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From: Xose Vazquez Perez <xose.vazquez@gmail.com>
To: Brian Bunker <brian@purestorage.com>,
	Martin Wilck <mwilck@suse.com>,
	Benjamin Marzinski <bmarzins@redhat.com>,
	DM-DEVEL ML <dm-devel@lists.linux.dev>
Subject: Re: [PATCH 0/1] pr: add alua path checker
Date: Fri, 13 Mar 2026 01:43:08 +0100	[thread overview]
Message-ID: <8491dc36-0e80-4c2a-bb89-4a8cdcaa3a79@gmail.com> (raw)
In-Reply-To: <20260312001642.53321-1-brian@purestorage.com>

On 3/12/26 1:16 AM, Brian Bunker wrote:

> For ALUA-capable storage arrays, multipath-tools currently uses TUR
> (Test Unit Ready) as the default path checker while a separate
> prioritizer determines ALUA state. When sysfs provides ALUA state
> (the common case), no RTPG command is needed for priority. However,
> if sysfs is unavailable or detect_prio is off, the prioritizer issues
> RTPG, resulting in two SCSI commands per path check cycle: TUR + RTPG.

prio/checker changes should be documented in multipath/multipath.conf.5.in

Thanks.

      parent reply	other threads:[~2026-03-13  0:43 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-03-12  0:16 [PATCH 0/1] checkers: add alua path checker Brian Bunker
2026-03-12  0:16 ` [PATCH 1/1] " Brian Bunker
2026-03-12 16:32   ` Martin Wilck
     [not found]     ` <CAHZQxy+V5YSiHnB5sp8A_jbN_n1OQ633KiDeFa+vXQrNafHzDA@mail.gmail.com>
2026-03-12 19:31       ` Martin Wilck
2026-03-12 19:33     ` Brian Bunker
2026-03-13  0:34     ` Xose Vazquez Perez
2026-03-15  2:37   ` Benjamin Marzinski
2026-03-12  7:10 ` [PATCH 0/1] " Hannes Reinecke
2026-03-12 16:48   ` Martin Wilck
2026-03-12 21:05     ` Xose Vazquez Perez
2026-03-12 19:19   ` Brian Bunker
2026-03-13  0:43 ` Xose Vazquez Perez [this message]

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