3:37 p.m.
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> Von: Itamar Heim [iheim(a)redhat.com]=0A=
> Gesendet: Donnerstag, 30. Januar 2014 21:25=0A=
> An: Markus Stockhausen; ovirt-users=0A=
> Betreff: Re: [Users] Migration failed (previous migrations succeded)=0A=
> =0A=
>=0A=
> Now I' getting serious problems. During the migration the VM was=0A=
> doing a rather slow download at 1,5 MB/s. So the memory changed=0A=
> by 15 MB per 10 seconds. No wonder that a check every 10 seconds=0A=
> was not able to see any progress. Im scared what will happen if I=0A=
> want to migrate a medium loaded system runing a database.=0A=
>=0A=
> Any tip for a parametrization?=0A=
>=0A=
> Markus=0A=
>=0A=
=0A=
what's the bandwidth? default is up to 30MB/sec, to allow up to 3 VMs to=
=0A=
migrate on 1Gb without congesting it.=0A=
you could raise that if you have 10GB, or raise the bandwidth cap and=0A=
reduce max number of concurrent VMs, etc.=0A=
=0A=
My migration network is IPoIB 10GBit. During our tests only one VM =0A=
was migrated. Bandwidth cap or number of concurrent VMs has not=0A=
been changed after default install. =0A=
=0A=
Is migration_max_bandwidth in /etc/vdsm/vdsm.conf still the right place?=0A=
And what settings do you suggest?=0A=
=0A=
Markus=0A=
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