Backups Post: 20125

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Special Forums Hardware Filesystems, Disks and Memory Backups Post 20125 by Solaris on Monday 22nd of April 2002 09:52:32 AM

04-22-2002

Registered User

Backups

I have been using the hostdump.sh backup script for over a year now and have recently run into a problem. I'm now getting the following error at the end of my jobs;
/bin/mt -f: error fsf'ing tape.

This script uses the native 'ufsdump'. So, I try to go back and read the last dump on the tape (ufsrestore) and I get the response;
Media read error: Error 0

I have tried removing the last file system backed up from the job, but I get the same error from even other machines that are put on the tape. I can read all the other volumes on the tape with no problems, just the last one is failing. This is the HP DLT80e drive and I have used a cleaner tape recently. I've cycled the power on both the tape drive and the host machine. I have also tried retensioning the tape before running the backup. This has happened on at least 10 different tapes, so I know it's not the media. There isn't much to maintaining this drive, I have followed all that HP has outlined. Another funny thing is that I have manually run a backup on a single machine and that completed with no errors. This is an odd problem, but if anyone has encountered anything similar, please let me know. Thank you.

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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)