From: Brian Bunker <[email protected]> Hello all,
It has been some time since we updated our PURE FlashArray configuration. The Linux vendors that we had been seeing in the field were using very old versions of multipath-tools, so we haven’t needed to change anything for some time. With the release of RHEL8, some of our earlier values have been lost by upstream changes. In addition we have our Active Cluster feature which leverages ALUA since our last patch. The ALUA confguration will work for all FlashArrays with or without Active Cluster. We are changing 3 things. 1. ALUA support 2. Fast fail timeout from the default of 5 seconds to 10 seconds (We need this for our FC NPIV port migration). 3. Maximum sector size of 4MB. Some Linux vendors don’t honor the block limits VPD page of INQUIRY). Thanks, Brian Cc: Christophe Varoqui <[email protected]> Cc: DM-DEVEL ML <[email protected]> Signed-off-by: Xose Vazquez Perez <[email protected]> Signed-off-by: Brian Bunker <[email protected]> --- libmultipath/hwtable.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c index 16627ec..9bc59f1 100644 --- a/libmultipath/hwtable.c +++ b/libmultipath/hwtable.c @@ -1039,7 +1039,12 @@ static struct hwentry default_hw[] = { /* FlashArray */ .vendor = "PURE", .product = "FlashArray", - .pgpolicy = MULTIBUS, + .pgpolicy = GROUP_BY_PRIO, + .pgfailback = -FAILBACK_IMMEDIATE, + .hwhandler = "1 alua", + .prio_name = PRIO_ALUA, + .fast_io_fail = 10, + .max_sectors_kb = 4096, }, /* * Huawei -- 2.24.1 Brian Bunker SW Eng [email protected] -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
