From: Milan Broz <mbroz@redhat.com>
To: mike dentifrice <fluor@poivron.org>
Cc: dm-crypt@saout.de
Subject: Re: [dm-crypt] status of dm-crypt (alignment issues) on a SSD
Date: Thu, 02 Dec 2010 13:08:27 +0100 [thread overview]
Message-ID: <4CF78C3B.1010809@redhat.com> (raw)
In-Reply-To: <20101202114038.GA3149@dentifrice>
On 12/02/2010 12:50 PM, mike dentifrice wrote:
> So far, everything seems good as far as I understnad, but should
> `cryptsetup` have 'queue' strings as well ? Mine (v1.1.3) doesn't. I
> compiled 1.2.0-rc1 and it doesn't either. Is that a stopper of not?
Grepping for queue is not clever idea, sorry.
1.1.3 has topology support, 1.2.0 adds 1MiB default here.
Run luksFormat --debug and you will see topology info read from kernel:
# Topology: IO (512/0), offset = 0; Required alignment is 4096 bytes.
512/0, offset = 0 means min io size / opt io size and offset from sysfs.
For ssd it should be surenly not 512 but something like write block.
Milan
prev parent reply other threads:[~2010-12-02 12:08 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-12-01 14:51 [dm-crypt] status of dm-crypt (alignment issues) on a SSD mike dentifrice
2010-12-02 7:54 ` Luca Berra
2010-12-02 11:44 ` Milan Broz
2010-12-02 11:50 ` mike dentifrice
2010-12-02 12:08 ` Milan Broz [this message]
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