[dm-devel] DM manual failback doesn't work on RHEL5

[Malahal Naineni]

Yanqing_Liu at Dell.com [Yanqing_Liu at Dell.com] wrote:
>    Hi all,
>     
>    In our testing with DM RDAC stack with RHEL 5 (including 5.5 and 5.4), we
>    found that manual failback doesn't work as expected.
>     
>    What we did is to connect the host to Dell PowerVault 3200/i array. After
>    everything is configured, we changed "failback" value for our device from
>    "immediate" to "manual". Then the host is rebooted for the new value to
>    take effect. However, automatic failback still happens once failed path is
>    restored. It seems failback "manual" doesn't work.

There are few cases where you need to re-build your initrd if you change
multipath.conf file. What does the loaded table say? Does it indicate
that the failback mechanism is 'manual'?

Thanks, Malahal.