From: Sebastian Herbszt <herbszt@gmx.de>
To: Xose Vazquez Perez <xose.vazquez@gmail.com>
Cc: device-mapper development <dm-devel@redhat.com>,
Sebastian Herbszt <herbszt@gmx.de>
Subject: Re: [PATCH 16/18] multipath-tools: Use ALUA for HP 3PAR
Date: Wed, 3 Aug 2016 02:17:25 +0200 [thread overview]
Message-ID: <20160803021725.000063d5@localhost> (raw)
In-Reply-To: <cc29c462-f1d4-f74a-5b16-1236b48b85ea@gmail.com>
Xose Vazquez Perez wrote:
> On 07/31/2016 09:06 PM, Sebastian Herbszt wrote:
>
> > Xose Vazquez Perez wrote:
> >>
> >> No. It's related to hardware_handler, "alua" in this case.
> >
> > So how does the output of 'multipath -ll' looks like for persona 1 and 2
> > with and without 'retain_attached_hw_handler'?
>
> retain_attached_hw_handler is innocuous.
> The paths grouping policy is controlled by the "path_grouping_policy" keyword,
> multibus vs. group_by_prio. See man page.
multibus should equal
path_grouping_policy = group_by_prio
prio = const
> Persona 1 and 2 basically is the same, but:
>
> Persona 1: path_grouping_policy = multibus
> failback = manual
> prio = const
>
> Persona 2: path_grouping_policy = group_by_prio
> failback = immediate
> prio = alua (this is irrelevant, alua-prio is autodetected)
> hardware_handler= "1 alua" (this is irrelevant, all hardware handlers are autodetected)
>
> With 3PAR-OS 3.1.3, or later, you should use "Persona 2"
The above change plus
retain_attached_hw_handler = yes
detect_prio = yes
should work with persona 1 and 2.
Sebastian
next prev parent reply other threads:[~2016-08-03 0:17 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-30 0:28 [PATCH 01/18] multipath-tools: add KOVE/XPD to hwtable Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 02/18] multipath-tools: Remove ONTAP IBM Nseries from hwtable Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 03/18] multipath-tools: reorganize NetApp devices Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 04/18] multipath-tools: add NetApp/SolidFir to hwtable Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 05/18] multipath-tools: add Nimble " Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 06/18] multipath-tools: add IBM/FlashSystem " Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 07/18] multipath-tools: add EMC/Celerra " Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 08/18] multipath-tools: add FUJITSU/ETERNUS 2000/4000/8000 " Xose Vazquez Perez
2016-07-31 19:39 ` Sebastian Herbszt
2016-07-30 0:28 ` [PATCH 09/18] multipath-tools: add VIOLIN/ "SAN ARRAY" and "SAN ARRAY ALUA" " Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 10/18] multipath-tools: add Nexsan E-Series and SATABeast/SATABoy " Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 11/18] multipath-tools: add Xiotech ISE 1400/2400/3400/3401 " Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 12/18] multipath-tools: put a comment in the correct place Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 13/18] multipath-tools: delete nearly all attribute of last member(NULL) in hwtable Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 14/18] multipath-tools: change path grouping policy for EUROLOGC/FC2502 Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 15/18] multipath-tools: add official name to Huawei devices Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 16/18] multipath-tools: Use ALUA for HP 3PAR Xose Vazquez Perez
2016-07-30 22:14 ` Sebastian Herbszt
2016-07-30 23:39 ` Xose Vazquez Perez
2016-07-31 19:06 ` Sebastian Herbszt
2016-07-31 20:43 ` Xose Vazquez Perez
2016-08-03 0:17 ` Sebastian Herbszt [this message]
2016-10-22 17:00 ` Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 17/18] multipath-tools: add HPE StoreVirtual P4000 family to hwtable Xose Vazquez Perez
2016-07-30 0:28 ` [PATCH 18/18] multipath-tools: add Oracle FS " Xose Vazquez Perez
2016-07-31 9:06 ` [PATCH 01/18] multipath-tools: add KOVE/XPD " Christophe Varoqui
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20160803021725.000063d5@localhost \
--to=herbszt@gmx.de \
--cc=dm-devel@redhat.com \
--cc=xose.vazquez@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).