On 04/14/15 10:14, Hannes Reinecke wrote:
What we can try is to listen to uevents for the device capacity change or ALUA state changes, and retry the read capacity for those events.
Any mechanism that relies on uevents would be asynchronous. We need a way to ensure that the capacity data is up to date before any application starts using that data. In this context that means before multipath starts queueing I/O to a path. This might be challenging when processing uevents asynchronously ...
Bart. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
