Date: Thu, 29 Jan 1998 18:54:58 +0000 From: Karl Pielorz <kpielorz@tdx.co.uk> To: Chris Czerwinski <chris@lakecom.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: How do I get the most out of my SONY SDT-7000? Message-ID: <34D0D082.6706D8AD@tdx.co.uk> References: <34D0C601.50E1AFCA@lakecom.com>
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Try adding an 'a' to the dump command, so dump will continue writing to the end of the tape, not until dump 'thinks' the tape is full, e.g. dump -0uan -f /dev/nrst0 / Regards, Karl Chris Czerwinski wrote: > > Attempting to get the most data onto my tape drives and my dumps seem > to fill up the tape drive way to quickly. The tape capacity should be > 8GB but I'm lucky if I get 500MB..... > > The dump commands I'm using are: > > dump -0un -f /dev/nrst0 / > dump -0un -f /dev/nrst0 /tmp > dump -0un -f /dev/nrst0 /var > dump -0un -f /dev/nrst0 /usr > dump -0un -f /dev/rst0 /u > > dmesg shows: > > (ahc0:1:0): "SONY SDT-7000 0195" type 1 removable SCSI 2 > st0(ahc0:1:0): Sequential-Access density code 0x13, 512-byte blocks, > write-enabled > > Supposedly I can select these other modes but dump fails with all: > > 125 [root] # mt stat > Present Mode: Density = X3B5/88-185A Blocksize variable > ---------available modes--------- > Mode 0: Density = 0x00 Blocksize variable > Mode 1: Density = X3.136-1986 Blocksize = 512 bytes > Mode 2: Density = X3.39-1986 Blocksize variable > Mode 3: Density = X3.54-1986 Blocksize variable > > Thanks, > > Chris Czerwinski
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