On Wed, Jun 6, 2018 at 7:51 PM femi adegoke <ovirt@fateknollogee.com> wrote:

There are 2 drives in my install that oVirt is claiming as multipath.
I have tried blacklisting at /etc/multipath/ but that hasn't worked.

We hoped that we have a good way to blacklist local drives in EL 7.5
but it seems that we don't have such way yet. You have to manually
blacklist the devices.

The best way to do this is to add a new file in:

And put there:

blacklist {
    wwid xxxyyy
    wwid yyyzzz

Or many other options documented in:
See https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html-single/dm_multipath/index#config_file_blacklist

You have to reload multipathd after that:

    systemctl reload multipathd

If the devices are already used by the rest of the stack above
multipath I guess you will have to reboot.

We are tracking this issue in:


Any better solutions? I need these 2 drives to be non-multipathed.
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