On Thu, Jul 06, 2006 at 08:07:16AM -0500, John Goerzen wrote:
> On Thu, Jul 06, 2006 at 02:39:16PM +0300, Pasi Kärkkäinen wrote:
> > Not always true. Both paths can be active at the same time.. if supported by
> > the SAN array. Then you do also load balancing between the paths..
>
> Quite true, t
On Thu, Jul 06, 2006 at 08:07:16AM -0500, John Goerzen wrote:
> Quite true, though my impression is that this is much more rare. Our
> controller (HP MSA1500cs) seems to have added active/active controllers
> as a recent option.
That's worth knowing.
> I'm not really sure if multipath-tools supp
* John Goerzen ([EMAIL PROTECTED]) wrote:
> On Thu, Jul 06, 2006 at 02:39:16PM +0300, Pasi Kärkkäinen wrote:
> > Not always true. Both paths can be active at the same time.. if supported by
> > the SAN array. Then you do also load balancing between the paths..
>
> Quite true, though my impression
On Thu, Jul 06, 2006 at 02:39:16PM +0300, Pasi Kärkkäinen wrote:
> Not always true. Both paths can be active at the same time.. if supported by
> the SAN array. Then you do also load balancing between the paths..
Quite true, though my impression is that this is much more rare. Our
controller (HP
On Wed, Jul 05, 2006 at 04:06:54PM -0500, John Goerzen wrote:
> On Wed, Jul 05, 2006 at 10:34:41PM +0200, Petter Reinholdtsen wrote:
> > Well, I do not even know what multipath _is_, nor why it is important.
> > If that is representative, I suspect the people interested in
> > multipath have some w
On Wed, Jul 05, 2006 at 04:06:54PM -0500, John Goerzen wrote:
> Now, when you bring up this system, Linux will assign *two* /dev/sdx
> devices for each RAID LUN (basically looks like a disk). At any given
> time, exactly one will be readable and useful. That is, the disk can be
> probed on both c
On Wed, Jul 05, 2006 at 10:34:41PM +0200, Petter Reinholdtsen wrote:
> Well, I do not even know what multipath _is_, nor why it is important.
> If that is representative, I suspect the people interested in
> multipath have some work to do to raise the awareness of the problem.
>
> This email is a
On Wed, Jul 05, 2006 at 10:34:41PM +0200, Petter Reinholdtsen wrote:
> Well, I do not even know what multipath _is_, nor why it is important.
> If that is representative, I suspect the people interested in
> multipath have some work to do to raise the awareness of the problem.
Multipath is for whe
[John Goerzen]
> I'm quite concerned about the poor quality of multipath-tools. This
> is an absolutely vital application for many, required to even get a
> machine to *boot*.
Well, I do not even know what multipath _is_, nor why it is important.
If that is representative, I susp
Hi,
I'm quite concerned about the poor quality of multipath-tools. This is
an absolutely vital application for many, required to even get a machine
to *boot*.
There are a lot of outstanding bugs:
* Fails to run kpartx when it should. This would have been detectable
with a trivial amou
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