You can find related codes at osd/PG.cc. It's used to control the state of PG. On Wed, Aug 13, 2014 at 5:17 PM, yuelongguang <fastsync at 163.com> wrote: > 2014-08-11 10:17:04.591497 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[5.63( > empty local-les=153 n=0 ec=81 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591501 7f0eb2b8f700 5 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] enter Started > 2014-08-11 10:17:04.591501 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[2.65( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591505 7f0eb2b8f700 5 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] enter Start > 2014-08-11 10:17:04.591508 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[1.66( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591509 7f0eb2b8f700 1 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] state<Start>: transitioning to Primary > 2014-08-11 10:17:04.591513 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[3.64( > empty local-les=153 n=0 ec=76 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591517 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[4.63( > empty local-les=153 n=0 ec=79 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591518 7f0eb2b8f700 5 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] exit Start 0.000013 0 0.000000 > 2014-08-11 10:17:04.591521 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[4.6c( > empty local-les=153 n=0 ec=79 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591524 7f0eb2b8f700 5 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] enter Started/Primary > 2014-08-11 10:17:04.591526 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[1.68( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591529 7f0eb2b8f700 5 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] enter Started/Primary/Peering > 2014-08-11 10:17:04.591531 7f0ec9b4f7a0 10 osd.0 pg_epoch: 153 pg[1.6b( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 inactive] null > 2014-08-11 10:17:04.591535 7f0eb2b8f700 5 osd.0 pg_epoch: 155 pg[0.10( > empty local-les=153 n=0 ec=1 les/c 153/153 152/152/152) [0] r=0 lpr=153 > crt=0'0 mlcod 0'0 peering] enter Started/Primary/Peering/GetInfo > > hi,all > pg's state changes , Start --> Started/Primary....-> > Started/Primary/Peering/GetInfo . > why is that? what makes it do such change, and it is which thread handles > the change? the code > > > thanks > > > > _______________________________________________ > ceph-users mailing list > ceph-users at lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > -- Best Regards, Wheat
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