*BSD News Article 79307


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From: Tony Griffiths <tonyg@OntheNet.com.au>
Newsgroups: comp.unix.bsd.freebsd.misc
Subject: Re: Adding a BIG drive (SCSI), how?
Date: Fri, 27 Sep 1996 11:43:54 +1000
Organization: On the Net (ISP on the Gold Coast, Australia)
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To: David Richards <dr@ripco.com>

David Richards wrote:
> 
> Reposting article removed by rogue canceller.
> 
> I've added drives to FreeBSD before, and it was always painful, getting
> the label added, etc. At least Sys-V systems tend to come with a single
> utility program (script) that steps you through the process.
>
I agree with you that fdisk'ing and disklabel'ing a brand new disk is
painful.  It's the sort of thing you would write down for next time, if
only you had the time!  ;-))
 
> I recall a 2GB/filesystem limitation in the past, and also claims that this
> has been overcome in recent versions?
>
No problems here...  I run multiple 4 GB file systems (news, www proxy).
 
> Is it possible to add a 8-12 Gb SCSI-2 drive as a single, large,
> filesystem to a FreeBSD 2.1 system? Is there anything special to do in
> formatting very large drives?
>
I did some experiments with striped (ccd) 4 GB disks some time back.  I
can't remember having any problems.  I was playing with filesystem
parameters such as -b & -f and then doing mass file creates and deletes
to see what the affects were.  This was to test now news would run on a
stripe-set with different interleave and filesystem params.

Ultimately, I found that copying the existing 4 GB of news was next to
impossible (time wise) and simply dd'd the existing par across on
another 4GB disk, blew away all the bits on each disk that I didn't want
and then remounted the news partitions!  At the time I would have given
anything for OSF's ADVFS!!!

>                                 Thanks,
> 
>                                 Dave
> --
> David Richards                             Ripco, since Nineteen-Eighty-Three
> My opinions are my own,                    Public Access in Chicago
> But they are available for rental          Shell/SLIP/PPP/UUCP/ISDN/Leased
> dr@ripco.com                               (312) 665-0065 !Free Usenet/E-Mail!

Tony