On Fri, 31 Aug 2012, Andrew Thompson wrote: > On 8/31/2012 12:10 PM, Sage Weil wrote: > > On Fri, 31 Aug 2012, Andrew Thompson wrote: > > > Have you been reweight-ing osds? I went round and round with my cluster a > > > few days ago reloading different crush maps only to find that it > > > re-injecting a crush map didn't seem to overwrite reweights. Take a look > > > at `ceph osd tree` to see if the reweight column matches the weight > > > column. > > Note that the ideal situation is for reweight to be 1, regardless of what > > the crush weight is. If you find the utilizations are skewed, I would > > look for other causes before resorting to reweight-by-utilization; it is > > meant to adjust the normal statistical variation you expect from a > > (pseudo)random placement, but if the variance is high there is likely > > another cause. > > So if someone(me, guilty) had been messing with reweight, will setting them > all to 1 return it to a normal un-reweight-ed state? Yep! :) 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
