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701P45144 
June 2006

 

 
1 

Dear Customer: 

 

This kit contains the DocuSP Disk Overwrite software supporting all DocuSP-based printing products that meet the 
minimum disk size requirements as described below. 
 

Overview 

The Disk Overwrite software removes all data from the spool, swap, and outQ partitions of the DocuSP hard disk. The 
data cannot be retrieved. Data is overwritten in four passes using different patterns written to the entire disk or section 
of the disk. This four-pass algorithm conforms to U.S. Department of Defense Directive 8500.1. Of the four passes, 
the third pass is used to write 0x40404040 and the last pass is to verify (by reading and comparing) 0x40404040. An 
option is provided to perform a single pass (fast mode) disk overwrite. 

The data overwrite operation does not process defective or spare blocks for SCSI and FCAL drives. It also does not 
perform any special disk error recovery. If a higher secure data overwrite scheme is required, the Sun Solaris Format 
command Purge utility is available. Additionally, 3

rd

 party software with more flexibility and functions, such as 

UniShred Pro is available. However, it is not part of the DocuSP software nor is it supported by DocuSP. 

The Disk Overwrite procedure can be initiated from the DocuSP interface or from a UNIX command line. 

Requirements 

• 

DocuSP version 3.8 or higher 

• 

If running DocuSP 3.8, the Solaris Operating System version 8 for Disk Overwrite software only is required 
(part number 301E54050). 

NOTE: For systems originally installed with DocuSP 3.8 or earlier, a full scrape and new installation of the 
Solaris Operating System is required to partition the drive for the Disk Overwrite functionality. All saved jobs, 
fonts, forms, resources, and any other customer-installed software are deleted during the installation. 

• 

Minimally two 18 Gbyte disks or one 36 Gbyte disk in the Sun platform in order to support the disk partitioning 

• 

Disk Overwrite license enabled and activated on the DocuSP. 

Installation 

The DocuSP Disk Overwrite software is installed by a Xerox Service Representative following the instructions in the 
Installing the Disk Overwrite Software section of this document. 

NOTE: If a scrape install is required, all saved jobs, fonts, forms, resources, and any other customer-installed 
software saved on the DocuSP controller hard disk must be backed up to another medium prior to installation. 

Содержание 6100BD - Phaser Color Laser Printer

Страница 1: ...as UniShred Pro is available However it is not part of the DocuSP software nor is it supported by DocuSP The Disk Overwrite procedure can be initiated from the DocuSP interface or from a UNIX command...

Страница 2: ...are presented during the operating system installation Data Overwrite is planned to be used on this system Backup is planned to be used on this system Both options must be checked in order to run the...

Страница 3: ...re size the var spool XRXnps outQ partition Y N Enter Y to resize or N to use the default values If Y is entered the following information appears The current partition size is XX Gbytes If N is enter...

Страница 4: ...ative must run the conversion tool that updates the internal links for the new default locations by performing the following a Open a terminal window b Log on as root user and enter the root password...

Страница 5: ...root password Enter the root password then press Enter 9 A warning message is displayed asking if you are sure you want to start the Data Overwrite Type Y and press Enter 10 The Disk Overwrite proces...

Страница 6: ...at is to be overwritten To overwrite Active Jobs Completed Jobs Logs Saved Jobs and user added resources such as fonts or forms type opt XRXnps bin DataOverwrite f To overwrite Active Jobs Completed J...

Страница 7: ...edule for performing the Disk Overwrite process it is important to ensure that the environment for the DocuSP based printers is secure Xerox is committed to providing a level of security that allows t...

Страница 8: ...ite Start Logfile Created Successfully Tue Jul 22 14 43 25 2003 Reading in Commandline Args Tue Jul 22 14 43 25 2003 Checking License for DataOverwrite Feature License validated and approved for DataO...

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