[dm-devel] [PATCH 0/9] Add protocol specific config subsection
Martin Wilck
martin.wilck at suse.com
Tue Apr 12 13:18:36 UTC 2022
On Tue, 2022-04-12 at 12:31 +0200, Martin Wilck wrote:
> On Mon, 2022-04-11 at 20:59 -0500, Benjamin Marzinski wrote:
> > Some storage arrays can be accessed using multiple protocols at the
> > same
> > time. I've have customers request the ability to set different
> > values
> > for the path specific timeouts, like fast_io_fail_tmo, based on the
> > protocol used to access the path. In order to make this possible,
> > this
> > patchset adds a new protocol subsection to the device subsection
> > and
> > the
> > overrides section. This allows users to set a device config's path
> > specific timeouts, such as dev_loss_tmo, fast_io_fail_tmo, and
> > eh_deadline on a per-protocol basis.
>
> Sigh... I am not happy about this amount of additional complexity in
> the multipath configuration.
I'll postpone a detailed review of patch 03 ff. of this series until
we agree how the user-facing side should look like.
Martin
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