From: Paolo Bonzini <pbonzini@redhat.com>
To: Christoph Hellwig <hch@infradead.org>, Martin Wilck <mwilck@suse.com>
Cc: Hannes Reinecke <hare@suse.de>, Kevin Wolf <kwolf@redhat.com>,
dm-devel@lists.linux.dev, hreitz@redhat.com, mpatocka@redhat.com,
snitzer@kernel.org, bmarzins@redhat.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH 0/2] dm mpath: Interface for explicit probing of active paths
Date: Thu, 15 May 2025 13:14:13 +0200 [thread overview]
Message-ID: <bbe13eae-63c4-4f1d-b510-517d5e8d6a28@redhat.com> (raw)
In-Reply-To: <aCQh4NeXtLLCQeVN@infradead.org>
On 5/14/25 06:53, Christoph Hellwig wrote:
>> And no, passing the SCSI devices to the VM and doing multipath in the
>> the guest doesn't work. The transport layer isn't properly emulated
>> (bluntly speaking, we have no FC emulation).
>
> Then fix that. Because without it you will be in never ending pain
> due to impedance mismatch.
FC HBAs don't even expose enough of the protocol to actually do it
sensibly, so that can't really be done. Hannes tried.
Paolo
next prev parent reply other threads:[~2025-05-15 11:14 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-04-29 16:50 Kevin Wolf
2025-04-29 16:50 ` [PATCH 1/2] dm: Allow .prepare_ioctl to handle ioctls directly Kevin Wolf
2025-04-29 23:22 ` Benjamin Marzinski
2025-05-08 13:50 ` Martin Wilck
2025-04-29 16:50 ` [PATCH 2/2] dm mpath: Interface for explicit probing of active paths Kevin Wolf
2025-04-29 23:22 ` Benjamin Marzinski
2025-05-08 13:51 ` [PATCH 0/2] " Martin Wilck
2025-05-12 13:46 ` Mikulas Patocka
2025-05-13 7:06 ` Martin Wilck
2025-05-12 15:18 ` Kevin Wolf
2025-05-13 5:55 ` Christoph Hellwig
2025-05-13 6:09 ` Hannes Reinecke
2025-05-13 6:14 ` Christoph Hellwig
2025-05-13 6:32 ` Hannes Reinecke
2025-05-13 6:49 ` Christoph Hellwig
2025-05-13 8:17 ` Martin Wilck
2025-05-14 4:53 ` Christoph Hellwig
2025-05-15 11:14 ` Paolo Bonzini [this message]
2025-05-13 16:29 ` Benjamin Marzinski
2025-05-14 4:56 ` Christoph Hellwig
2025-05-14 6:39 ` Hannes Reinecke
2025-05-14 16:01 ` Benjamin Marzinski
2025-05-16 5:52 ` Christoph Hellwig
2025-05-13 9:29 ` Kevin Wolf
2025-05-13 15:43 ` Paolo Bonzini
2025-05-14 4:57 ` Christoph Hellwig
2025-05-14 16:23 ` Benjamin Marzinski
2025-05-14 17:37 ` Martin Wilck
2025-05-15 2:53 ` Paolo Bonzini
2025-05-15 10:34 ` Martin Wilck
2025-05-15 10:51 ` Paolo Bonzini
2025-05-15 14:50 ` Martin Wilck
2025-05-15 14:29 ` Benjamin Marzinski
2025-05-15 15:00 ` Martin Wilck
2025-05-16 5:57 ` Christoph Hellwig
2025-05-13 6:30 ` Hannes Reinecke
2025-05-13 18:09 ` Benjamin Marzinski
2025-05-13 8:00 ` Martin Wilck
2025-05-13 10:06 ` Martin Wilck
2025-05-14 21:21 ` Martin Wilck
2025-05-15 10:11 ` Kevin Wolf
2025-05-15 11:09 ` Paolo Bonzini
2025-05-15 15:18 ` Martin Wilck
2025-05-15 15:05 ` Martin Wilck
2025-05-16 6:00 ` Christoph Hellwig
2025-05-16 16:06 ` Benjamin Marzinski
2025-05-19 5:32 ` Christoph Hellwig
2025-05-19 18:24 ` Benjamin Marzinski
2025-05-28 20:44 ` Martin Wilck
2025-05-19 10:06 ` Kevin Wolf
2025-05-19 17:33 ` Martin Wilck
2025-05-20 13:46 ` Christoph Hellwig
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