based on documentation provided by manufacturer:
https://drive.google.com/open?id=0B_B6YmEmO7cDQlMzc1BsaUxZRVU

- Red Hat Enterprise Linux 5.x for Concerto 7x00
vendor "VIOLIN"
product "CONCERTO ARRAY"
path_grouping_policy group_by_prio
getuid_callout "/sbin/scsi_id -p 0x80 -g -u -s /block/%n"
prio_callout "/sbin/mpath_prio_alua /dev/%n"
path_checker tur
path_selector "round-robin 0"
hardware_handler "1 alua"
failback immediate
rr_weight uniform
no_path_retry 300
rr_min_io 4
features "1 queue_if_no_path"

- Red Hat Enterprise Linux 6.x for Concerto 7100/7200
vendor "VIOLIN"
product "CONCERTO ARRAY"
path_grouping_policy multibus
getuid_callout "/lib/udev/scsi_id -g -u /dev/%n"
path_checker tur
path_selector "round-robin 0"
prio alua
rr_min_io 100
rr_weight priorities
failback immediate
features "1 queue_if_no_path"

- Red Hat Enterprise Linux 6.x for Violin 7300
vendor "VIOLIN"
product "CONCERTO ARRAY"
path_selector "round-robin 0"
path_grouping_policy multibus
getuid_callout "/lib/udev/scsi_id -p 0x80 -g -u /dev/%n"
prio alua
path_checker tur
rr_min_io 100
rr_weight priorities
failback immediate
features "1 queue_if_no_path"
no_path_retry 300

- Red Hat Enterprise Linux 7.x for Violin 7300
vendor "VIOLIN"
product "CONCERTO ARRAY"
path_selector "round-robin 0"
path_grouping_policy multibus
prio alua
path_checker tur
rr_min_io 100
rr_weight priorities
failback immediate
features "1 queue_if_no_path"
no_path_retry 300

- SUSE Enterprise Linux 11 SP3 for Violin 7300
vendor "VIOLIN"
product "CONCERTO ARRAY"
path_selector "round-robin 0"
path_grouping_policy multibus
getuid_callout "/lib/udev/scsi_id -p 0x80 -g -u /dev/%n"
prio "alua"
path_checker "tur"
rr_min_io 100
rr_weight priorities
failback immediate
features "1 queue_if_no_path"
no_path_retry 300

Cc: Benjamin Marzinski <[email protected]>
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 | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/libmultipath/hwtable.c b/libmultipath/hwtable.c
index 66b5123..a9cd080 100644
--- a/libmultipath/hwtable.c
+++ b/libmultipath/hwtable.c
@@ -1176,6 +1176,25 @@ static struct hwentry default_hw[] = {
                .checker_name  = TUR,
        },
        /*
+        * Violin Memory, Inc.
+        *
+        * Maintainer : Christophe Varoqui
+        * Mail : [email protected]
+        */
+       {
+               .vendor        = "VIOLIN",
+               .product       = "CONCERTO ARRAY",
+               .selector      = "round-robin 0",
+               .pgpolicy      = MULTIBUS,
+               .prio_name     = PRIO_ALUA,
+               .checker_name  = TUR,
+               .minio         = 100,
+               .rr_weight     = priorities,
+               .pgfailback    = -FAILBACK_IMMEDIATE,
+               .features      = "1 queue_if_no_path",
+               .no_path_retry = 300,
+       },
+       /*
         * EOL
         */
        {
-- 
2.5.5

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