Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-11 Thread ml ml
Hi Vijay, i deleted the Cluster/Datacenter and set it up with two new (physical) Hosts and now the performance looks great. I dunno what i did wrong. Thanks a lot On Mon, Feb 10, 2014 at 6:10 PM, Vijay Bellur vbel...@redhat.com wrote: On 02/09/2014 11:08 PM, ml ml wrote: Yes, the only

Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-10 Thread Vijay Bellur
On 02/09/2014 11:08 PM, ml ml wrote: Yes, the only thing which brings the wirte I/O almost on my Host Level is by enabling viodiskcache = writeback. As far as i can tell this is caching enabled for the guest and the host which is critical if sudden power loss happens. Can i turn this is on if i

Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-09 Thread ml ml
I am on Cent OS 6.5 and i am using: [root@node1 ~]# rpm -qa | grep gluster glusterfs-rdma-3.4.2-1.el6.x86_64 glusterfs-server-3.4.2-1.el6.x86_64 glusterfs-fuse-3.4.2-1.el6.x86_64 glusterfs-libs-3.4.2-1.el6.x86_64 glusterfs-3.4.2-1.el6.x86_64 glusterfs-api-3.4.2-1.el6.x86_64

Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-09 Thread Vijay Bellur
On 02/09/2014 09:11 PM, ml ml wrote: I am on Cent OS 6.5 and i am using: [root@node1 ~]# rpm -qa | grep gluster glusterfs-rdma-3.4.2-1.el6.x86_64 glusterfs-server-3.4.2-1.el6.x86_64 glusterfs-fuse-3.4.2-1.el6.x86_64 glusterfs-libs-3.4.2-1.el6.x86_64 glusterfs-3.4.2-1.el6.x86_64

Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-09 Thread ml ml
Yes, the only thing which brings the wirte I/O almost on my Host Level is by enabling viodiskcache = writeback. As far as i can tell this is caching enabled for the guest and the host which is critical if sudden power loss happens. Can i turn this is on if i have a BBU in my Host System? On

Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-08 Thread ml ml
anyone? On Friday, February 7, 2014, ml ml mliebher...@googlemail.com wrote: Hello List, i set up a Cluster with 2 Nodes and Glusterfs. gluster volume info all Volume Name: Repl2 Type: Replicate Volume ID: 8af9b282-8b60-4d71-a0fd-9116b8fdcca7 Status: Started Number of Bricks: 1 x 2 =

Re: [Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-08 Thread Samuli Heinonen
Hello, What version of GlusterFS you are using? ml ml mliebher...@googlemail.com kirjoitti 8.2.2014 kello 21.24: anyone? On Friday, February 7, 2014, ml ml mliebher...@googlemail.com wrote: Hello List, i set up a Cluster with 2 Nodes and Glusterfs. gluster volume info all

[Users] Very bad write performance in VM (ovirt 3.3.3)

2014-02-07 Thread ml ml
Hello List, i set up a Cluster with 2 Nodes and Glusterfs. gluster volume info all Volume Name: Repl2 Type: Replicate Volume ID: 8af9b282-8b60-4d71-a0fd-9116b8fdcca7 Status: Started Number of Bricks: 1 x 2 = 2 Transport-type: tcp Bricks: Brick1: node1.local:/data Brick2: node2.local:/data