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 | | If the tape is written in an unknown block size then set the device configuration in smit to use variable size blocks, use the "dd" command with a large input block size, and pipe it to the restore command. |
 | | On a fixed block size device, the kernel always sends data to the device in suitable block size lumps, and varying the size passed to write(2) (e.g., via the bs option to dd) gives the kernel more data to stream. |
 | | If you set the block size to 0, the device is treated as variable block size, and the size passed to write becomes the physical block size. |
| unix.business.utah.edu /doc/os/aix/AIX_FAQ.html (18017 words) |
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