On Thu, Feb 03, 2022 at 06:31:52PM +0200, Nir Soffer wrote:
> This is expected on oVirt, our multipath configuration is intentionally 
> grabbing
> any device that multipath can work with, even if the device only has one path.
> The motivation is to be able to configure a system when only one path is
> available (maybe you have an hba/network/server issue), and once the other
> paths are available the system will use them transparently.
> 
> To avoid this issue with local devices, you need to blacklist the device.
> 
> Add this file:
> 
> $ cat /etc/multipath/conf.d/local.conf
> blacklist {
>     wwid "QEMU HARDDISK"
> }

Thanks - for the mailing list record the syntax that worked for me is:

# cat /etc/multipath/conf.d/local.conf
blacklist {
    wwid ".*QEMU_HARDDISK.*"
}

> Configuring NFS on some other machine is easy.
> 
> I'm using another VM for this, so I can easily test negative flows like 
> stopping
> or restarting the NFS server while it is being used by vms or storage
> operations.
> I'm using 2G alpine vm for this, it works fine even with 1G memory.

I think I can get local storage working now (I had it working before).

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
Read my programming and virtualization blog: http://rwmj.wordpress.com
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