On Tue, 2018-04-10 at 09:15 +0200, Jaco Kroon wrote:
I've not seen additional feedback on this (I may simply not be CCed).
I've applied the patch to one of our hosts where we've had endless IO lockups (with MQ enabled the host died within a day or two, sometimes sub one hour, without it typically ran for about two weeks). With this patch (on top of 4.16) we're now at four days and 17 hours, with IO still going strong (including a mdadm reshape to add a disk, as well as a rebuild on a drive that failed - concurrently on two different arrays, same controller). Very subjective, but the host also feels more responsive under heavy IO load.
What can I do from my side (I've got some development experience) to help push this patch forward?
Hello Jaco,
If you want to follow mpt3sas development please consider to subscribe to the linux-scsi mailing list. Recently Broadcom posted a new mpt3sas patch series. See also https://www.mail-archive.com/linux-scsi@vger.kernel.org/msg72823.html.
Bart.