Hi Xose, Group by serial sure can make sense for hardware not capable of multibus.
Can you or Hannes (listed as maintainer for IBM) confirm the concerned IBM arrays are multibus capable ? Best regards, Christophe Varoqui OpenSVC On Thu, Aug 18, 2016 at 7:58 PM, Xose Vazquez Perez <[email protected]> wrote: > It doesn't make any sense to have, by default, GROUP_BY_SERIAL in real > hardware. > > Cc: Hannes Reinecke <[email protected]> > Cc: Christophe Varoqui <[email protected]> > Cc: device-mapper development <[email protected]> > Signed-off-by: Xose Vazquez Perez <[email protected]> > --- > libmultipath/hwtable.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c > index aa3ea9b..72b5e1d 100644 > --- a/libmultipath/hwtable.c > +++ b/libmultipath/hwtable.c > @@ -443,7 +443,7 @@ static struct hwentry default_hw[] = { > /* DS4200 / FAStT200 */ > .vendor = "IBM", > .product = "^3542", > - .pgpolicy = GROUP_BY_SERIAL, > + .pgpolicy = MULTIBUS, > .pgfailback = FAILBACK_UNDEF, > }, > { > @@ -451,7 +451,7 @@ static struct hwentry default_hw[] = { > .vendor = "IBM", > .product = "^2105", > .no_path_retry = NO_PATH_RETRY_QUEUE, > - .pgpolicy = GROUP_BY_SERIAL, > + .pgpolicy = MULTIBUS, > .pgfailback = FAILBACK_UNDEF, > }, > { > -- > 2.7.4 > >
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