Re: Auto-configuration question

[Steven Bellovin <smb%cs.columbia.edu@localhost>]

On May 9, 2011, at 2:23 12PM, Brian Buhrow wrote:

>       Hello.  Now that you're moving toward using raidframe with
> auto-configure turned on, this will become less of a problem as the raid
> sets will show up in the right order and, no matter where the disks are,
> raidframe will configure them in the right locations.

Not necessarily.  Here's one of the setups I use:

# raidctl -s raid1 | more
Components:
            /dev/dk0: optimal
            /dev/dk1: optimal
            /dev/dk2: optimal

which means that if the wrong drives become dk0/1/2, I'm well and truly hosed.
> 
> -Brian
> 
> On May 9, 11:10am, Paul Goyette wrote:
> } Subject: Re: Auto-configuration question
> } On Mon, 9 May 2011, Brian Buhrow wrote:
> } 
> } >   Hello.  What do you get if you just let the     bus numbers float?
> } > i.e.
> } >
> } >   {163} config -x | grep ixpide0
> } >   ixpide0         at pci0 dev 20 function 1
> } >   atabus?         at ixpide0 channel 0
> } >   atabus?         at ixpide0 channel 1
> } >   {164}
> } > -Brian
> } 
> } Everything works if I let everything float, but when it comes to my 
> } disks, I like to have them hard-wired.  Otherwise, /etc/fstab entries 
> } could mount the wrong partitions in strange places.
> } 
> } 
> } -------------------------------------------------------------------------
> } | Paul Goyette     | PGP Key fingerprint:     | E-mail addresses:       |
> } | Customer Service | FA29 0E3B 35AF E8AE 6651 | paul at whooppee.com    |
> } | Network Engineer | 0786 F758 55DE 53BA 7731 | pgoyette at juniper.net |
> } | Kernel Developer |                          | pgoyette at netbsd.org  |
> } -------------------------------------------------------------------------
>> -- End of excerpt from Paul Goyette
> 
> 
> 


                --Steve Bellovin, https://www.cs.columbia.edu/~smb