Hello all. I have to install qemu on one of my ceph nodes to test
somethings. I added there a ceph-giant repository and connceted it to ceph
cluster. The problem is that i need to build from sourcess qemu with rbd
support and there is no librbd1-devel in the ceph repository. Also in the
epel i have
Check firewall rules and selinux. It sometimes is a pain in the ... :)
25 lut 2015 01:46 "Barclay Jameson" napisał(a):
> I have tried to install ceph using ceph-deploy but sgdisk seems to
> have too many issues so I did a manual install. After mkfs.btrfs on
> the disks and journals and mounted th
1) If i want to use cache tier should i use it with ssd journaling or i can
get better perfomance using more ssd GB for cache tier?
2) I've got cluster made of 26x900GB SAS disk with ssd journaling. The
placement groups i've got is 1024. When i add new osd to cluster, my VMs
get io errors and got
I think it's because you have too full osds like in warning message. I had
similiar problem recently and i did:
ceph osd reweight-by-utilization
But first read what this command does. It solved problem for me.
2014-10-20 14:45 GMT+02:00 Harald Rößler :
> Dear All
>
> I have in them moment a iss
You can set lower weight on full osds, or try changing the
osd_near_full_ratio parameter in your cluster from 85 to for example 89.
But i don't know what can go wrong when you do that.
2014-10-20 17:12 GMT+02:00 Wido den Hollander :
> On 10/20/2014 05:10 PM, Harald Rößler wrote:
> > yes, tomorrow
ian Balzer :
> On Mon, 20 Oct 2014 11:07:43 +0200 Leszek Master wrote:
>
> > 1) If i want to use cache tier should i use it with ssd journaling or i
> > can get better perfomance using more ssd GB for cache tier?
> >
> From reading what others on this ML experience