in the stage2 environment check to see if /dev/disk/by-label is available. If it is, and you know or can change the label of your usb device, you should be able to reference this.
I know that in the multipath bits they are trying to push more heavily into using the /dev/disk/by-scsi-id/ for disk handling in rhel 6 anaconda. -greg On Wed, Jun 15, 2011 at 15:18, Jason Keltz <j...@cse.yorku.ca> wrote: > Hi Ges, > > Thanks for your reply. > Does this mean that kickstarting from a USB key is just not reliable? > You have to be able to specify a device during kickstart, and if you don't > know what the device that represents the hard disk will be, then what do > you? > I could "calculate" it on the fly, and modify the kickstart process > accordingly, but if there are multiple disks in the system, and I want to be > able to specify which of those devices will be used for kickstart, then this > messes things up .. > Once a system is kickstarted, you can use labels, etc. to identify disks, > but assuming you're starting with a totally blank hard disk, who knows what > device the kernel will see.. > > I remember this was an issue years and years ago .. can't believe we haven't > found a better way to handle this under Linux yet... > > sigh.. > > Jason. > > > Grzegorz Witkowski wrote: >> >> Hi, >> >> /dev/... devices may not be persistent between reboots. >> It is not a bug. The kernel usually just assigns unpredictable device >> names based on the order of discovery. See udev related info. >> >> Regards, >> Ges >> >> On Wed, 2011-06-15 at 15:44 -0400, Jason Keltz wrote: >>> >>> Hi. >>> >>> I'm kickstarting a new Red Hat 6.0 system from a USB key. >>> I've kickstarted it many times from the key in the last week, and the USB >>> key is recognized as sdb, and the system hard disk as sda. >>> However, this morning, I went to kickstart, and the USB key was suddenly >>> being recognized as sda which, of course messed up the process. >>> I tried it various times, and it continued to be that way. >>> I then had to leave it for a while because I was busy with other stuff. >>> When I came back, the hard disk is now being recognized as sda, usb key >>> as sdb. >>> What's up? seems like an odd bug... >>> >>> Jason. >>> >>> _______________________________________________ >>> rhelv6-list mailing list >>> rhelv6-list@redhat.com >>> https://www.redhat.com/mailman/listinfo/rhelv6-list >> >> >> >> >> _______________________________________________ >> rhelv6-list mailing list >> rhelv6-list@redhat.com >> https://www.redhat.com/mailman/listinfo/rhelv6-list > > _______________________________________________ > rhelv6-list mailing list > rhelv6-list@redhat.com > https://www.redhat.com/mailman/listinfo/rhelv6-list > _______________________________________________ rhelv6-list mailing list rhelv6-list@redhat.com https://www.redhat.com/mailman/listinfo/rhelv6-list
