 From: Loic Dachary Subject: Re: [ceph-users] recommendations for erasure coded pools and profile question To: Kenneth Waegeman , ceph-users Hi Kenneth, In the case of erasure coded pools, the

Re: [ceph-users] recommendations for erasure coded pools and profile question

2014-05-22 Thread Loic Dachary
Hi Kenneth, In the case of erasure coded pools, the "Replicas" should be replaced by "K+M". $ ceph osd erasure-code-profile get myprofile k=2 m=1 plugin=jerasure technique=reed_sol_van ruleset-failure-domain=osd You have K+M=3 I proposed a fix to the documentation https://github.com/ceph/ceph/

[ceph-users] recommendations for erasure coded pools and profile question

2014-05-22 Thread Kenneth Waegeman
Hi, How can we apply the recommendations of the number of placement groups onto erasure-coded pools? (OSDs * 100) Total PGs = Replicas Shoudl we set replica = 1, or should it be set against some EC parameters? Also a question about the EC profiles. I