From: Christoph Hellwig <hch@lst.de>
To: Klaus Jensen <its@irrelevant.dk>
Cc: Christoph Hellwig <hch@lst.de>,
Luis Chamberlain <mcgrof@kernel.org>,
Keith Busch <kbusch@kernel.org>, Sagi Grimberg <sagi@grimberg.me>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique
Date: Fri, 8 Apr 2022 18:10:52 +0200 [thread overview]
Message-ID: <20220408161052.GA28661@lst.de> (raw)
In-Reply-To: <b395277c-5721-4773-9bbc-13cfbc1b0401@www.fastmail.com>
On Fri, Apr 08, 2022 at 09:19:04AM +0200, Klaus Jensen wrote:
> Odd indeed. With “legacy/single namespace” setup (drive parameter directly on the nvme device), the uuid, eui64 and nguid should be zeroed.
>
> Using the new -device nvme-ns, QEMU will randomize the uuid. However the eui64 will be more static and only differ with the namespace id so it will not be unique across subsystems (this needs fixing in QEMU).
Well, if that is the case we'll need to quirk the affeced qemu versions
as duplicate global ids must not happen. Can you help to come up
with a heuristic to catch to affected versions?
next prev parent reply other threads:[~2022-04-08 16:11 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-02-24 19:28 properly validate the nvme uniqueue identifiers are unique v2 Christoph Hellwig
2022-02-24 19:28 ` [PATCH 1/4] nvme: cleanup __nvme_check_ids Christoph Hellwig
2022-02-24 22:50 ` Chaitanya Kulkarni
2022-02-24 19:28 ` [PATCH 2/4] nvme: fix the check for duplicate unique identifiers Christoph Hellwig
2022-02-24 22:51 ` Chaitanya Kulkarni
2022-02-24 19:28 ` [PATCH 3/4] nvme: check for duplicate identifiers earlier Christoph Hellwig
2022-02-24 22:52 ` Chaitanya Kulkarni
2022-02-24 19:28 ` [PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique Christoph Hellwig
2022-02-24 22:54 ` Chaitanya Kulkarni
2022-04-08 1:04 ` Luis Chamberlain
2022-04-08 5:29 ` Christoph Hellwig
2022-04-08 7:19 ` Klaus Jensen
2022-04-08 16:10 ` Christoph Hellwig [this message]
2022-04-08 17:46 ` Luis Chamberlain
2022-04-11 5:05 ` Christoph Hellwig
2022-04-11 5:54 ` Christoph Hellwig
2022-04-11 6:01 ` Klaus Jensen
2022-04-11 6:09 ` Christoph Hellwig
2022-04-11 6:11 ` Klaus Jensen
2022-04-12 18:46 ` Luis Chamberlain
2022-04-18 23:30 ` Alan Adamson
2022-04-20 7:36 ` Christoph Hellwig
2022-06-06 20:35 ` Alan Adamson
2022-06-06 21:38 ` Keith Busch
2022-06-06 21:51 ` Alan Adamson
2022-06-06 21:58 ` Keith Busch
2022-06-06 23:11 ` Alan Adamson
2022-06-07 19:01 ` Keith Busch
2022-06-08 7:48 ` Christoph Hellwig
2022-06-08 7:52 ` Christoph Hellwig
2022-06-08 18:11 ` Alan Adamson
2022-06-08 19:04 ` Keith Busch
2022-06-09 0:30 ` Chaitanya Kulkarni
2022-06-09 15:11 ` Alan Adamson
2022-06-09 3:53 ` Christoph Hellwig
2022-06-10 0:27 ` Alan Adamson
2022-06-10 14:12 ` Keith Busch
2022-06-15 20:15 ` Alan Adamson
2022-06-17 9:01 ` Christoph Hellwig
2022-06-21 18:40 ` Alan Adamson
2022-06-21 19:11 ` Keith Busch
2022-06-21 20:39 ` Alan Adamson
2022-06-22 11:00 ` Christoph Hellwig
2022-06-22 15:45 ` Alan Adamson
2022-02-24 19:38 ` properly validate the nvme uniqueue identifiers are unique v2 Keith Busch
-- strict thread matches above, loose matches on Subject: below --
2022-06-05 1:58 [PATCH 4/4] nvme: check that EUI/GUID/UUID are globally unique Stefan
2022-06-06 6:40 ` Christoph Hellwig
2022-06-06 12:42 ` Stefan
2022-06-06 15:03 ` Christoph Hellwig
2022-06-06 14:51 ` Keith Busch
2022-06-06 15:06 ` Christoph Hellwig
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