Advice on change of tape drive please.
Karl Denninger
karl at naitc.naitc.com
Thu Dec 6 03:10:48 AEST 1990
In article <3438 at sud509.ed.ray.com> heiser at tdw201.ed.ray.com writes:
>In article <PEDA.90Nov21164524 at simplicity.Stanford.EDU> peda at simplicity.Stanford.EDU (Bill Codding) writes:
>>
>> b) Archive says you can use either DC600A or DC6150 on their QIC-150.
>> They say the physical medium is the same, so no wear problems. However,
>> the 6150 has an additional capstan (roller) and a wider opening in the
>> plastic housing. The tape identification marks tell the tape drive
>> to write more tracks on the 6150, since the housing hole allows more head
>> clearance. Thus, 120MB on a 600A, and 150MB on a 6150.
>
>I have been unable to write to 600A tapes in my Archive Viper 2150S. I
>have had mixed results trying to READ 600A tapes in the same drive --
>I suspect it is a Unix problem rather than a drive problem -- the troubles
>involved tar and cpio, but dd worked OK. I have been using 6150 tapes
>on a regular basis.
You're drive is hosed, or you're not using ISC.
I have used a 2150S Archive drive with ISC 2.0.2 now for almost a year. I
run my backups daily to DC600A tapes, since I have a ton of these, they're
still good, and I can't see a reason to scrap perfectly good media.
I get 125MB on each tape. Tastes great, less filling :-)
No problems with either backup or restore, and I've had to restore many
times.
--
Karl Denninger AC Nielsen
kdenning at ksun.naitc.com
(708) 317-3285
Disclaimer: Contents represent opinions of the author; I do not speak for
AC Nielsen on Usenet.
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