Dnia 27 lip 2011 o godz. 17:52 Sage Weil <sage@xxxxxxxxxxxx> napisał(a): > On Wed, 27 Jul 2011, S?awomir Skowron wrote: >> Hello. I have some questions. >> >> 1. Is there any chance to change default 4MB object size to for >> example 1MB or less ?? > > Yeah. You can use the cephfs to set the default layout on the root > directory, which will apply to any new files. See 'man cephfs'. Ok. Thanks. >> 2. I have create cluster of two mons, and 32 osd (1TB each) on two >> machines. At this radosgw with apache2 for test. When i putting data >> from s3 client to rados, everything is ok, but when one of osd is >> going down all s3 clients going to be freeze for some seconds, before >> ceph sign this osd as down, and then everything is starting working >> again wit degraded osd. How can i tune this marking as a down for ms >> or 0 :) and not for seconds freeze ?? > > The 'osd heartbeat grace' defualt is 20. Stick something like > > osd heartbeat grace = 5 > > in the [osd] section of your ceph.conf Thanks, i will check this in work. > sage > -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
