[dm-devel] RDAC path checker status change messages
Mike Snitzer
snitzer at redhat.com
Wed Nov 3 21:09:18 UTC 2010
This patch still seems relevant to upstream multipath-tools and is
available in dm-devel's patchwork here:
https://patchwork.kernel.org/patch/32081/
On Tue, Jun 23 2009 at 3:50pm -0400,
Charlie Brady <charlieb-dm-devel at budge.apana.org.au> wrote:
>
> It seems to me that this patch is required, to fix a problem with
> "path down" messages being logged when the path transitions to up
> (and presumably ghost).
>
> --- libcheckers/rdac.c.orig 2009-06-23 15:38:05.371422000 -0400
> +++ libcheckers/rdac.c 2009-06-23 15:39:28.020843000 -0400
> @@ -105,5 +105,12 @@
> return PATH_DOWN;
> }
>
> - return ((inq.avtcvp & 0x1) ? PATH_UP : PATH_GHOST);
> + if (inq.avtcvp & 0x1) {
> + MSG(c, MSG_RDAC_UP);
> + return PATH_UP;
> + }
> + else {
> + MSG(c, MSG_RDAC_GHOST);
> + return PATH_GHOST;
> + }
> }
>
> --
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