[gentoo-user] Re: pvcreate won't create pv

[walt <w41ter@gmail.com>]

On 06/29/2012 03:05 PM, felix@crowfix.com wrote:
> On Fri, Jun 29, 2012 at 05:56:58PM -0400, covici@ccs.covici.com wrote:
>>
>> felix@crowfix.com wrote:
>>
>>> Got my two 4TB drives installed.  Now I need to get stuff off /dev/hda
>>> so I can turn it into an LVM volumne.  So I copied everything there to
>>> the the 7.3TB LVM filesystem, then tried to create a new pv on
>>> /dev/hda1.  No joy.  I get
>>>
>>>     Device /dev/hda1 not found (or ignored by filtering).
>>>
>>> /dev/hda has only /dev/hda1 which takes all the space.  The partition
>>> type is 8e, Linux LVM.  It's not mounted.  I tried pvcreate -f.  I
>>> tried dd if=/dev/zero of=/dev/hda1 count=1.  What is pvcreate really
>>> complaining about?
>> How come its hda?  Perhaps this is the problem, it certainly should be
>> fixed anyway.
> 
> Because it was set up that way 8 years ago.  /dev/hda is the only IDE
> drive in the system, and has the MBR, so I can't make /dev/hda an LVM
> volume, it has to be /dev/hda1.  I don't want to make some other drive
> the boot drive; they are LVM volumes also.  And I also want an hd(0,x)
> for grub which doesn't change as I add new drives.
> 
> Besides all that, why do you think it's a problem and how do you
> propose fixing it?

I can't speak for John, obviously, but /dev/hdxx is typical for the
deprecated kernel drivers.  The newer drivers use /dev/sdxx