copy tape to tape using dd

[TrusaPerTrifs]

I have two tape drives attached to my system , and i am trying to copy one tape to another using both tape drives and using the following command :





dd if=/dev/rmt/1 of=/dev/rmt/2



but unfortunitly i am getting the following error :



read: Not enough space

0 0 records in

0 0 records out





wht do u suggest to do to make another copy of that tape ?





Best regards

More Information:

1. When copying to MVS DASD volumes or magnetic tape volumes, IEBGENER will re-block the output data set with a block size that is most
2. For example, the following shell commands copy data in 512 KiB blocks between a disk and a tape, but do not save or restore a 4 KiB label at the start of the disk: disk=/dev/rdsk/c0t1d0s2 tape=/dev/rmt/0 # Copy all
3. 11 posts - 5 authors - Last post: Jul 20, 2006What is the best way to copy a DDS tape to DDS tape? I tried: dd if=/dev/rmt/0m of=/dev/rmt/1m
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[duongquocan]

Try dd again but specify the blocksize of the tape with bs=n where n is the blocksize of the tape.

More Information:

1. DD TAPE should not need a DSN or VOLSER specified because IEHMOVE control statements will specify
2. 10 posts - 7 authors - Last post: Jul 17, 2007IS GIVEN WHEN YOU WANT THE FILE ON TAPE TO BE NOT DELETED EVER //SORTOUT DD DSN=Output file name2, // UNIT=TAPE,VOL=(,,,99),LABEL=EXPDT=99000,
3. The document shows examples to copy sequential data sets to or from disk and tape; or to a printer
4. vlafiller function reads data from a VLA archive or distribution tape or from a disk file copy of a VLA file, and creates an AIPS++
5. Using cpio to create a file archive on a tape device: # find

[leanhngoc]

Hi



I tried to use bs=126 the default , but it still give the same error .





but i found another way to do it using tcopy .



tcopy /dev/rmt/1 /dev/rmt/2



and it worked fine .





thanks and best regards .

More Information:

1. 9 posts - 7 authors - Last post: Feb 10, 2009I need some help about sample JOB/JCL or utility for copy tape (multi files) to another tape (~clone tape)
2. Here is an example: dd if=/dev/tape1 of=tranfile bs=8000
3. TAPE0, with the added advantage that dd automatically senses and sets the correct block size of the tape
4. Try dd again but specify the blocksize of the tape with bs=n where n is the blocksize of the tape
5. Be very careful with use of (b)erkeley or att style access to tape