[Gluster-users] gluster and kvm livemigration
Bernhard Glomm
bernhard.glomm at ecologic.eu
Thu Jan 16 12:28:17 UTC 2014
hi Pranith
# gluster volume info fs_vm_atom01
Volume Name: fs_vm_atom01
Type: Replicate
Volume ID: fea9bdcf-783e-442a-831d-f564f8dbe551
Status: Started
Number of Bricks: 1 x 2 = 2
Transport-type: tcp
Bricks:
Brick1: 172.24.1.11:/zp_ping_1/fs_vm_atom01
Brick2: 172.24.1.13:/zp_pong_1/fs_vm_atom01
Options Reconfigured:
diagnostics.client-log-level: ERROR
TIA
Bernhard
On 16.01.2014 13:05:12, Pranith Kumar Karampuri wrote:
> hi Bernhard,
> Could you give gluster volume info output?
>
> Pranith
>
> ----- Original Message -----
> > From: "Bernhard Glomm" <> > bernhard.glomm at ecologic.eu> > >
> > To: > > gluster-users at gluster.org
> > Sent: Thursday, January 16, 2014 4:22:36 PM
> > Subject: [Gluster-users] gluster and kvm livemigration
> >
> > I experienced a strange behavior of glusterfs during livemigration
> > of a qemu-kvm guest
> > using a 10GB file on a mirrored gluster 3.4.2 volume
> > (both on ubuntu 13.04)
> > I run
> > virsh migrate --verbose --live --unsafe --p2p --domain atom01 --desturi
> > qemu+ssh://<target_ip>/system
> > and the migration works,
> > the running machine is pingable and keeps sending pings.
> > nevertheless, when I let the machine touch a file during migration
> > it stops, complaining that it's filesystem is read only (from that moment
> > that
> > migration finished)
> > A reboot from inside the machine failes,
> > machine goes down and comes up with an error
> > unable to write to sector xxxxxx on hd0
> > (than falling into the initrd).
> > a
> > virsh destroy VM && virsh start VM
> > leads to a perfect running VM again,
> > no matter on which of the two hosts I start the machine
> > anybody better experience with livemigration?
> > any hint on a procedure how to debug that?
> > TIA
> > Bernhard
> >
> > --
> >
> >
> > Bernhard Glomm
> > IT Administration
> >
> > Phone: +49 (30) 86880 134
> > Fax: +49 (30) 86880 100
> > Skype: bernhard.glomm.ecologic
> >
> > Ecologic Institut gemeinnützige GmbH | Pfalzburger Str. 43/44 | 10717 Berlin
> > | Germany
> > GF: R. Andreas Kraemer | AG: Charlottenburg HRB 57947 | USt/VAT-IdNr.:
> > DE811963464
> > Ecologic™ is a Trade Mark (TM) of Ecologic Institut gemeinnützige GmbH
> >
> >
> > _______________________________________________
> > Gluster-users mailing list
> > Gluster-users at gluster.org
> > http://supercolony.gluster.org/mailman/listinfo/gluster-users
--
Bernhard Glomm
IT Administration
Phone:
+49 (30) 86880 134
Fax:
+49 (30) 86880 100
Skype:
bernhard.glomm.ecologic
Ecologic Institut gemeinnützige GmbH | Pfalzburger Str. 43/44 | 10717 Berlin | Germany
GF: R. Andreas Kraemer | AG: Charlottenburg HRB 57947 | USt/VAT-IdNr.: DE811963464
Ecologic™ is a Trade Mark (TM) of Ecologic Institut gemeinnützige GmbH
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