how to boot from second disk
mcclnx mcc
mcclnx at yahoo.com.tw
Tue Aug 1 20:46:59 UTC 2006
Actually this method has been apply on our environment
for several years and work correctly on DELL 265o and
6850 servers. I just have problem on DELL 6800
server.
--- David Miller <millerdc at fusion.gat.com> 說:
> What you are doing is not possible with that method.
> Besides using
> some true bare-metal bit-by-bit cloning tool you
> will have to do a
> lot more work for recovery. You will have to use
> fdisk to setup the
> partitions, dump a working MBR on the drive, create
> the filesystems
> on the parttions using mke2fs and mkswap. Then you
> can restore your
> data on the partitions. Your best bet is to try and
> get a working
> RAID1 for your boot drive and prey that both disks
> don't die before
> the server is retired.
>
> On Jul 31, 2006, at 5:58 PM, mcclnx mcc wrote:
>
> > We have Redhat As 4.3 on DELL 6800 server. I am
> doing recovery
> > test and tried to boot from second disk (which use
> dump to sync
> > first disk). My procedure are:
> >
> > 1. "mkbootdisk" to create bootable CD
> >
> > 2. reboot server and go CTL-M on PERC 4e/dc
> firmware menu. Change
> > boot device to "2"
> >
> > 3. put bootable CD to CD-ROM. Reboot
> >
> > 4. it still boot from first disk instead of second
> disk.
> >
> > any one know how to boot from second disk or
> command "boot: xxxx"
> > to second disk?
> >
> >
> > Thanks.
> >
> >
> >
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