Re: [ceph-users] Cache tier unevictable objects

2017-08-23 Thread Eugen Block
Hi, thanks for your quick response! Do I take it from this that your cache tier is only on one node? If so upgrade the "Risky" up there to "Channeling Murphy". The two SSDs are on two different nodes, but since we just started using cache tier, we decided to use a pool size of 2, we know it'

Re: [ceph-users] Cache tier unevictable objects

2017-08-22 Thread Christian Balzer
On Tue, 22 Aug 2017 09:54:34 + Eugen Block wrote: > Hi list, > > we have a productive Hammer cluster for our OpenStack cloud and > recently a colleague added a cache tier consisting of 2 SSDs and also > a pool size of 2, we're still experimenting with this topic. > Risky, but I guess you

[ceph-users] Cache tier unevictable objects

2017-08-22 Thread Eugen Block
Hi list, we have a productive Hammer cluster for our OpenStack cloud and recently a colleague added a cache tier consisting of 2 SSDs and also a pool size of 2, we're still experimenting with this topic. Now we have some hardware maintenance to do and need to shutdown nodes, one at a time