[dm-devel] [PATCH] multipath-tools: document why dev_loss_tmo is set to infinity for HPE 3PAR

[Xose Vazquez Perez]

It's needed by Peer Persistence, documented in SLES and RHEL guides:
https://support.hpe.com/hpsc/doc/public/display?docId=a00053835
https://support.hpe.com/hpsc/doc/public/display?docId=c04448818

Cc: Christophe Varoqui <christophe.varoqui at opensvc.com>
Cc: DM-DEVEL ML <dm-devel at redhat.com>
Signed-off-by: Xose Vazquez Perez <xose.vazquez at gmail.com>
---
 libmultipath/hwtable.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
index d3a8d9b..543bacd 100644
--- a/libmultipath/hwtable.c
+++ b/libmultipath/hwtable.c
@@ -116,6 +116,7 @@ static struct hwentry default_hw[] = {
 		.prio_name     = PRIO_ALUA,
 		.no_path_retry = 18,
 		.fast_io_fail  = 10,
+		/* infinity is needed by Peer Persistence */
 		.dev_loss      = MAX_DEV_LOSS_TMO,
 	},
 	{
-- 
2.19.2