12:22 p.m.
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Von: Itamar Heim [iheim(a)redhat.com]=0A=
Gesendet: Mittwoch, 18. September 2013 14:04=0A=
An: Markus Stockhausen=0A=
Cc: users; Allon Mureinik=0A=
Betreff: Re: [Users] NFS Domains down because of single node failure=0A=
=0A=
On 09/17/2013 10:01 AM, Markus Stockhausen wrote:=0A=
> Hello,=0A=
>=0A=
> maybe a stupid one but ...=0A=
>=0A=
> When I create a (NFS) storage domain I have to provide a node host that=
=0A=
> makes=0A=
> the inital contact. All other node hosts wil directly connect to that=
=0A=
> domain. So=0A=
> no bottlenecks.=0A=
>=0A=
> Today I stopped one of my two nodes outside ovirt-engine. For simplicit=
y
we=0A=
> assume the node crashed. The machine is up right now but VDSM is
down.=
=0A=
>=0A=
> All domains that where setup with this host are "down" now (red arrow=
=0A=
> down).=0A=
=0A=
the node you used to setup the storage isn't affecting later runs.=0A=
can the remaining node access the storage?=0A=
=0A=
These drive-by errors are really hard ones. Remembering what you did=0A=
before the error and all the time your are close to restarting all cluster =
=0A=
components...=0A=
=0A=
Nevertheless I provided a reproduceble test case. More in=0A=
https://bugzilla.redhat.com/show_bug.cgi?id=3D1009610=0A=
=0A=
Markus=
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