Am 17.03.2010 22:00, schrieb Neil Bothwick: > On Wed, 17 Mar 2010 21:44:34 +0100, Florian Philipp wrote: > >> Just for clarification: Is it really necessary to unplug the broken disk >> for this to work? >> If read access fails on sda and the BIOS tries sdb, would this also >> work? Isn't grub's hd0 always the disk on which grub resides (e.g. the >> disk from which grub managed to boot)? > > I suspect that may be dependent on the nature of the failure. For > example, if /boot is corrupted, the BIOS will still boot from the broken > disk's MBR before failing later. > > Most BIOSes now enable you to disable individual SATA ports, so you could > disappear the disk without unplugging it, although I'm not sure why you'd > want to leave a broken disk in the box. > >
Just in case I ever face high demands on uptime. It's good to know whether I can still (remote) reboot a machine and it will come up although one of its drives is broken.
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