On Mon, Dec 19, 2011 at 4:03 AM, David Dillow <[email protected]> wrote:
> On Thu, 2011-12-01 at 20:13 +0100, Bart Van Assche wrote:
>> Make it possible to disconnect via sysfs the IB RC connection used by the
>> SRP protocol to communicate with a target.
>>
>> Let the SRP transport layer create a sysfs "delete" attribute for
>> initiator drivers that support this functionality.
>
> This will be a nice feature to have, but I wonder about the proper
> behavior. I had thought about having a 'drain' state, where we wouldn't
> start new commands and would let existing ones complete or timeout
> before killing the connection. That may be in addition to a 'kill it
> now' variant.
>
> Though perhaps my gentler delete is best done by having a user script
> walk all of the devices under the host and set them to offline, wait for
> scsi_host/hostX/host_busy to drop to zero, then hit the SRP delete attr.

Sorry, but I disagree. One of the goals of this patch set is to make
fast fail-over possible. Waiting for an error completion or time out
contradicts with that goal.

Bart.
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to