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- From: ashley@gidday.enet.dec.com (STEPHEN ASHLEY)
- Newsgroups: comp.unix.msdos,comp.unix.bsd,comp.unix.sysv386,comp.unix.xenix.misc,comp.unix.xenix.sco,unix-pc.general,comp.unix.pc-clone.32bi
- Subject: Re: HELP! problem with tar PC <-> SUN
- Message-ID: <1992Nov23.091447.17089@ryn.mro4.dec.com>
- Date: 24 Nov 92 01:57:15 GMT
- References: <BxJ7qx.2An@avalon.nwc.navy.mil>
- Sender: news@ryn.mro4.dec.com (USENET News System)
- Organization: Digital Equipment Corporation
- Lines: 18
-
-
- >Here's the problem: there appears to be a 10x differential in the blocking
- >factor used by the Sun and the PC's. If a tape is written on the Sun with
- >a blocking fator of 2, the PC reads it as a blocking factor of 20. Both
- >"say" they are writing with block size=512 and blocking factor=20 by
- >default, but the evidence shows this to be wrong. The Sun at least is smart
- >enough to recognize the different blocking factor when reading the tape
- >and has no trouble. The PC, however, has to be told, and this is where the
- >*REAL* problem comes in:
-
-
- I dont know if this your problem or not, but here it is then.
- If have been told (Sun tec support Oz) that Sun OS does not support Helical
- Scan tape drives that use hardware based compression. As I said this is
- probable not your fault, but what the heek.
-
- Stephen Ashley,
- Alice Springs Out Back Oz.
-