How to change disk sequence on DELL R900 witrh PERC 6/X on LINUX

[mcclnx mcc]

Thank you for your suggestion.  I did use "disk label" otherwise system can NOT boot up.

Why we need boot disk on /dev/sda?  It is easy maintenance for other system admin.  In case problem happen, it won't cause confusion.



--- 09/6/29 (一)，Tom Brown <tom at ng23.net> 寫道：

> 寄件者: Tom Brown <tom at ng23.net>
> 主旨: Re: How to change disk sequence on DELL R900 witrh PERC 6/X on LINUX
> 收件者: "mcclnx mcc" <mcclnx at yahoo.com.tw>
> 副本: linux-poweredge at dell.com
> 日期: 2009年6月29日,一,上午9:15
> 
> > we have DELL R900 with REDHAT 5.3 in it.  This
> DELL R900 come with one integrate PERC6/I and two PERC6/E
> cards.  DELL PERC 6/I control 5 internal
> disks.   The original disk sequence are:
> >
> > /dev/sda1 /boot
> > /dev/sda2 /
> > /dev/sdb1  swap
> > ...
> >
> > after I configured PERC 6/E disks and reboot, /dev/sda
> change to RAID disk and original /boot and / change to
> /dev/sde1 and /dev/sde2.
> >
> > My modprobe.conf is:
> >
> > alias scsi_hostadapter megaraid_sas
> > alias scsi_hostadapter1 ata_piix
> > alias eth0 bnx2
> > alias eth0.1998 bnx2
> > alias eth1 bnx2
> >
> > how to change sequence back?
> >
> >   
> 
> use disk labels rather than device names
> 
> 


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