Re: devfs persistence

Richard Gooch (rgooch@ras.ucalgary.ca)
Thu, 27 Apr 2000 21:59:19 -0600

Rodger Wilson writes:
> In your paper /dev looks like the actual dev tree. If I remember right
> you said earlier that there was also a directory with friendly names that
> were nothing but sym-links.

Yep. They are placed under /dev.

> If devices are organized by target id how do we make sure that names
> don't get swaped after a reboot.

By using UUIDs or labels (or the unique identifier you mentioned for
SCSI 3 devices). Trawl the kernel archives for my plan (not
implemented yet).

> For example lets say that we bring down a machine and durring this
> time there is a LIP on our FCAL and two of the drives swap id's,
> then on reboot the system thinks the drive that was used for /home
> is / and the drive for / is /home

What is "LIP"?

We use labels to solve this.

Regards,

Richard....
Permanent: rgooch@atnf.csiro.au
Current: rgooch@ras.ucalgary.ca

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/