Get files from sdlt tapes Post: 302282452

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Top Forums UNIX for Advanced & Expert Users Get files from sdlt tapes Post 302282452 by Titas on Saturday 31st of January 2009 07:38:54 AM

01-31-2009

Registered User

Get files from sdlt tapes

Hi everybody,

I'm new using unix/linux and I have a sdlt tape wich has 2 segy files. I realise the tape isn't tar so when I use dd if=/dev/rmt/*bn of=filename bs=100000 to get the files after 10 Gb for file 1 an error message appear I/O error and I'm sure that I didn't get completly the first file also I'm using mt ../* rew and mt ../*n fsf no rewind to navigate through the tape. Is there any command to get the files without error message? I need your help, please.

Ps: I have a list of tape content with ebcdic header, binary header,.. like this:

FileNum: 0 RecordNum:1 Long:3200
C01
C02
C03
.
.
.
.
Lecture ok FileNum:0 RecordNum:2 Long:400
.
.
.
FileNum:0 RecordNum:3 Long:8240
.
.
.
EOF recontre FileNum 0 RecordNum 3
saut arriere de 2 blocs
Lecture ok FileNum:0 RecordNum:999999999 Long:8240
FileNum: 0 RecordNum:999999999 Long:8240
.
.
.
FileNum: 0 RecordNum:1000000000
.
.
.
EOF recontre FileNum: 0 RecordNum:1000000000

then start the same sequence for second segy file

I'll appreciate some tips

Titas

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LEARN ABOUT OPENSOLARIS

tcopy

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)