12:41 a.m.
Underlying FS is XFS
GlusterFS - glusterfs-3.5.0-2.el6
I'm using CentOS, if this is problem could RHEL
packages be used? why CentOS packages are compiled
without native glusterfs support?
Citējot Paul Robert Marino <prmarino1(a)gmail.com> :
What's the underlying filesystem for gluster is
it XFS?
What version of gluster are you using?
What distro are you using and if its not RHEL
or Fedora are you using a version of
QEMU with
gluster support compiled in keep in mind the
versions with CentOS and Scientific Linux do not
include Gluster native support compiled in.
-- Sent from my HP Pre3
On May 11, 2014 5:40, Vadims Korsaks
<truckk(a)inbox.lv> wrote:
Citējot Vijay Bellur <vbellur(a)redhat.com> :
> On 05/11/2014 02:04 AM, Vadims Korsaks wrote:
> > HI!
> >
> > Created 2 node setup with oVirt 3.4 and
CentOS 6.5, for storage created
> > 2 node replicated gluster (3.5) fs on same
hosts with oVirt.
> > mount looks like this:
> > 127.0.0.1:/gluster01 on
> >
/rhev/data-center/mnt/glusterSD/127.0.0.1:_gluster01
type fuse.glusterfs
> >
(rw,default_permissions,allow_other,max_read=131072)
> >
> > when i making gluster test with dd, something
like
> > dd if=/dev/zero bs=1M count=20000
> >
of=/rhev/data-center/mnt/glusterSD/127.0.0.1\:_gluster01/kaka
> > i'm gettting speed ~ 110 MB/s, so this is
1Gbps speed of ethernet adapter
> >
> > but with in VM created in oVirt speed is
lower than 20 MB/s
> >
> > why there is so huge difference?
> > how can improve VMs disks speed?
> >
>
> What are your gluster volume settings? Have you
applied the following
> performance tunables in gluster's virt profile:
>
> eager-lock=enable
> remote-dio=enable
>
> Regards,
> Vijay
>
setting were:
[root@centos155 ~]# gluster volume info gluster01
Volume Name: gluster01
Type: Replicate
Volume ID: 436edaa3-ac8b-421f-aa35-68b5bd7064b6
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 10.2.75.152:/mnt/gluster01/brick
Brick2: 10.2.75.155:/mnt/gluster01/brick
Options Reconfigured:
storage.owner-gid: 36
storage.owner-uid: 36
add your settings settings now it looks
[root@centos155 ~]# gluster volume info gluster01
Volume Name: gluster01
Type: Replicate
Volume ID: 436edaa3-ac8b-421f-aa35-68b5bd7064b6
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 10.2.75.152:/mnt/gluster01/brick
Brick2: 10.2.75.155:/mnt/gluster01/brick
Options Reconfigured:
network.remote-dio: enable
cluster.eager-lock: enable
storage.owner-gid: 36
storage.owner-uid: 36
but this didn't affected performace in any big way
should hosts to be restarted?
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