The way LRC works is that is creates an additionnal parity chunk every l OSD. So with k=m=l=2, you will have 2 data chunks, 2 parity chunks and 2 locality parity chunks.
Your ruleset-failure-domain is set to "host", as well as your ruleset-locality, so you will need 6 hosts in order to create the placements groups. You can edit you EC Profile / crushmap to set your ruleset-failure-domain and ruleset-locality to "osd". Adrien On Thu, Feb 25, 2016 at 6:51 AM, Sharath Gururaj <sharat...@flipkart.com> wrote: > Try using more OSDs. > I was encountering this scenario when my osds were equal to k+m > The errors went away when I used k+m+2 > So in your case try with 8 or 10 osds. > > On Thu, Feb 25, 2016 at 11:18 AM, Daleep Singh Bais <daleepb...@gmail.com> > wrote: > >> hi All, >> >> Any help in this regard will be appreciated. >> >> Thanks.. >> Daleep Singh Bais >> >> >> -------- Forwarded Message -------- >> Subject: Erasure code Plugins >> Date: Fri, 19 Feb 2016 12:13:36 +0530 >> From: Daleep Singh Bais <daleepb...@gmail.com> <daleepb...@gmail.com> >> To: ceph-users <ceph-us...@ceph.com> <ceph-us...@ceph.com> >> >> Hi All, >> >> I am experimenting with erasure profiles and would like to understand >> more about them. I created an LRC profile based on * >> <http://docs.ceph.com/docs/master/rados/operations/erasure-code-lrc/>http://docs.ceph.com/docs/master/rados/operations/erasure-code-lrc/ >> <http://docs.ceph.com/docs/master/rados/operations/erasure-code-lrc/>* >> >> The LRC profile created by me is >> >> *ceph osd erasure-code-profile get lrctest1* >> k=2 >> l=2 >> m=2 >> plugin=lrc >> ruleset-failure-domain=host >> ruleset-locality=host >> ruleset-root=default >> >> However, when I create a pool based on this profile, I see a health >> warning in ceph -w ( 128 pgs stuck inactive and 128 pgs stuck unclean). >> This is the first pool in cluster. >> >> As i understand, m is parity bit and l will create additional parity bit >> for data bit k. Please correct me if I am wrong. >> >> Below is output of ceph -w >> >> health HEALTH_WARN >> *128 pgs stuck inactive* >> * 128 pgs stuck unclean* >> monmap e7: 1 mons at {node1=192.168.1.111:6789/0} >> election epoch 101, quorum 0 node1 >> osdmap e928: *6 osds: 6 up, 6 in* >> flags sortbitwise >> pgmap v54114: 128 pgs, 1 pools, 0 bytes data, 0 objects >> 10182 MB used, 5567 GB / 5589 GB avail >> *128 creating* >> >> >> Any help or guidance in this regard is highly appreciated. >> >> Thanks, >> >> Daleep Singh Bais >> >> >> >> _______________________________________________ >> ceph-users mailing list >> ceph-users@lists.ceph.com >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >> >> > > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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