There are just two files I touch, so the patch is simple:
diff -Naur 3/multipath-tools/libmultipath/hwtable.c
4/multipath-tools/libmultipath/hwtable.c
--- 3/multipath-tools/libmultipath/hwtable.c 2016-01-14
17:47:06.000000000 -0800
+++ 4/multipath-tools/libmultipath/hwtable.c 2016-01-14
18:33:45.000000000 -0800
@@ -1166,6 +1166,22 @@
.prio_name = PRIO_ALUA,
.prio_args = NULL,
},
+ {
+ .vendor = "PURE",
+ .product = "FlashArray",
+ .features = DEFAULT_FEATURES,
+ .hwhandler = DEFAULT_HWHANDLER,
+ .selector = "queue-length 0",
+ .pgpolicy = MULTIBUS,
+ .pgfailback = -FAILBACK_IMMEDIATE,
+ .checker_name = TUR,
+ .fast_io_fail = 10,
+ .user_friendly_names = USER_FRIENDLY_NAMES_OFF,
+ .prio_name = DEFAULT_PRIO,
+ .no_path_retry = 0,
+ .dev_loss = 60,
+ .prio_args = NULL,
+ },
/*
* EOL
*/
diff -Naur 3/multipath-tools/multipath.conf.defaults
4/multipath-tools/multipath.conf.defaults
--- 3/multipath-tools/multipath.conf.defaults 2016-01-14
17:47:06.000000000 -0800
+++ 4/multipath-tools/multipath.conf.defaults 2016-01-14
18:35:50.000000000 -0800
@@ -940,6 +940,17 @@
# rr_weight "uniform"
# no_path_retry "queue"
# }
+# device {
+# vendor "PURE"
+# path_selector "queue-length 0"
+# path_grouping_policy "multibus"
+# path_checker "tur"
+# fast_io_fail_tmo 10
+# user_friendly_names "no"
+# no_path_retry 0
+# features 0
+# dev_loss_tmo 60
+# }
#}
#multipaths {
#}
Thanks,
Brian
On Tue, Jan 19, 2016 at 8:48 AM, Christophe Varoqui <
christophe.varo...@opensvc.com> wrote:
> Hi,
>
> and when you are ready, you can post the patch here so I can merge it
> upstream.
>
> Thanks,
> Christophe Varoqui
> OpenSVC
>
> On Tue, Jan 19, 2016 at 5:35 PM, Mauricio Faria de Oliveira <
> mauri...@linux.vnet.ibm.com> wrote:
>
>> On 11/05/2015 04:59 AM, Doron Tal1 wrote:
>>
>>> I would like to know how and what procedure i should follow if i want to
>>> modify or add new settings to the device mapper defaults.
>>>
>>
>> The defaults are in hwtable.c [1].
>>
>> So for example how can i modify existing compiled settings for the
>>> 2810XIV device? in case i want to add a new device and it settings, how
>>> can it be done?
>>>
>>
>> To modify the compiled settings, you have to modify it and recompile.
>>
>> To modify the runtime settings (based on the defaults), you can modify
>> /etc/multipath.conf (see its manpage [2] with 'man multipath.conf').
>>
>> You can verify the the setting values used during multipath discovery
>> with 'multipath -v3' for example, or "multipathd -k'show config'".
>>
>> Hope this might still help at this time,
>>
>> [1]
>> http://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=blob;f=libmultipath/hwtable.c
>> [2]
>> http://git.opensvc.com/gitweb.cgi?p=multipath-tools/.git;a=blob;f=multipath/multipath.conf.5
>>
>> --
>> Mauricio Faria de Oliveira
>> IBM Linux Technology Center
>>
>> --
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>> dm-devel@redhat.com
>> https://www.redhat.com/mailman/listinfo/dm-devel
>>
>
>
> --
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> dm-devel@redhat.com
> https://www.redhat.com/mailman/listinfo/dm-devel
>
--
Brian Bunker
PURE Storage, Inc. <http://www.purestorage.com>
br...@purestorage.com
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