Hi Gareth,
To my knowledge the tap:aio stuff is deprecated now? I thought I read that
somewhere on the mailing list but I could be wrong.
I am not very saavy in the whole Gluster thing, I usually stick to standard
'file:/path/to/image.img,ioemu:hda,w' when creating HVM VMs and drop the IOEMU
stuff when creating PV linux domains.
All of my PV domains use EXT3. Are you running the domain PV or HVM?
-Tait
From: Gareth Bult [mailto:gareth@xxxxxxxxxxxxx]
Sent: January-31-08 1:23 PM
To: Tait Clarridge
Cc: Xen-Users; gluster-devel Glister Devel List
Subject: Re: [Xen-users] Re; Dom0 Kernels ..
Ok,
I now have 2.6.21 up and running, seems to be ok in itself.
When I start my DomU, if I use AIO on local volumes, it's fine .. if I run it
on Gluster, it still hangs.
(no only does it hang the DomU, it also hangs xenwatchd so no more DomU's will
start - needs a reboot to fix)
Here's what I see when I boot;
NET: Registered protocol family 1
NET: Registered protocol family 17
xen-vbd: registered block device major 202
xvda: xvda1
xvdb:<4>XENBUS: Timeout connecting to device: device/vif/0 (state 1)
XENBUS: Device with no driver: device/console/0
Freeing unused kernel memory: 192k freed
Loading, please wait...
My configuration file looks like this;
kernel = '/boot/vmlinuz-2.6.21-prep'
ramdisk = '/boot/initrd.img-2.6.21-prep'
memory = '256'
root = '/dev/md0 ro'
disk = [ 'tap:aio:/vols/images/domains/test2/disk.img,ioemu:xvda,w' ,
'tap:aio:/cluster/images1/domains/test2/disk2.img,ioemu:xvdb,w' ]
name = 'test2'
vif = [ 'ip=10.0.0.23,mac=00:00:10:00:00:23' ]
on_poweroff = 'destroy'
on_reboot = 'restart'
on_crash = 'restart'
console = 'xvc0'
I get exactly the same results irrespective of whether the glusterfs is mounted
with directIO enabled or disabled.
FILE based access (rather than AIO) works just fine.
Any ideas?
----- Original Message -----
step 3.: "Tait Clarridge" <Tait.Clarridge@xxxxxxxxxxxx>
To: "Gareth Bult" <gareth@xxxxxxxxxxxxx>, "Xen-Users"
<xen-users@xxxxxxxxxxxxxxxxxxx>
Sent: 31 January 2008 14:32:38 o'clock (GMT) Europe/London
Subject: RE: [Xen-users] Re; Dom0 Kernels ..
Hello,
I am running a 2.6.21 kernel with xen in dom0 and it has been rock solid. What
I did was build Xen 3.2 with the default kernel (to get all the tools etc) then
downloaded the mercurial source of a 2.6.21 kernel.
They can be found at http://hg.et.redhat.com/kernel-dev/ i used the
ehabkost/linux-2.6.21-xen-3.1.0 kernel and it has worked really well.
When you are configuring the kernel ensure that you enable Xen support (it is
one of the options in the Processor Type and Features heading) then scroll down
to the bottom of the config subsections on the first page and a new XEN heading
will be available. Enable Hypervisor Support (or it is something that will be
similar I don’t remember the exact wording).
I had to mess around with a few options before it started working right, my
kernel has all the RAID and LVM stuff built in (no modules) and make sure that
most SCSI stuff, USB controller stuff and AHCI is built in as a module.
Let me know how it goes, you might need to throw a few extra options while
creating the ramdisk so if you run into problems... post em’ :)
Best of Luck,
Tait
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Gareth Bult
Sent: January-31-08 5:28 AM
To: Xen-Users
Subject: [Xen-users] Re; Dom0 Kernels ..
Hi,
I need some features from 2.6.19+ in my Dom0 .. is this an impossible task for
the moment or does anyone have a stable kernel source tree more advanced thann
2.6.18.8 that I can access?
Ubuntu 2.6.22 is unstable .. pure source build 2.6.18.8 is great .. (with
Xen3.2)
What I'd like is to source build a 2.6.xx where xx > 18 ... can anyone point me
in the right direction ?
tia
Gareth.
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