On Fri, Aug 12, 2005 at 10:42:39AM -0400, Robert J Brenneman wrote: > Yes - you can use hardware services to clone a lun, but it's the booting in > 3270 mode that won't work. > > The clone will refer to the original image in it's initrd configuration and > will try to mount the original root file system LUN using the original FCP > device talking to the original WWPN. If all that is not accessable where > you are IPLing the clone, the IPL will fail with a kernel panic as it tries > to mount the original root LUN. Even if all that is accessable when you IPL > the clone, and the IPL works, you will have IPLed off the clone, but it > will have mounted the original LUN at "/". This is probably not what you > want. > > So even if you use hardware services to do the actual copy part, you still > have to mount the new clone LUN somewhere, chroot into it, change all the > zfcp parameters, rebuild the clone's initrd, and rerun zipl on the clone. > > If anyone knows of another method that gets around all this error prone > stuff, I'd like to know too. :) >
No there is not other way. The problem for the kernel is, that he has no idea where he was loaded from (when you IPL from a zFCP-disk). So the only chance for the kernel to find the root/boot-device is to find this information is in the initrd. Best regards/Mit freundlichen Grüßen Ihno Krumreich "Never trust a computer you can lift." -- Ihno Krumreich [EMAIL PROTECTED] SUSE LINUX Products GmbH Projectmanager S390 & zSeries Maxfeldstr. 5 +49-911-74053-439 D-90409 Nürnberg http://www.suse.de ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
