From: Dave Hansen <haveblue-r/Jw6+rmf7HQT0dZR+AlfA@public.gmane.org>
To: "Eric W. Biederman" <ebiederm-aS9lmoZGLiVWk0Htik3J/w@public.gmane.org>
Cc: Linux Containers
<containers-qjLDD68F18O7TbgM5vRIOg@public.gmane.org>,
Paul Menage <menage-hpIqsD4AKlfQT0dZR+AlfA@public.gmane.org>,
Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
Subject: Re: [RFC][PATCH] Devices visibility container
Date: Wed, 26 Sep 2007 08:36:12 -0700 [thread overview]
Message-ID: <1190820972.26982.359.camel@localhost> (raw)
In-Reply-To: <m13ax2eut7.fsf-T1Yj925okcoyDheHMi7gv2pdwda3JcWeAL8bYrjMMd8@public.gmane.org>
On Tue, 2007-09-25 at 07:30 -0600, Eric W. Biederman wrote:
> Pavel Emelyanov <xemul-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org> writes:
> >
> > Oh! Can you provide us an example when after the migration some
> > device's major+minor pair change on the same device?
>
> SCSI disks on a SAN. Network accessible block devices.
> All kinds of logical/virtual devices like ttys, the loop device, and
> ramdisks.
>
> It isn't especially frequent that something cares, but fundamentally
> the same issues apply.
To be clear, this just covers cases where an application has
_internalized_ the device number, right?
Most applications should be pretty happy with the devices having
persistent device names across a restart, and we can do that with udev
and no kernel patching.
-- Dave
next prev parent reply other threads:[~2007-09-26 15:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-09-24 8:28 [RFC][PATCH] Devices visibility container Pavel Emelyanov
[not found] ` <46F77523.9020001-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-09-24 9:55 ` Cedric Le Goater
[not found] ` <46F78982.2000901-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2007-09-24 11:47 ` Pavel Emelyanov
2007-09-24 14:39 ` Serge E. Hallyn
[not found] ` <20070924143915.GA30195-6s5zFf/epYLPQpwDFJZrxKsjOiXwFzmk@public.gmane.org>
2007-09-24 14:58 ` Pavel Emelyanov
[not found] ` <46F7D082.7090304-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-09-24 15:20 ` Serge E. Hallyn
[not found] ` <20070924152001.GB30195-6s5zFf/epYLPQpwDFJZrxKsjOiXwFzmk@public.gmane.org>
2007-09-24 15:31 ` Pavel Emelyanov
[not found] ` <46F7D86D.3060106-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-09-24 15:51 ` Serge E. Hallyn
[not found] ` <20070924155139.GC30195-6s5zFf/epYLPQpwDFJZrxKsjOiXwFzmk@public.gmane.org>
2007-09-24 15:57 ` Cedric Le Goater
[not found] ` <46F7DE58.1020505-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2007-09-24 16:18 ` Serge E. Hallyn
2007-09-24 15:32 ` Kirill Korotaev
[not found] ` <46F7D8A6.8040303-3ImXcnM4P+0@public.gmane.org>
2007-09-24 16:53 ` Serge E. Hallyn
2007-09-24 16:47 ` Eric W. Biederman
[not found] ` <m1r6kodn7t.fsf-T1Yj925okcoyDheHMi7gv2pdwda3JcWeAL8bYrjMMd8@public.gmane.org>
2007-09-25 7:48 ` Pavel Emelyanov
[not found] ` <46F8BD33.5040108-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-09-25 13:30 ` Eric W. Biederman
[not found] ` <m13ax2eut7.fsf-T1Yj925okcoyDheHMi7gv2pdwda3JcWeAL8bYrjMMd8@public.gmane.org>
2007-09-26 15:36 ` Dave Hansen [this message]
2007-09-26 19:09 ` Eric W. Biederman
[not found] ` <m1641xuttx.fsf-T1Yj925okcoyDheHMi7gv2pdwda3JcWeAL8bYrjMMd8@public.gmane.org>
2007-09-27 15:46 ` Dave Hansen
2007-09-25 12:25 ` Cedric Le Goater
[not found] ` <46F8FE34.4020703-NmTC/0ZBporQT0dZR+AlfA@public.gmane.org>
2007-09-25 13:43 ` Eric W. Biederman
2007-09-25 7:53 ` Paul Menage
[not found] ` <6599ad830709250053m715a1848mf6c17a6dd321092-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2007-09-25 8:00 ` Pavel Emelyanov
[not found] ` <46F8C007.1090000-GEFAQzZX7r8dnm+yROfE0A@public.gmane.org>
2007-09-25 11:20 ` Cedric Le Goater
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