Messages in this thread | | | Date | Sun, 19 Apr 1998 01:13:22 +0200 (MET DST) | From | Cyrille Chepelov <> | Subject | Re: 2.1.93.. |
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On Fri, 17 Apr 1998, Gerard Roudier wrote:
> If you are willing to be fine with the user's view of disks, you can > allow users to affect identifiers or names to disks and register this > information somewhere. > The right place for this information is, IMO, the disk itself.
This is what NT does, by the way : they put a 32-bit integer in the first sector, next to the partition map (at offset 0x1b8, precisely). Unfortunately, LILO trashes it (that was quite a unilateral move from MS), making the Disk Administrator complain that it cannot find its babies, and asking for permission to put a "harmless" signature on the disks. If you allow LILO to touch a disk which is a part of a stripe set (that happened to me), you're going to have tough times... NT won't mount the partition again. I've read somewhere that NT5 was moving away from this system -- and it would be darn right : the standard for partition tables has been broken. Perhaps it could be wiser to tag the *partitions* themselves (in the superblock, probably)..
> > You will be fine with driver guys at the same time since they will not > have to worry about this issue anymore. > > I am thinking that if it was possible to read some information from the > disks handled by BIOS using BIOS itself prior to attaching resources, we > could implement smart things in this regard. > > BTW, my knowledge of BIOS things is near zero, so the above is just > an idea and I donnot know how it can be implemented nor I'm sure > it is feasible. > I donnot use M$ O/Ses or just very rarely in order not to be fired by my > employer :) and never try to understand how those things are working > during the short period of time they seem to be so :), but I am feeling > that M$ O/Ses apply something similar. > Do they ? > > > Gerard. > > > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu >
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