Re: [ANNOUNCE] multipath-tools-0.3.4

Selon Arjan van de Ven <arjan@xxxxxxxxxxxxx>:

> On Mon, 2004-10-25 at 00:14 +0200, christophe varoqui wrote:
>
> >     * multipath & multipathd now use the same path checkers.
> >       Consequence being multipath now need sg loaded
>
> why sg and not using SG_IO on the actual devices ?
> mp-tools are 2.6 only anyway, right ?
>
Glad you notice :)

In fact all the sg stuff I use is done with the SG_IO ioctl (see
libcheckers/*.c)
But somehow, it doesn't work as expected. I don't remember how exactly it failed
in my tests but it did ... I remembered receiving bad path status and
experiencing blocked checkers.

I would really like someone experienced put his nose in this stuff. If you want,
I can code up a flag to switch the mp-tools ioctl submission between blockdev
and sgdev.

Note you don't need to have real multipathed hardware to run and test the thing
: parallel SCSI hw suffice and is seen as monopath.

regards,
cvaroqui
--
-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html