On 04/29/2016 12:25 AM, Sebastian Herbszt wrote: > Hannes Reinecke wrote: >> Signed-off-by: Hannes Reinecke <h...@suse.de> >> --- >> libmultipath/hwtable.c | 12 ++++++------ >> 1 file changed, 6 insertions(+), 6 deletions(-) > > You missed to also change multipath.conf.defaults. > >> diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c >> index 28ee595..4549268 100644 >> --- a/libmultipath/hwtable.c >> +++ b/libmultipath/hwtable.c >> @@ -65,13 +65,13 @@ static struct hwentry default_hw[] = { >> .vendor = "3PARdata", >> .product = "VV", >> .features = DEFAULT_FEATURES, >> - .hwhandler = DEFAULT_HWHANDLER, >> - .pgpolicy = MULTIBUS, >> - .pgfailback = FAILBACK_UNDEF, >> + .hwhandler = "1 alua", >> + .pgpolicy = GROUP_BY_PRIO, >> + .pgfailback = -FAILBACK_IMMEDIATE, >> .rr_weight = RR_WEIGHT_NONE, >> - .no_path_retry = NO_PATH_RETRY_UNDEF, >> - .checker_name = DEFAULT_CHECKER, >> - .prio_name = DEFAULT_PRIO, >> + .no_path_retry = 18, >> + .checker_name = TUR, >> + .prio_name = PRIO_ALUA, >> .prio_args = NULL, >> }, >> { > > Can you please elaborate on this? > I think the correct setting depends on the configured > "host persona". Currently the expected value would be > "Generic / 1". The patch changes it to "Generic-ALUA / 2". > Does the above change still work if the "host persona" is > not modified and still set to "Generic / 1"? > I have never ever _seen_ an 3Par array, so I wasn't aware that you could switch host 'persona'. So I have to rely on our partners (ie HPE) for correct configuration here. But given that fact we should better switch back to use the default hw_handler and use the 'retain_attached_hw_handler' option.
Cheers, Hannes -- Dr. Hannes Reinecke Teamlead Storage & Networking h...@suse.de +49 911 74053 688 SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton HRB 21284 (AG Nürnberg) -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel