From: Christophe Varoqui <christophe.varoqui@free.fr>
To: device-mapper development <dm-devel@redhat.com>
Subject: Re: [ANNOUNCE] block layer (request based) multipath v1
Date: Thu, 20 Oct 2005 15:53:03 +0200 [thread overview]
Message-ID: <20051020135303.GD10778@free.fr> (raw)
In-Reply-To: <4355E5BC.60701@cs.wisc.edu>
On Wed, Oct 19, 2005 at 01:20:44AM -0500, Mike Christie wrote:
> Version 1 and maybe the only version :)
>
...
>
> I think the only items I have left to convert are some of the dm ioctls,
> but that is trivial and the defaults are ok for usage. For example I
> have not implemted a sysfs attr to read/write queue_if_no_path and a
> timeout attr so we do not have to wait forever on it.
>
> Comments???? Should I work with Christophe to convert the userspace tools?
>
Nice,
can libdevmapper event listening mecanisms be replaced by the uevents listener ?
IOW, will all necessary attribute changes be reported as uevents ?
Events needed are :
- multipath topology changes :
- path add/remove (well, this one is guarantied through /block I guess)
- attributes changes
- path state changes / path reinstates
- path group switches
- multipath add/remove (Deduce from /block uevents ?)
Regards,
cvaroqui
next prev parent reply other threads:[~2005-10-20 13:53 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-10-19 6:20 [ANNOUNCE] block layer (request based) multipath v1 Mike Christie
2005-10-20 13:53 ` Christophe Varoqui [this message]
2005-10-20 20:05 ` Mike Christie
2005-10-20 20:08 ` Mike Christie
2005-10-20 20:08 ` Alasdair G Kergon
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