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Date:      Sun, 22 Nov 1998 02:50:33 +0200 (SAST)
From:      Khetan Gajjar <khetan@chain.freebsd.os.org.za>
To:        questions@FreeBSD.ORG
Subject:   How to use ccd
Message-ID:  <Pine.BSF.4.05.9811220244590.3324-100000@chain.freebsd.os.org.za>

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Hi.

I've got two SCSI drives I'd like to make into one partition, in order
to write CD-ROM 660+ MB images to.

The drives are not identical. DMesg output is listed below.

What would the correct interleave number be for this scenario ?

aha0: AHA-1542CF FW Rev. C.0 (ID=45) SCSI Host Adapter, SCSI ID 7, 16 CCBs
da0 at aha0 bus 0 target 2 lun 0
da0: <QUANTUM LPS540S 5900> Fixed Direct Access SCSI2 device 
da0: 3.300MB/s transfers
da0: 516MB (1057616 512 byte sectors: 64H 32S/T 516C)
da1 at aha0 bus 0 target 4 lun 0
da1: <CONNER CFA540S 14B1> Fixed Direct Access SCSI2 device 
da1: 3.300MB/s transfers
da1: 515MB (1056708 512 byte sectors: 64H 32S/T 515C)

Would a ccd partition of da0 and da1 combined together be a good
enough "drive" to use when creating and burning CD-ROM images ?

Once created, I presume the command to create these two partitions into
one would be 
ccdconfig -cv ccd0 [interleave value] 0 /dev/da0s1e /dev/da1s1e

Would this then be mounted with mount /dev/ccd0 /mnt ?
---
Khetan Gajjar       (!kg1779) * khetan@iafrica.com ; khetan@os.org.za
http://www.os.org.za/~khetan  * Talk/Finger khetan@chain.freebsd.os.org.za
UUNET Internet Africa Support * FreeBSD enthusiast-www2.za.freebsd.org
FreeBSD is like a wigwam - no windows, no gates, apache inside!


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