From: "Dan Kegel" <dank@kegel.com>
To: LVM general discussion and development <linux-lvm@redhat.com>
Cc: dm-devel@redhat.com
Subject: Re: [linux-lvm] Re: [RFC] Multiple Snapshots - Manageability problem
Date: Thu, 24 Jan 2008 05:18:58 -0800 [thread overview]
Message-ID: <a71bd89a0801240518i78f9d5fcj6173f663931fff55@mail.gmail.com> (raw)
In-Reply-To: <4798705C.4080802@wpkg.org>
Tomasz Chmielewski <mangoo@wpkg.org> wrote:
> Dan Kegel schrieb:
> > Yes. Dan Phillips has implemented a shared snapshot exception store.
> > You can try it out now if you like; it's at http://zumastor.org.
> > It feels a bit different from the user's point of view than LVM, though.
> > It plays well with the device mapper and can be used with any
> > block device (LVM or non-LVM).
>
> Does it use device mapper (or it just "plays well with the device
> mapper")? Or is it a totally different technology?
It is a device mapper target, so yeah, it uses device mapper.
> I didn't find it explained very clearly in Zumastor HOWTO on
> http://zumastor.googlecode.com/svn/trunk/doc/zumastor-howto.html (other
> than pointers to /dev/mapper/zumatest, which probably means it uses
> device mapper).
A little further down the page, http://zumastor.org links to
http://zumastor.googlecode.com/svn/trunk/doc/desimplnotes.html
which does mention it explicitly.
- Dan
prev parent reply other threads:[~2008-01-24 13:19 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-23 16:16 [linux-lvm] Re: [RFC] Multiple Snapshots - Manageability problem Tomasz Chmielewski
2008-01-23 22:36 ` Dan Kegel
2008-01-24 11:02 ` Tomasz Chmielewski
2008-01-24 13:18 ` Dan Kegel [this message]
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