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xen-users
RE: [Xen-users] partitions + iscsi = mass confusion
> -----Original Message-----
> From: Gary W. Smith [mailto:gary@xxxxxxxxxxxxxxx]
> Sent: 18 February 2009 17:46
> To: James Dingwall; Fajar A. Nugraha; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] partitions + iscsi = mass confusion
>
> James,
>
> Do you have a sample. I will only be using a limited number of iscsi
> targets which will be well defined for our organization.
There are some contributions in the Gentoo iSCSI page covering this:
http://en.gentoo-wiki.com/wiki/ISCSI
There is a udev rules file which is invoked when an iSCSI target is
connected and a shell script which generates the device name. In the
example the device name is derived from the IQN of the target.
James
>
> ________________________________
>
> From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of James
Dingwall
> Sent: Wed 2/18/2009 9:30 AM
> To: Gary W. Smith; Fajar A. Nugraha; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] partitions + iscsi = mass confusion
>
>
>
>
> On 2009-02-18 Gary W. Smith wrote:
> > Fajar,
> >
> > Makes sense. I used to use xvd[x] syntax but when I switched to FC8
> as
> > my host some time ago it didn't work so I ended up with sd[x]. I've
> > updated it a few times so I'm sure it probably works now.
> >
> > Problem is that I have this on a countless number of VM's (plus
> > templates). If that's what it takes, I guess I will need to do it.
> >
> > I was just hoping there was a simpler way to get around this (like
> > creating a reserved /dev/sda that does nothing or something so that
> > hotplug would skip it.
> >
> > Actually, is there a way to block specific ones in hotplug? I
> remember
> > some time ago (probably years now) there was discussion somewhere
> about
> > setting specific hotplug entries for usb mounts. I didn't follow it
> to
> > see if there was ever a resolution.
> >
> > ps: sorry for top post ... OWA
> >
> > ________________________________
> >
> > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx on behalf of Fajar A.
> > Nugraha Sent: Wed 2/18/2009 9:05 AM To: Gary W. Smith Cc:
> > xen-users@xxxxxxxxxxxxxxxxxxx Subject: Re: [Xen-users] partitions +
> > iscsi = mass confusion
> >
> >
> >
> > On Wed, Feb 18, 2009 at 11:55 PM, Gary W. Smith
> <gary@xxxxxxxxxxxxxxx>
> > wrote:
> >> just fine giving. The problem is that it tries to setup the disk
as
> >> sda since I don't have a physical sda (as the VM's are already
> mounted
> >> with the direct paritions that I want.
> >
> > That's probably one of the reasons why Redhat decided to promote the
> > use of xvda for domU's disks instead of hda or sda :)
> >
> > Try changing your domU config and fstab to use xvda1, xvda2, etc.
> >
> > PS: Personally I use hda :P
> >
> > Regards,
> >
> > Fajar
> >
>
> A workaround may be to write udev rules to give your iSCSI devices
> persistent alternate names. If you are connecting multiple targets
> then
> the device names would change if the order they connected changed. I
> have set my system up to create a /dev/iscsi/... device which I
> reference instead of the /dev/sd... one.
>
> James
>
>
>
> This message and the information contained herein is proprietary and
> confidential and subject to the Amdocs policy statement,
> you may review at http://www.amdocs.com/email_disclaimer.asp
>
> _______________________________________________
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> http://lists.xensource.com/xen-users
>
This message and the information contained herein is proprietary and
confidential and subject to the Amdocs policy statement,
you may review at http://www.amdocs.com/email_disclaimer.asp
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