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From: hch@lst.de (Christoph Hellwig)
Subject: [PATCH 1/2] nvme-cli: add minimal ana-log page support
Date: Thu, 26 Jul 2018 11:24:31 +0200	[thread overview]
Message-ID: <20180726092431.GD24335@lst.de> (raw)
In-Reply-To: <20180725144848.GC14596@localhost.localdomain>

On Wed, Jul 25, 2018@08:48:48AM -0600, Keith Busch wrote:
> Adding the RAE option for user space tooling is a good idea. Defaulting to
> on should be safe too (will confirm on older drives),

Is it?  Strictly speaking the bit is reserved for drivers < 1.3, so they
could reject it, even if I doubt anyone does.

> but does re-arming
> the AEN really create a problem for ANA? I thought the log page problem
> was when reading a page changes the result of the next read, but that
> only applies to very few logs.

Yes, for ANA we should be fine.  The only real problem was the changed
namespace log, and we stopped relying on that.

  reply	other threads:[~2018-07-26  9:24 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-25  0:13 [PATCH 1/2] nvme-cli: add minimal ana-log page support Chaitanya Kulkarni
2018-07-25  0:13 ` [PATCH 2/2] nvme-cli add ana-log documentation Chaitanya Kulkarni
2018-07-25  4:53 ` [PATCH 1/2] nvme-cli: add minimal ana-log page support Christoph Hellwig
2018-07-25  6:43   ` Chaitanya Kulkarni
2018-07-25 14:48   ` Keith Busch
2018-07-26  9:24     ` Christoph Hellwig [this message]
2018-07-26 14:29       ` Keith Busch

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