Re: [ceph-users] Effect of tunables on client system load

2017-06-14 Thread Nathanial Byrnes
d to access the disks as RBDs. That sort of VM usage is > just not how Ceph was designed to host VM disks. I know this doesn't > answer your question, but I feel like you should have been asking a > different question. > > On Tue, Jun 13, 2017 at 9:43 PM Nathanial Byrnes wrote

Re: [ceph-users] Effect of tunables on client system load

2017-06-13 Thread Nathanial Byrnes
e into how Xen is attaching to Ceph vs gluster Anyway, thanks again! Nate On Tue, Jun 13, 2017 at 5:30 PM, Gregory Farnum wrote: > > > On Thu, Jun 8, 2017 at 11:11 PM Nathanial Byrnes wrote: > >> Hi All, >>First, some background: >>I have be

[ceph-users] Effect of tunables on client system load

2017-06-08 Thread Nathanial Byrnes
Hi All, First, some background: I have been running a small (4 compute nodes) xen server cluster backed by both a small ceph (4 other nodes with a total of 18x 1-spindle osd's) and small gluster cluster (2 nodes each with a 14 spindle RAID array). I started with gluster 3-4 years ago, at

Re: [ceph-users] kernel RBD where is /dev/rbd?

2016-07-23 Thread Nathanial Byrnes
10:15 AM, Ruben Kerkhof wrote: On Sat, Jul 23, 2016 at 3:58 PM, Nathanial Byrnes wrote: Hi All, I'm working with a debian 8.5 new install and I'm trying to, without installing any additional software, mount an RBD image on my cluster using the kernel module. When I run: /bin/echo 1

[ceph-users] kernel RBD where is /dev/rbd?

2016-07-23 Thread Nathanial Byrnes
Hi All, I'm working with a debian 8.5 new install and I'm trying to, without installing any additional software, mount an RBD image on my cluster using the kernel module. When I run: /bin/echo 10.88.28.23 name=admin,secret= xcp-vol-pool1 proxy-img1 > /sys/bus/rbd/add I see the following

Re: [ceph-users] 5 pgs of 712 stuck in active+remapped

2016-07-08 Thread Nathanial Byrnes
Thanks for the pointer, I didn't know the answer, but now I do, and unfortunately, XenServer is relying on the kernel module. It's surprising that their latest release XenServer 7 which was released on the 6th of July is only using kernel 3.10 ... I guess since it is based upon CentOS 7 and tha

[ceph-users] 5 pgs of 712 stuck in active+remapped

2016-07-07 Thread Nathanial Byrnes
Hello, I've got a Jewel Cluster (3 nodes, 15 OSD's) running with bobtail tunables (my xenserver cluster uses 3.10 as the kernel and there's no upgrading that). I started the cluster out on Hammer, upgraded to Jewel, discovered that optimal tunables would not work, and then set the tuna