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Operating Systems Linux Red Hat How to see files backed up on tape using dd command Post 302492418 by ahmerin on Monday 31st of January 2011 10:28:27 AM
Old 01-31-2011
Hi Robin,

Thanks for a prompt reply.

Everything worked fine, once I found where the problem was Smilie

Instead of using a backup software, I decided to work on the default unix utilities to control the tape library and device - mtx (for controlling the tape library/robotic arm; mt for the dive) and tar to do the backup. In doing so, I mixed the drive letter/number and the slot number from where the tape came from. My tape was in drive 1 and I was trying to read it from drive 0 Smilie .


Now all is fine (tar tvf /dev/nst0 is showing the contents) I am sorry to have taken so much of your's and others' time.

Regards
Ahmerin
 

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tcopy(1)							   User Commands							  tcopy(1)

NAME
tcopy - copy a magnetic tape SYNOPSIS
tcopy source [destination] DESCRIPTION
The tcopy utility copies the magnetic tape mounted on the tape drive specified by the source argument. The only assumption made about the contents of a tape is that there are two tape marks at the end. When only a source drive is specified, tcopy scans the tape, and displays information about the sizes of records and tape files. If a des- tination is specified, tcopy makes a copies the source tape onto the destination tape, with blocking preserved. As it copies, tcopy pro- duces the same output as it does when only scanning a tape. The tcopy utility requires the use of Berkeley-compatible device names. For example, example% tcopy /dev/rmt/1b /dev/rmt/2b ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWesu | +-----------------------------+-----------------------------+ SEE ALSO
mt(1), ioctl(2), attributes(5) NOTES
tcopy will only run on systems supporting an associated set of ioctl(2) requests. SunOS 5.11 10 Mar 2000 tcopy(1)
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