Konrad Rzeszutek wrote:
> On Thu, Jan 04, 2007 at 04:57:13PM -0500, Doug Ledford wrote:
>
>>On Thu, 2007-01-04 at 12:16 -0800, Pete Zaitcev wrote:
>>
>>
>>>I'm adding Doug to cc: in case he knows a case where LVM2 encodes
>>>device minors into an on-disk format.
>>
>>I'm pretty sure both md and lvm are written to handle changing device
>>names (I know md is, if you reboot with the failed drive removed, all
>>the other drives might change names, and it handles this just fine).
>
>
> The only worry I can think off is when somebody wants to install without
> using LVM. So the installer sees /dev/sdb, and puts that in
> the grub.conf for the kernel root device (root=/dev/sdb).
For many years "root=LABEL=/" has been the anaconda default for kernel
commandline parameter, (at least when not using LVM.)
This was motivated by the possible renumbering of [SCSI] drives
even when _adding_ a new good drive. There still are grub.conf
stanza lines such as
splashimage=(hd0,0)/grub/splash.xpm.gz
and
root (hd1,0)
which do name physical partitions [frequently not whole physical drives.]
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