* feature="1 queue_if_no_path" vs. no_path_retry=queue
@ 2011-09-16 22:47 Oren Held
2011-09-20 3:05 ` Kiyoshi Ueda
0 siblings, 1 reply; 2+ messages in thread
From: Oren Held @ 2011-09-16 22:47 UTC (permalink / raw)
To: dm-devel
Hi,
According to all docs I've read, and some code, the following settings seem to have the same effect:
1. Setting features = "1 queue_if_no_path"
2. Setting no_path_retry = "queue"
Now that's confusing, especially when having conflicting configuration, e.g., from hwtable.c:
/* IBM DS4100 */
.vendor = "IBM",
.product = "1724",
.features = "1 queue_if_no_path",
.no_path_retry = 300,
It's not clear enough what would be the resulting behavior of this configuration.
Did I get it right? Is there a reason for keeping the features = "1 queue_if_no_path" option available in multipath-tools?
Thanks
Regards
- Oren
^ permalink raw reply [flat|nested] 2+ messages in thread* Re: feature="1 queue_if_no_path" vs. no_path_retry=queue
2011-09-16 22:47 feature="1 queue_if_no_path" vs. no_path_retry=queue Oren Held
@ 2011-09-20 3:05 ` Kiyoshi Ueda
0 siblings, 0 replies; 2+ messages in thread
From: Kiyoshi Ueda @ 2011-09-20 3:05 UTC (permalink / raw)
To: device-mapper development
Hi,
Oren Held wrote:
> Hi,
>
> According to all docs I've read, and some code, the following settings seem to have the same effect:
> 1. Setting features = "1 queue_if_no_path"
> 2. Setting no_path_retry = "queue"
>
> Now that's confusing, especially when having conflicting configuration, e.g., from hwtable.c:
> /* IBM DS4100 */
> .vendor = "IBM",
> .product = "1724",
> .features = "1 queue_if_no_path",
> .no_path_retry = 300,
>
> It's not clear enough what would be the resulting behavior of this configuration.
>
> Did I get it right? Is there a reason for keeping the features = "1 queue_if_no_path" option available in multipath-tools?
See http://marc.info/?l=dm-devel&m=124572577028515&w=2
Thanks,
Kiyoshi Ueda
> Thanks
>
> Regards
>
> - Oren
^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-09-16 22:47 feature="1 queue_if_no_path" vs. no_path_retry=queue Oren Held
2011-09-20 3:05 ` Kiyoshi Ueda
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