From: Keith Busch <kbusch@kernel.org>
To: Hannes Reinecke <hare@suse.de>
Cc: Hannes Reinecke <hare@kernel.org>, Christoph Hellwig <hch@lst.de>,
Sagi Grimberg <sagi@grimberg.me>,
linux-nvme@lists.infradead.org
Subject: Re: [PATCH 2/3] nvme-multipath: cannot disconnect controller on stuck partition scan
Date: Wed, 9 Oct 2024 11:10:00 -0600 [thread overview]
Message-ID: <Zwa46LdLSS7WoMFf@kbusch-mbp> (raw)
In-Reply-To: <3b8ff898-9529-4506-8c5d-0fcf3423730f@suse.de>
On Wed, Oct 09, 2024 at 08:23:45AM +0200, Hannes Reinecke wrote:
> With my testcase _all_ paths return NS_NOT_READY during partition scan, so
> I/O is constantly bounced between paths, and partition scan never returns.
> Doesn't matter where you call it, it's stuck.
I'm trying to recreate this so just want to clarify the return status.
NS_NOT_READY isn't a path error, so doesn't use failover. It eventually
exhausts its retries, so I don't see a problem with that status.
If I synthesize a pathing error though, then yeah, I can recreate a
problem.
next prev parent reply other threads:[~2024-10-09 17:48 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-10-07 10:01 [PATCH 0/3] nvme-multipath: fix deadlock in device_add_disk() Hannes Reinecke
2024-10-07 10:01 ` [PATCH 1/3] nvme-multipath: simplify loop in nvme_update_ana_state() Hannes Reinecke
2024-10-07 15:46 ` Keith Busch
2024-10-08 6:39 ` Christoph Hellwig
2024-10-20 23:33 ` Sagi Grimberg
2024-10-07 10:01 ` [PATCH 2/3] nvme-multipath: cannot disconnect controller on stuck partition scan Hannes Reinecke
2024-10-07 18:19 ` Keith Busch
2024-10-08 6:43 ` Christoph Hellwig
2024-10-08 7:17 ` Hannes Reinecke
2024-10-08 20:41 ` Keith Busch
2024-10-09 6:23 ` Hannes Reinecke
2024-10-09 16:33 ` Keith Busch
2024-10-09 17:10 ` Keith Busch [this message]
2024-10-09 17:32 ` Keith Busch
2024-10-10 6:16 ` Hannes Reinecke
2024-10-10 7:18 ` Hannes Reinecke
2024-10-10 8:17 ` Christoph Hellwig
2024-10-10 8:57 ` Hannes Reinecke
2024-10-15 14:33 ` Keith Busch
2024-10-15 14:56 ` Hannes Reinecke
2024-10-15 15:10 ` Keith Busch
2024-10-20 23:37 ` Sagi Grimberg
2024-10-07 10:01 ` [PATCH 3/3] nvme-multipath: skip failed paths during " Hannes Reinecke
2024-10-08 6:40 ` Christoph Hellwig
2024-10-20 23:38 ` Sagi Grimberg
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