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From: Xose Vazquez Perez <xose.vazquez@gmail.com>
To: Stefan Haberland <sth@linux.ibm.com>
Cc: Nigel Hislop <hislop_nigel@emc.com>,
	Matthias Rudolph <Matthias.Rudolph@hitachivantara.com>,
	Heiko Carstens <hca@linux.ibm.com>,
	Vasily Gorbik <gor@linux.ibm.com>,
	Alexander Gordeev <agordeev@linux.ibm.com>,
	Christian Borntraeger <borntraeger@linux.ibm.com>,
	Sven Schnelle <svens@linux.ibm.com>,
	Hannes Reinecke <hare@suse.de>, Martin Wilck <mwilck@suse.com>,
	Benjamin Marzinski <bmarzins@redhat.com>,
	Christophe Varoqui <christophe.varoqui@opensvc.com>,
	S390-ML <linux-s390@vger.kernel.org>,
	DM-DEVEL-ML <dm-devel@lists.linux.dev>,
	Nigel Hislop <hislop_nigel@dell.com>
Subject: Re: [PATCH] multipath-tools: fix default blacklist of s390 devices
Date: Fri, 18 Jul 2025 22:54:50 +0200	[thread overview]
Message-ID: <2c83b76c-46cc-4632-a930-d023c7d3d7b0@gmail.com> (raw)
In-Reply-To: <d5e08375-211d-405b-9a00-f44c857cedac@linux.ibm.com>

On 7/14/25 2:38 PM, Stefan Haberland wrote:

>> Is PAV really supported on FBA devices ???
>> And other than 3390 and 3380(3390 model 2/3 in track-compatibility mode) ECKD types ?
> 
> Currently there is no support in the driver for PAV with FBA devices.
> But the devices itself are capable of PAV.

If there is no PAV support for FBA devices on Linux, and it looks like it won't be
implemented even in the distant future. The detection code, and the device, could
be deleted from multipath-tools:
https://github.com/opensvc/multipath-tools/blob/de16cf82c5263fc148118be56ebf44c8f0ee60b8/libmultipath/hwtable.c#L688-L697
https://github.com/opensvc/multipath-tools/blob/de16cf82c5263fc148118be56ebf44c8f0ee60b8/libmultipath/discovery.c#L1674-L1685

Is PAV supported on 9343/9345 (cutype/devtype) ECKD devices?


Thanks.

  reply	other threads:[~2025-07-18 20:54 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-07-12 20:14 [PATCH] multipath-tools: fix default blacklist of s390 devices Xose Vazquez Perez
2025-07-12 22:11 ` Xose Vazquez Perez
2025-07-14 10:50   ` Martin Wilck
2025-07-14 12:38   ` Stefan Haberland
2025-07-18 20:54     ` Xose Vazquez Perez [this message]
2025-07-19 12:34       ` Martin Wilck
2025-07-19 14:36         ` Xose Vazquez Perez
2025-07-14 10:53 ` Martin Wilck
2025-07-14 12:40 ` Stefan Haberland

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