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TBP162.TXT
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Tech Bulletin: NetWare Tape Subsystem Software IBM/TI or Victor
NOVELL TECHNICAL BULLETIN
TITLE: NetWare Tape Subsystem Software IBM/TI or Victor
DOCUMENT ID: TB.P.162
DATE: 12/1/86
PRODUCT: NetWare
PRODUCT VERSION: NetWare Tape Subsystem Software
SUPERSEDES: NA
SYMPTOM: NA
ISSUE/PROBLEM
The versions for SBACKUP.I and SRESTORE.I on NetWare Tape Subsystem
Software in either the IBM/TI or Victor Formats have been updated.
SBACKUP.I is now V1.6 and SRESTORE.I is now V1.8. This software is now
available at no charge for those needing it. Contact either the NetWare
Center in your area or the Novell Sales department and ask for the
following part numbers, IBM/TI Format # 127-010055-001 Rev. F or Victor
Format # 127-010056-001 Rev. F. The reason for the version change is
bug fixes and enhancements. They are as follows:
SBACKUP.I
SBACKUP.I V1.6 will now operate properly on larger volumes. Where V1.5
would only work on volumes less than 128 Megabytes, this version will
work on volumes larger than 128 Megabytes. It also checks for the proper
sequence number when traversing the DIRSTAMP.SYS fat-chain. This was
done because the software could potentially hang if the fat-chain was not
functioning properly.
SRESTORE.I
SRESTORE.I version 1.8 will also operate properly on larger volumes. It
also has some further enhancements as follows:
It now uses an insert-sort algorithm (rather than bubble sort) to speed
up the "disk surgery."
It has a much more efficient way of counting the bits in the bitmap. The
number of bits set in the bitmap identifies the proper block from the
tape.
If the file size in the directory entry does not match the size
determined from traversing the fat-chain, SRESTORE.I ignores the
directory entry value and uses the fat-chain. This helps the software
handle erroneous data in the directory entry.
SRESTORE.I also checks for circularly linked fat-chains.