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Date:      Fri, 14 Jun 2002 15:24:09 -0700
From:      "David Smithson" <david@customfilmeffects.com>
To:        "FreeBSD-Questions" <freebsd-questions@FreeBSD.ORG>
Subject:   Re: Urgent:  DTF tape drive I/O error
Message-ID:  <00e001c213f2$3414ffc0$0801a8c0@customfilmeffects.com>
References:  <20020614190728.E3AB05D04@ptavv.es.net> <004401c213d8$ef7b3cd0$0801a8c0@customfilmeffects.com> <20020614204853.GB64898@dan.emsphone.com> <00a101c213e8$bd1d9c50$0801a8c0@customfilmeffects.com> <20020614212821.GD64898@dan.emsphone.com> <00af01c213eb$e037a2a0$0801a8c0@customfilmeffects.com> <20020614214208.GA72247@dan.emsphone.com>

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Thank you, Dan.  I'll let them know and give it a shot.  Any idea why
FreeBSD's tape devices are limited to 64k block-size?

----- Original Message -----
From: "Dan Nelson" <dnelson@allantgroup.com>
To: "David Smithson" <david@customfilmeffects.com>
Cc: "FreeBSD-Questions" <freebsd-questions@FreeBSD.ORG>
Sent: Friday, June 14, 2002 2:42 PM
Subject: Re: Urgent: DTF tape drive I/O error


> In the last episode (Jun 14), David Smithson said:
> > > That would definitely work, yes.  If they're using tar, have them
> > > run something like "tar cvb 128", which will give you 64k blocks on
> > > tape.
> >
> > Does it matter how the DTF is formatted?  Or is that a hardware-level
> > thing? I mean, should I have them set the blocksize with MT before
> > they format the tape?  Then write the tar archive with the block-size
> > at 128?
>
> SCSI drives are almost always variable-blocked nowadays.  Telling tar
> the blocksize should be all you need to do.
>
> --
> Dan Nelson
> dnelson@allantgroup.com
>
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