Re: [Xen-devel] Exporting SCSI Tape devices to HVM DomU

[Tomonari Horikoshi <t.horikoshi@xxxxxxxxxxxxxx>]

Hi.

We posted the function of allocating the whole HBA,
because we want to use the tape device in HVM domain. 

see, 
http://lists.xensource.com/archives/html/xen-devel/2007-07/msg00450.html
http://lists.xensource.com/archives/html/xen-devel/2007-07/msg00451.html
http://lists.xensource.com/archives/html/xen-devel/2007-07/msg00452.html
http://lists.xensource.com/archives/html/xen-devel/2007-07/msg00453.html
http://lists.xensource.com/archives/html/xen-devel/2007-07/msg00561.html

http://lists.xensource.com/archives/html/xen-devel/2007-08/msg00002.html


Best regards,
Horikoshi


Pasi san wrote:----------------------
Sent:    Sun, 12 Aug 2007 18:16:11 +0300
Subject: Re: [Xen-devel] Exporting SCSI Tape devices to HVM DomU

> On Sun, Aug 12, 2007 at 10:17:56PM +1000, James Harper wrote:
> > We are currently using VMWare Server (with Debian as the host) to
> > perform a restore test service to clients. Basically we take one of
> > their recent backups, and restore it into a VMWare VM to confirm that
> > their backup will produce a working system on restore.
> > 
> > VMWare allows exporting the tape drive device into the VM, and so
> > something like the Veritas Backup Exec IDR (Intelligent Disaster
> > Recovery - you build a CD beforehand and just boot that in the event of
> > a disaster and it asks for the most recent tape and rebuilds the system)
> > "just works". There are some very minor problems with going from a
> > physical system to a virtual system, but the process works well. After
> > we have restored the system we then provide access (remote or local as
> > required) to the client for them to confirm that everything looks okay.
> > 
> > Is exporting SCSI "generic" devices (eg tapes, scanners, cd burners,
> > etc) on the Xen roadmap at all? I'm pretty sure it isn't supported
> > currently but please correct me if I'm wrong!
> > 
> 
> I think there were patches some time ago that made exporting whole
> SCSI (or FC) HBA from dom0 to domU possible. 
> 
> I don't know if/when single LUN exporting will be supported.. 
> 
> Check the list archives for details..
> 
> -- Pasi
> 
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