[mdlug] Reordeing IDE drives in a system

[Robert Adkins]

> -----Original Message-----
> From: mdlug-bounces at mdlug.org 
> [mailto:mdlug-bounces at mdlug.org] On Behalf Of Aaron Kulkis
> Sent: Sunday, September 30, 2007 11:32 PM
> To: MDLUG's Main discussion list
> Subject: Re: [mdlug] Reordeing IDE drives in a system
> 
> Mathew Enders wrote:
> > Is it possible to reorder the drives in a system.  I want 
> to do this 
> > so I can eliminate using an add on IDE card as I believe that to be 
> > the source of my problems.
> > This is the current configuration:
> >
> > ARDVARC:~# cat /etc/fstab
> > # /etc/fstab: static file system information.
> > #
> > # <file system> <mount point>   <type>  <options>       
> <dump>  <pass>
> > proc            /proc           proc    defaults        0       0
> > /dev/hda3       /               ext3    
> defaults,errors=remount-ro 0       1
> > /dev/hdc1       /home/staff     ext3    defaults        0       2
> > /dev/hde1       /home/stdnt     ext3    defaults        0       2
> > /dev/hdg1       /staffbak       ext3    defaults        0       2
> > /dev/hdg2       /stdntbak       ext3    defaults        0       2
> > /dev/hda2       /var            ext3    defaults        0       2
> > /dev/hda1       none            swap    sw              0       0
> > /dev/hdb        /media/cdrom0   udf,iso9660 user,noauto     
> 0       0
> > /dev/fd0        /media/floppy0  auto    rw,user,noauto  0       0
> > ARDVARC:~#                                                         
> >
> > As you can see the drives are currently hda, hdc, hde, and hdg.  I 
> > want to physically rearrange the drives so they would become this:
> >
> > hda = hda
> > hdc = hdb
> > hde = hdc
> > hdg = hdd
> >
> > Is this possible by just moving the drives around then 
> editing fstab 
> > so the new partions match the mount points.
> Yes.
> 
> When I do something like that, I normally make a chart like 
> this just for easy sanity checking:
> 
> <Mountpoint> <Current device> <New Device>
> 
> If you've made any errors, then filling out the chart above 
> will immediately identify them.
> 

	I am in complete agreement with this suggestion, it's an excellent
practice to get into.

> > Like this:
> >
> > ARDVARC:~# cat /etc/fstab
> > # /etc/fstab: static file system information.
> > #
> > # <file system> <mount point>   <type>  <options>       
> <dump>  <pass>
> > proc            /proc           proc    defaults        0       0
> > /dev/hda3       /               ext3    
> defaults,errors=remount-ro 0       1
> > /dev/hdb1       /home/staff     ext3    defaults        0       2
> > /dev/hdc1       /home/stdnt     ext3    defaults        0       2
> > /dev/hdd1       /staffbak       ext3    defaults        0       2
> > /dev/hdd2       /stdntbak       ext3    defaults        0       2
> > /dev/hda2       /var            ext3    defaults        0       2
> > /dev/hda1       none            swap    sw              0       0
> > /dev/hde        /media/cdrom0   udf,iso9660 user,noauto     
> 0       0
> > /dev/fd0        /media/floppy0  auto    rw,user,noauto  0       0
> > ARDVARC:~#                                                         
> >
> > TIA
> > Mat Enders
> 
> 
> 
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