SPECTRA LOGIC SUPPORTS STORAGETEK'S 9710 FOR LARGE SCALE BACKUP OF UNIX AND
RDBMS DATA USING ALEXANDRIA BACKUP LIBRARIAN

MAY 21, 1996 - BOULDER, COLORADO - Spectra Logic (Boulder, CO) announced
the completion of support for the Storage Technology Corp. TimberWolf 9710
Automated Cartridge System with its Alexandria Backup Librarian software.
The combination will be marketed to IS departments with demanding backup
requirements for both networked open systems and Very Large Data Bases
(VLDBs).

StorageTek's TimberWolf 9710 is built using best-of-class components from
the firm's WolfCreek 9360 and PowderHorn 9310 libraries. Combined with
either Quantum's DLT drive technology or StorageTek's Twin Peaks 4890
36-track tape drive, the result is a cost-effective, incrementally
expandable library. In its maximum DLT configuration, the 9710 manages 588
tape cartridges and 10 tape drives, for an 11.76 Terabyte capacity
(uncompressed) and aggregate throughput of 15 MB/Second (uncompressed).
The largest TimberWolf 9710 with 4890 drives manages up to 588 tape
cartridges and six drives.

Spectra Logic's Alexandria software provides client/server backup of UNIX
filesystems and online backup of Oracle, Informix and Sybase databases. It
was designed to provide completely unattended "lights out" backup using
automated tape library hardware. Its performance, extensibility, security
and sophisticated media management capabilities have made it the software
of choice for large scale UNIX networks and VLDBs. Alexandria has achieved
backup rates exceeding 115 GB/hour writing to multiple DLT drives on a
multi-processor machine and higher rates should be possible with the right
hardware.

Alexandria is supported as a client and a server on more than 20 different
hardware platforms, including Sequent, Pyramid, Sun (Solaris & SunOS),
HP9000 (700 and 800), IBM RS/6000 and SP, AT&T GIS (NCR 3000), DEC Alpha,
Auspex, SCO UNIX, DG AViiON, Motorola, SGI, Solbourne, Unisys, Cray
CS-6400, SNI, ICL, Encore.

The 9710 library offers both a SCSI-2 and an ACSLS Interface. Spectra
Logic's support will initially be limited to SCSI-2 (which is more popular
in the UNIX environment), with ACSLS support following later this summer.
Alexandria will support the 14 cartridge access port and will support the
9710 in all configurations, from one to ten drives, from 252 to 588
cartridges.

"The 9710's ability to scale matches that of the Alexandria software," said
Nathan C. Thompson, CEO of Spectra Logic. "Together, we will be able to
meet tough challenges in open systems backup, archive and recovery."

Storage Technology Corp., based in Louisville, Colo., designs,
manufactures, markets and services, worldwide, information storage and
retrieval subsystems for enterprisewide computer systems and networks. The
company reported revenue of $1.93 billion in its fiscal year ended Dec.
29, 1995. Information on StorageTek is available on the World Wide Web at
http://www.stortek.com.

Spectra Logic has manufactured high-end backup and data storage products
since 1979. Now a division of Boulder, Colorado based Western Automation,
Spectra Logic manufactures 4mm and 8mm tape library hardware and UNIX
backup software for complete automated backup of UNIX networks and
databases. For more information contact Spectra Logic, 1700 North 55th
Street, Boulder, CO 80301 USA; telephone: (303) 449-7759; fax: (303)
939-8844; e-mail: alexandria@spectralogic.com.; or World Wide Web:
http://www.spectralogic.com

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SPECTRA LOGIC RELEASES NEW USER INTERFACE FOR SPECTRA LOGIC TAPE
LIBRARIES.

NO-COST UPGRADE ADDS IMPROVED TAPE MANAGEMENT FEATURES, REAL TIME TAPE
DRIVE MONITORING AND REDUCES USER ERRORS DURING BACKUPS.

BOULDER, COLORADO MAY 13, 1996 -- Spectra Logic, an award winning
manufacturer of 4mm and 8mm robotic tape libraries, announced the release
of a new Shell for its popular 4mm and 8mm tape libraries. The new 03.01
Shell firmware defines the functionality and capabilities of the Spectra
Libraries' unique touch-screen graphical user interface (GUI), much like
an operating system does for computer hardware.

Spectra Logic's new GUI allows users improved access to important status
information, configuration parameters and diagnostics for media, robotics
and tape drives which are installed in the library. The 03.01 Shell has
added many new features which exploit the libraries' graphical user
interface. The 03.01 upgrade is free for customers currently under
warranty or a support agreement and is easily installed through the front
panel using a 4mm or 8mm Code Tape.

The 03.01 Shell upgrade includes many enhancements and features unique to
Spectra Logic's tape libraries. Spectra Logic has long been an industry
leader in backup automation for corporate data management. The list below
contains several examples of information which is now available at the
user's fingertips through the touch screen GUI:

* Display of real-time tape drive Error Correction Code (ECC) Error Rates.
ECC Error Rates provide critical insight into a tape drive's operational
characteristics. Monitoring ECC error rates facilitates proactive drive
maintenance and helps ensure data integrity. Audible and visual "Alert"
and "Fault" notifications warn users of potential problems before data
integrity is sacrificed. Abnormal ECC Error Rates, excessive tape load
counts, and drive cleaning notification are examples of typical Alert or
Fault problems.

* Newly added media tracking functionality allows users to track and
identify media related problems. Identifying defective media is also
paramount to preventing data loss. The 03.01 Shell allows users to view
information such as how many times a tape has been loaded, its bar-code
label, and important statistics from the last drive to access the tape.

* An ability to report failed cleaning operations allows users to initiate
corrective actions before a drive is permanently damaged. Users are warned
of empty cleaning cartridges and a drive which may need additional
cleaning.

* Also added were several new robotic retry algorithms. The Spectra
4000/9000 design has implemented special "adaptive load algorithms" which
allow the intelligent robotic controller to accommodate many different
tape drives. These algorithms also allow extensive retry capabilities
which prevent jams by allowing the robot to adapt to physical differences
in tapes and drives without needing any physical alignment.

The Spectra 4000 is a 4mm library family capable of storing 20, 40 or 60
DDS-2 DAT tapes. Total storage capacities are 200, 400, and 600 Gigabytes
respectively (assuming 2.5:1 compression ratios).The Spectra 4000 can also
accommodate from 1 to 4 tape drives from popular 4mm DAT drive vendors
such as Hewlett Packard, Sony, WangDAT and Conner. List prices begin at
$9,175(US) for a 20 slot unit with one Hewlett Packard HP C1533A tape
drive.

Similar to the Spectra 4000, the Spectra 9000 design can accommodate from 1
to 4 helical-scan 8mm tape drives and either 20 or 40 tapes. This gives
the Spectra 9000 a total storage capacity of 280 or 560 Gigabytes
(assuming a data compression ratio of 2:1). List prices start at
$11,990(US) for a 20 slot unit with one Exabyte EXB-8505XL tape drive.

Both the Spectra 4000 and Spectra 9000 offer numerous configuration
options. Users can specify a tabletop, vertical tower, or Rackmount
configuration. Additionally, there are three options for robotic control:
single-ended SCSI-2, differential SCSI-2, or Spectra Logic's Serial to
SCSI Communication Language (SSCL TM).

The Spectra 4000 (DDS-2) and Spectra 9000 (8mm) were both developed to be
upgraded in the field through both firmware upgrades and modular Field
Replaceable Units (FRUs). Additional drives, barcode capability, larger
tape capacity carousels -- and new Shell firmware -- can be added,
allowing users to scale the capacity, throughput and functionality of
their Spectra Logic libraries. The libraries were designed to easily be
upgraded with more slots or drives in the field allowing users protection
of their hardware investment. Both feature the LCD touch-screen user
interface and an optional barcode reader.

Spectra Logic has manufactured high-end data storage products since 1979
making them a premier provider of tape library hardware and UNIX librarian
software. Spectra Logic tape libraries are now supported by more than 30
software packages on more than five major operating systems; including,
UNIX, Novell, NT, and Macintosh (such as Cheyenne, Seagate Software,
Legato, etc.). For more information about libraries, contact Spectra
Logic, 1700 North 55th Street, Boulder, CO 80301 USA, telephone: (303)
449-7759, fax: (303) 939-8844, E-mail: library@spectralogic.com or World
Wide Web: http://www.spectralogic.com.

Users can register (or confirm registration) for the 03.01.xx Shell
firmware by e-mailing to register@spectralogic.com.

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SPECTRA LOGIC ANNOUNCES INTERFACE WITH SQL BACKTRACK TO OFFER ON- LINE
BACKUPS OF SYBASE

BOULDER, CO - - MAY 6, 1996 - - Spectra Logic, the innovative technology
leader for advanced library/librarian products, has integrated its
Alexandria Backup and Archive Librarian product with DataTools' SQL
BackTrack to offer "hot" or "on-line" backups of Sybase System 10 and
System 11 databases. This method combines Alexandria's comprehensive
scheduling and media management capabilities with DataTools' popular
backup and recovery product.

The interface was designed using DataTools' Open Backup Streams Interface
(OBSI) Developer's Toolkit. This toolkit is an Application Programming
Interface to facilitate integrating enterprise backup automation products
with the database-aware drivers and capabilities offered by
SQL-BackTrack.

The driver, now called SLDT (Spectra Logic/DataTools), is linked into the
DataTools backup pool to allow the SQL BackTrack backup server in Sybase
to call SLDT. SLDT then launches Alexandria which feeds the information
supplied by BackTrack to the tape. When a restore is requested from
BackTrack, SLDT launches a restore to retrieve the information and feed it
back into the database via BackTrack.

The advantages to using this method for backing up Sybase include:

 Support for Sybase System 10 and System 11 servers
 Object-level recovery
 Incremental backups
 Data Compression
 Logical format backups.

"Spectra Logic is very pleased to have completed the SLDT driver and to
continue working with DataTools to offer Sybase customers hot backup using
the extensibility of Alexandria and the flexibility of SQL Backtrack,"
said Nathan C. Thompson, Chairman of Spectra Logic.

Certification is currently in progress for the Alexandria/DataTools
interface product on AT&T NCR, Sun, and Hewlett-Packard platforms, with
additional platforms soon to follow.

ABOUT SPECTRA LOGIC

Spectra Logic has manufactured high-end data storage products since 1979.
Spectra Logic manufacturers a variety of high performance data storage
products for a broad range of platforms. For more information contact
Spectra Logic, 1700 North 55th Street, Boulder, CO 80301 USA, telephone
(303) 449-6400, fax: (303) 939-8844, e-mail: alexandria@spectralogic.com
or World Wide Web: http://www.spectralogic.com.

ABOUT DATATOOLS

DataTools is the leading provider of database backup and recovery tools
that allow effective management of client/server databases for
enterprise-wide computing. DataTools was the first vendor to provide a
third party backup and recovery tool for Sybase databases. DataTools SQL
BackTrack product line is widely used by Fortune 1000 companies worldwide
and has partnerships with more than thirty database and storage management
vendors. DataTools was founded in 1991 and can be reached at 800-721-8665;
from outside the USA call 415-842- 9100. Visit the DataTools web site at
http://www.datatools.com.
 
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