[ovirt-users] Disable Multipathing?
daniel.helgenberger at m-box.de
Tue May 26 21:03:10 UTC 2015
On 26.05.2015 20:14, Kiril L wrote:
> Multipath makes mounting HDDs harder not to mention emergency mode and
> "device-mapper: table: 253:6: multipath: error getting device
There was a discussion about this quite recently ; reading this might
be inserting, too. The reason for this is the general 'to fit everyone'
approach of the default multipath.conf.
> I do not have multiple paths to the storage. In my case can i disable
> Multipath - is there a right way to do it or i have to use black
You can blacklist everything, no problem. But you need make some changes
to your mulipath.conf. Please just add the lines and do not remove or
disable any services:
to the second line (2) in multipath.conf, add
# RHEV PRIVATE
to keep host-deploy from overwriting the file.
Then, somewhere in the file:
Then, you need to run:
multipath -d -v3
to test (it should now list all devices as blacklisted) and if successful:
Effectively blacklisting everything while dm-multipah continues to run.
Please note, if you are running oVirt node, you also need to run
Also, you have to do this on every host in your data centers naturally.
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