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Tape Erase or format request
I want to thank you for your reply. I solved the problem with the
tapes being rejected by adding the carts to a group and erasing them. I now am facing an exsisting problem. The drives will not compress. Each of the drives have hardware compression enabled but when I enable compression in the backup software the status shows that hardware compression is enabled but I receive an uncompressed amount of data stored on the full tape cart(DLT or NS20). Eric Lee Green wrote: In article , Howard Huntley ruminated: I have two tape drives(DLT 15/30 and Travan TR-5), When I insert a tape cartridge into the drives the drives reject the tapes with an error message to erase or reformat the tapes because the tapes are in an unrecognizable format. Some of the tapes have been written in the drive with the same software(Veritas Backup exec v8.5). Can any one tell me how to remedy this error. Are there any veritas patches to fix this error?? Are the drives rejecting the tapes, or is Veritas Backup Exec rejecting the tapes? If the drives are rejecting the tapes, there's nothing you can do -- sorry, you have bad tapes, or you have bad drives. I've had DLT drives that would only read one out of three tapes that they'd written. I have no idea what the problem was, all I know is that it was nothing that any software that I wrote on the client side was going to be able to fix... if I can't get good data out of the SCSI system (as a tape backup software author), there ain't a helluva lot I can do software-wise. Howard Huntley Jr. MCP, MCSE MicroComputer Systems Specialist |
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In article , Howard Huntley ruminated:
I want to thank you for your reply. I solved the problem with the tapes being rejected by adding the carts to a group and erasing them. I now am facing an exsisting problem. The drives will not compress. Each of the drives have hardware compression enabled but when I enable compression in the backup software the status shows that hardware compression is enabled but I receive an uncompressed amount of data stored on the full tape cart(DLT or NS20). Try 'tapeinfo' from the mtx package ( http://mtx.badtux.net ) and see what it tells you about compression status on each of your drives after your backup has run and before it has put away the tapes. Also make sure you do not have *software* compression turned on in your backup software. That renders hardware compression null and void, since it will not compress already-compressed data. Also, if you're backing up already-compressed or "random" data (such as video or music files), they will not compress with hardware compression either either. -- Eric Lee Green Linux/Unix Software Engineer seeks employment see http://badtux.org for resume -----= Posted via Newsfeeds.Com, Uncensored Usenet News =----- http://www.newsfeeds.com - The #1 Newsgroup Service in the World! -----== Over 100,000 Newsgroups - 19 Different Servers! =----- |
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