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From: Christoph Hellwig <hch@lst.de>
To: Johannes Thumshirn <jthumshirn@suse.de>
Cc: Christoph Hellwig <hch@lst.de>, Jens Axboe <axboe@kernel.dk>,
	Keith Busch <keith.busch@intel.com>,
	Sagi Grimberg <sagi@grimberg.me>,
	linux-nvme@lists.infradead.org, linux-block@vger.kernel.org
Subject: Re: nvme multipath support V2
Date: Wed, 20 Sep 2017 16:55:46 +0200	[thread overview]
Message-ID: <20170920145546.GB4709@lst.de> (raw)
In-Reply-To: <20170920110959.hwvujtis6ywnbb5p@linux-x5ow.site>

On Wed, Sep 20, 2017 at 01:09:59PM +0200, Johannes Thumshirn wrote:
> Using your patchset and doing the sanme double connect trick I get the same
> two block devices of cause.
> 
> How do I connect using both paths?

Same as above.  But now in addition to the /dev/nvmeXnY devices you
should also see a /dev/nvme/nsZ device.  The sysfs entry for it shows
which paths it belongs to.

WARNING: multiple messages have this Message-ID (diff)
From: hch@lst.de (Christoph Hellwig)
Subject: nvme multipath support V2
Date: Wed, 20 Sep 2017 16:55:46 +0200	[thread overview]
Message-ID: <20170920145546.GB4709@lst.de> (raw)
In-Reply-To: <20170920110959.hwvujtis6ywnbb5p@linux-x5ow.site>

On Wed, Sep 20, 2017@01:09:59PM +0200, Johannes Thumshirn wrote:
> Using your patchset and doing the sanme double connect trick I get the same
> two block devices of cause.
> 
> How do I connect using both paths?

Same as above.  But now in addition to the /dev/nvmeXnY devices you
should also see a /dev/nvme/nsZ device.  The sysfs entry for it shows
which paths it belongs to.

  reply	other threads:[~2017-09-20 14:55 UTC|newest]

Thread overview: 66+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-09-18 23:14 nvme multipath support V2 Christoph Hellwig
2017-09-18 23:14 ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 1/9] nvme: allow timed-out ios to retry Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 2/9] block: move REQ_NOWAIT Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 3/9] block: add REQ_DRV bit Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 4/9] block: provide a direct_make_request helper Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 5/9] block: add a blk_steal_bios helper Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 6/9] nvme: track subsystems Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-21 22:52   ` Keith Busch
2017-09-21 22:52     ` Keith Busch
2017-09-18 23:14 ` [PATCH 7/9] nvme: introduce a nvme_ns_ids structure Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-20  8:27   ` Johannes Thumshirn
2017-09-20  8:27     ` Johannes Thumshirn
2017-09-18 23:14 ` [PATCH 8/9] nvme: track shared namespaces Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-20  8:36   ` Johannes Thumshirn
2017-09-20  8:36     ` Johannes Thumshirn
2017-09-20 14:54     ` Christoph Hellwig
2017-09-20 14:54       ` Christoph Hellwig
2017-09-21  5:22       ` Johannes Thumshirn
2017-09-21  5:22         ` Johannes Thumshirn
2017-09-21 14:37         ` Christoph Hellwig
2017-09-21 14:37           ` Christoph Hellwig
2017-09-21 15:16           ` Keith Busch
2017-09-21 15:16             ` Keith Busch
2017-09-24 15:25             ` Christoph Hellwig
2017-09-24 15:25               ` Christoph Hellwig
2017-09-18 23:14 ` [PATCH 9/9] nvme: implement multipath access to nvme subsystems Christoph Hellwig
2017-09-18 23:14   ` Christoph Hellwig
2017-09-20  0:18   ` Tony Yang
2017-09-20  0:18     ` Tony Yang
2017-09-20  8:15     ` Johannes Thumshirn
2017-09-20  8:15       ` Johannes Thumshirn
2017-09-20  9:42   ` Johannes Thumshirn
2017-09-20  9:42     ` Johannes Thumshirn
2017-09-20 22:58   ` Keith Busch
2017-09-20 22:58     ` Keith Busch
2017-09-20 23:52     ` Christoph Hellwig
2017-09-20 23:52       ` Christoph Hellwig
2017-09-21 21:12       ` Keith Busch
2017-09-21 21:12         ` Keith Busch
2017-09-24 14:42         ` Christoph Hellwig
2017-09-24 14:42           ` Christoph Hellwig
2017-09-22 15:09   ` Keith Busch
2017-09-22 15:09     ` Keith Busch
2017-09-24 14:48     ` Christoph Hellwig
2017-09-24 14:48       ` Christoph Hellwig
2017-09-20 11:09 ` nvme multipath support V2 Johannes Thumshirn
2017-09-20 11:09   ` Johannes Thumshirn
2017-09-20 14:55   ` Christoph Hellwig [this message]
2017-09-20 14:55     ` Christoph Hellwig
2017-09-21  5:23     ` Johannes Thumshirn
2017-09-21  5:23       ` Johannes Thumshirn
2017-09-21 14:50       ` Christoph Hellwig
2017-09-21 14:50         ` Christoph Hellwig
2017-09-22  0:21         ` Tony Yang
2017-09-22  0:21           ` Tony Yang
2017-09-24 14:41           ` Christoph Hellwig
2017-09-24 14:41             ` Christoph Hellwig

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