Thanks. 2011/7/27 Wido den Hollander <wido@xxxxxxxxx>: > Hi, > > On Wed, 2011-07-27 at 07:58 +0200, Sławomir Skowron wrote: >> Hello. I have some questions. >> >> 1. Is there any chance to change default 4MB object size to for >> example 1MB or less ?? > > If you are using the filesystem, you can change the stripe-size per > directory with the "cephfs" tool. Unfortunately i only use rados layer in this case, and i even don't have any mds :) is there any chance to change this in rados layer ?? >> >> 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 ?? > > Normally a OSD should be down within about 10 seconds and shouldn't > affect all I/O operations. > > By default it takes 300 seconds before a OSD gets marked as "out", this > is handled by "mon osd down out interval" > > If you want to change the "down" reporting behaviour you could do this > with "osd min down reporters" and "osd min down reports". I'm not sure > you really want to do this, as the default values should be ok. Ok. I will check this. > Wido > >> >> My setup is debian 6.0, kernel 2.6.37.6 x86_64 and ceph version >> 0.31-10 from stable repo. >> >> Best regards >> >> Slawomir Skowron >> -- >> 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 > > > -- ----- Pozdrawiam Sławek "sZiBis" Skowron -- 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
