Re: [Xen-users] blktap howto

["Itamar Reis Peixoto" <itamar@xxxxxxxxxxxxxxxx>]

you need to create a initrd using mkinitrd with xenblk module.

--------------------

Itamar Reis Peixoto

e-mail: itamar@xxxxxxxxxxxxxxxx
msn: itamarjp@xxxxxxxxxxxxx
skype: itamarjp 
icq: 81053601
+55 34 3238 3845
+55 11 4063 5033
----- Original Message ----- 
From: "marek cervenka" <cervajs@xxxxxxxxxx>
To: <xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: Tuesday, March 20, 2007 3:03 PM
Subject: Re: [Xen-users] blktap howto


> > try
> >
> > disk = [ 'tap:aio:/var/lib/xen/test.img,xvda1,w', 
> > 'tap:aio:/var/lib/xen/test.swap,xvda2,w' ]
> this does not help
>
> Using IPI Shortcut mode
> XENBUS: Timeout connecting to device: device/vbd/51713 (state 3)
> XENBUS: Timeout connecting to device: device/vbd/51714 (state 3)
> md: Autodetecting RAID arrays.
> md: autorun ...
> md: ... autorun DONE.
> VFS: Cannot open root device "xvda1" or unknown-block(0,0)
> Please append a correct "root=" boot option
> Kernel panic - not syncing: VFS: Unable to mount root fs on 
> unknown-block(0,0)
>
>
> > Itamar Reis Peixoto
> >
> > e-mail: itamar@xxxxxxxxxxxxxxxx
> > msn: itamarjp@xxxxxxxxxxxxx
> > skype: itamarjp
> > icq: 81053601
> > +55 34 3238 3845
> > +55 11 4063 5033
> > ----- Original Message ----- From: "marek cervenka" <cervajs@xxxxxxxxxx>
> > To: <xen-users@xxxxxxxxxxxxxxxxxxx>
> > Sent: Tuesday, March 20, 2007 1:28 PM
> > Subject: [Xen-users] blktap howto
> >
> >
> > > hi,
> > >
> > > i'm trying move from file: based disk to tap:aio but things don't work
> > >
> > > i have centos4 dom0 with centos4 domU
> > > xen 3.0.4-testing changeset:   13138:d401cb96d8a0 self compiled
> > >
> > > [root@xen linux-2.6.16.38-xen]# grep XEN_BLKDEV_TAP .config
> > > CONFIG_XEN_BLKDEV_TAP=m
> > >
> > > config
> > > disk = [ 'file:/var/lib/xen/test.img,hda1,w', 
> > > 'file:/var/lib/xen/test.swap,hda2,w' ]
> > > changed to
> > > disk = [ 'tap:aio:/var/lib/xen/test.img,hda1,w', 
> > > 'tap:aio:/var/lib/xen/test.swap,hda2,w' ]
> > > blktapctrl do nothing
> > >
> > > domU cannot start, fail when mounting root
> > >
> > > what i'm doing wrong?
> > > i dont have any kernel module for blktap, is this ok?
> > >
> > > ---------------------------------------
> > > Marek Cervenka
> > > Centrum Vypocetni Techniky
> > > CVT - http://cvt.fpf.slu.cz
> > > FPF SLU OPAVA - http://www.fpf.slu.cz
> > > LCNA - http://lcna.slu.cz
> > > =======================================
> > >
> > >
> > > _______________________________________________
> > > Xen-users mailing list
> > > Xen-users@xxxxxxxxxxxxxxxxxxx
> > > http://lists.xensource.com/xen-users
> >
> > _______________________________________________
> > Xen-users mailing list
> > Xen-users@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-users
> ---------------------------------------
> Marek Cervenka
> Centrum Vypocetni Techniky
> CVT - http://cvt.fpf.slu.cz
> FPF SLU OPAVA - http://www.fpf.slu.cz
> LCNA - http://lcna.slu.cz
> =======================================
>
>
> _______________________________________________
> Xen-users mailing list
> Xen-users@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-users
_______________________________________________
Xen-users mailing list
Xen-users@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-users