From: keith.busch@intel.com (Keith Busch)
Subject: [PATCH] Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers"
Date: Wed, 7 Mar 2018 08:03:45 -0700 [thread overview]
Message-ID: <20180307150344.GE30975@localhost.localdomain> (raw)
In-Reply-To: <1c1332d4-1d92-af8f-974c-2eafcde741f2@suse.de>
On Wed, Mar 07, 2018@02:40:39PM +0100, Hannes Reinecke wrote:
> The nice thing about the holders/slave is that one can discover the
> topology, and potentially figure out any issues (like one path going
> down etc).
I also thought the sysfs hierarchy was useful, but it sounds like causes
more problems than it solves. :(
> How do we detect the topology now?
> Does nvme cli has the functionality?
Not in the way you'd probably like. It can provide all the information
you'd need to put it together, but it doesn't provide a convenient
method to get or visualize it. I'll add a note on the project to fix
that.
WARNING: multiple messages have this Message-ID (diff)
From: Keith Busch <keith.busch@intel.com>
To: Hannes Reinecke <hare@suse.de>
Cc: Christoph Hellwig <hch@lst.de>,
linux-nvme@lists.infradead.org, axboe@kernel.dk,
sagi@grimberg.me, bharat@chelsio.com, sitsofe@gmail.com,
kzak@redhat.com, stable@vger.kernel.org
Subject: Re: [PATCH] Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers"
Date: Wed, 7 Mar 2018 08:03:45 -0700 [thread overview]
Message-ID: <20180307150344.GE30975@localhost.localdomain> (raw)
In-Reply-To: <1c1332d4-1d92-af8f-974c-2eafcde741f2@suse.de>
On Wed, Mar 07, 2018 at 02:40:39PM +0100, Hannes Reinecke wrote:
> The nice thing about the holders/slave is that one can discover the
> topology, and potentially figure out any issues (like one path going
> down etc).
I also thought the sysfs hierarchy was useful, but it sounds like causes
more problems than it solves. :(
> How do we detect the topology now?
> Does nvme cli has the functionality?
Not in the way you'd probably like. It can provide all the information
you'd need to put it together, but it doesn't provide a convenient
method to get or visualize it. I'll add a note on the project to fix
that.
next prev parent reply other threads:[~2018-03-07 15:03 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-07 13:13 [PATCH] Revert "nvme: create 'slaves' and 'holders' entries for hidden controllers" Christoph Hellwig
2018-03-07 13:13 ` Christoph Hellwig
2018-03-07 13:40 ` Hannes Reinecke
2018-03-07 13:40 ` Hannes Reinecke
2018-03-07 15:03 ` Keith Busch [this message]
2018-03-07 15:03 ` Keith Busch
2018-03-07 15:56 ` Sitsofe Wheeler
2018-03-07 15:56 ` Sitsofe Wheeler
2018-03-07 17:18 ` Christoph Hellwig
2018-03-07 17:18 ` Christoph Hellwig
2018-03-07 17:38 ` Keith Busch
2018-03-07 17:38 ` Keith Busch
2018-03-07 17:47 ` Sitsofe Wheeler
2018-03-07 17:47 ` Sitsofe Wheeler
2018-03-07 20:37 ` Keith Busch
2018-03-07 20:37 ` Keith Busch
2018-03-07 21:42 ` Sitsofe Wheeler
2018-03-07 21:42 ` Sitsofe Wheeler
2018-03-08 17:14 ` Sagi Grimberg
2018-03-08 17:14 ` Sagi Grimberg
2018-03-08 22:45 ` Keith Busch
2018-03-08 22:45 ` Keith Busch
2018-03-09 8:51 ` Johannes Thumshirn
2018-03-09 8:51 ` Johannes Thumshirn
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