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From: Stelian P. <st...@po...> - 2003-12-09 08:11:49
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On Mon, Dec 08, 2003 at 05:28:57PM -0500, James Roth wrote: > I tried -b 10 as well as 1, 2, 3, ... 32, 64, etc. From my backup log: > "DUMP: Writing 10 Kilobyte records" > > Also, my script sets the block size to 512 before each dump. > > Does my "dd ibs=512 obs=512 of=/dev/tape conv=sync" look suspicious to > anyone? It does seem suspicious to me, as is the fact you're using a 512 byte blocksize with a DDS4 drive, which should use much larger blocksizes (32k for example) or variable block sizes (mt setblk 0) in order to gain both speed and capacity. Stelian. -- Stelian Pop <st...@po...> |