Re: devfs persistence

From: Richard Gooch (rgooch@ras.ucalgary.ca)
Date: Thu Apr 27 2000 - 22:59:19 EST


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

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