Path: utzoo!attcan!uunet!uport!plocher
From: plocher@uport.UUCP (John Plocher)
Newsgroups: comp.unix.microport
Subject: Re: Efficient tape I/O with 386/ix; How??
Keywords: streaming tape interactive slow
Message-ID: <276@uport.UUCP>
Date: 11 Dec 88 22:07:26 GMT
References: <317@focsys.UUCP>
Reply-To: plocher@uport.UUCP (John Plocher)
Organization: Microport Systems, Scotts Valley, CA
Lines: 18

In article <317@focsys.UUCP> larry@focsys.UUCP (Larry Williamson) writes:
>Streaming tape I/O with 386/ix seems to be rather slow.
>
>	find . -print | cpio -ovc >/dev/rmt0
>
>Microport 286 SV/AT has a nice little utility called strm that

Try (on 386 unix only)

	find . -print | cpio -ovcB | dd of=/dev/rmt0 bs=500k
		or
	find . -print | cpio -ovcBC500000  > /dev/rmt0

The latter command is undocumented and may not work <std_declaimer.h>
syntax is -B		Use large block size
	  -Cbuffersize	Use an output buffer of buffersize

  -John Plocher