SUMMARY: Disk Label Location

From: Ron Henderson (rwh@lightnet.com)
Date: Wed Jan 27 1993 - 09:48:20 CST


Sun Managers:

Original question:

>How come any sun disk you can start partition 'a' at cylinder 0 and make
>a file system on that partition without overwritting the disk label?
>
>I thought the disk label is at track 0 cylinder 0.

Answer:

The Sun filing system knows about the label and leaves space for it when
newfs'ing partition a. However using the raw device ie /dev/rsd2a bypasses
the file system mechanism and is liablew to corrupt your label

Thanks for all that responded!

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                                --- Ron Henderson (rwh)
                                rwh@lightnet.com
                                LightNET, Inc. - A UNIX and Networks Company



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