On Tue, 2021-09-28 at 18:52 +0200, Xose Vazquez Perez wrote: > ALUA is supported since the beginning: > https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/scsi/device_handler/scsi_dh_alua.c?id=057ea7c9683c3d684128cced796f03c179ecf1c2#n683 > > ... the DS8000 is an Asymmetric Logical Unit Access (ALUA) capable > storage array, > pag#160(144): https://www.redbooks.ibm.com/redbooks/pdfs/sg248887.pdf > > kernel log: > https://marc.info/?l=linux-scsi&m=156407413807511&q=mbox > > Cc: Martin Wilck <mwilck@xxxxxxxx> > Cc: Benjamin Marzinski <bmarzins@xxxxxxxxxx> > Cc: Christophe Varoqui <christophe.varoqui@xxxxxxxxxxx> > Cc: DM-DEVEL ML <dm-devel@xxxxxxxxxx> > Signed-off-by: Xose Vazquez Perez <xose.vazquez@xxxxxxxxx> Thanks for the careful investigation! Reviewed-by: Martin Wilck <mwilck@xxxxxxxx> > --- > libmultipath/hwtable.c | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > > diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c > index 72f81c60..f115c4f9 100644 > --- a/libmultipath/hwtable.c > +++ b/libmultipath/hwtable.c > @@ -656,7 +656,8 @@ static struct hwentry default_hw[] = { > .vendor = "IBM", > .product = "^2107900", > .no_path_retry = NO_PATH_RETRY_QUEUE, > - .pgpolicy = MULTIBUS, > + .pgpolicy = GROUP_BY_PRIO, > + .pgfailback = -FAILBACK_IMMEDIATE, > }, > { > // Storwize V5000 and V7000 lines / SAN Volume > Controller (SVC) / Flex System V7000 / -- dm-devel mailing list dm-devel@xxxxxxxxxx https://listman.redhat.com/mailman/listinfo/dm-devel
