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Re: Detecting boot drive

This won't answer your question directly since I was doing this to
find the correct drive to install on--which was sometimes "sda" and
sometimes "md  raid sdb and sdc and then install to md0".

What I did was to build a script called in %pre that ran dmidecode and
grabbed the system product name  and then wrote a /tmp/boot_setup
based in that.

I then %included that file.

On Fri, Jan 29, 2016 at 10:53 AM, Hajducko, Steven
<Steven_Hajducko intuit com> wrote:
> Is there a way to consistently detect the boot-drive, across multiple
> hardware platforms?
> We have several different hardware types - but it remains consistent that we
> always want the OS installed on the first drive in boot order.  We played
> around with --on-bios-disk, but that doesn't always work ( it fails, for
> instance, on Dell R820's with the PERC RAID controller ).  We've also tried
> specifying /dev/disk/by-id/edd-int13_dev80, which works on the Dell's, but
> fails on VMs.  ( And then throw HP and it's cciss into the whole mix.. ).
> /dev/sda isn't always the boot disk - this happens to us with certain RAID
> configs like 1 logical drive and 8 JBOD's.   The JBOD's get detected as
> /dev/sda-h and the RAID drive ( which is the boot drive ), ends up as
> /dev/sdi.
> Just curious if anyone else has come up with a solid way to always figure
> out what the boot drive is.
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