HP VS80 DLT VS80 Tape Drive User's Guide - Page 38
novell netware frequently asked questions, NetWare Version, Driver Architecture - dlt driver download
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novell netware frequently asked questions http://www.hp.com/support/tape may have a later version hp learning products data protection drivers FAQs windows NT netware unix - SCO unix - linux frequently asked questions setting up a Novell NetWare server for tape backup with hp surestore tape drives contents of this section introduction native backup applications what is the difference between NWPA and the old DDFS ".dsk" driver architecture, and which architecture is supported by which versions of NetWare? how do I know what drivers (DDFS or NWPA) I am using at the moment, and what drivers I need for running tape backups? how do I tell if my tape drives and drivers are correctly set up? are there any important points I need to be aware of when changing drivers in my system? why does my autoloader not work correctly with ISV Backup Software, or the NetWare in-built backup applet? why does my ISV Backup Software not give me the option to specify that I am using ".ham" drivers when I install it? why do I get SCSI errors when using my tape drive? which HP SureStore DAT and DLT tape drives are certified by Novell, ISVs and IHVs for use on NetWare? how do I use the built-in Tape Backup applets provided by Novell? This topic is available in English only introduction As with most software development cycles, the Novell NetWare network operating system has been subject to a number of major and minor version releases over time. This has resulted in the widespread use of a number of different versions of NetWare. Earlier versions made use of a monolithic driver architecture known as DDFS (Device Driver Functional Specification), in which the SCSI HBA and peripherals such as disks and tapes, used drivers having the file extension ".dsk". Adding new devices to the monolithic architecture was problematic, so Novell introduced a new driver architecture called NWPA (NetWare Peripheral Architecture). With NWPA, a driver having the file extension ".cdm" (custom device module) is used to control the peripheral, and a separate driver having the file extension ".ham" (host adapter module) is used for the SCSI HBA. Although NWPA was adopted as the system of preference, the "old" DDFS architecture continued to be supported until NetWare Version 5.0. In addition, new minor releases in the NetWare 3.x (NetWare 3.2) and NetWare 4.x (NetWare 4.2) series were subsequently issued with support for both DDFS and NWPA. Downloadable "patches" were also made available to allow users with NetWare 3.12 and NetWare 4.11 to use the new NWPA architecture. This can be summarised as follows: NetWare Version NetWare 3.12 NetWare 3.2 NetWare 4.11 NetWare 4.2 NetWare 5.0 Driver Architecture DDFS (+ NWPA with Patches) DDFS and NWPA DDFS (+ NWPA with Patches) DDFS and NWPA NWPA only For further details, refer to the question "What is the difference between NWPA and the old DDFS ".dsk" architecture, and which architecture is supported by which versions of NetWare?" It is clear that, irrespective of the operating system version or tape drive vendor, problems are sometimes experienced by users attempting to set up NetWare systems (particularly using NWPA architecture) to perform tape backups. This "NetWare Tape Backup Frequently Asked Questions" document attempts to highlight and resolve many of these issues. It is recommended that you read the whole of the FAQ document rather than just specific questions. native backup applications Novell ships a built-in backup application with it NetWare operating systems. For NetWare versions prior to NetWare 5.0, the backup applet is called SBackup. It supports scheduling, full / differential / incremental backup strategies and monitoring of "jobs". It does not support Autoloaders. The NetWare 5.0 backup applet is SBCON. It supports scheduling, full / differential / incremental backup strategies and mid-flow monitoring of "jobs". It also allows backups and restores to be administered from a remote client using the application NWBACK32.EXE. SBCON has Autoloader support built-in. For further details, refer to the answer to the question "How do I use the built-in Tape Backup applets provided by Novell?" Note - Ultrium high performance tape drives: As a general rule, native backup applications do not provide the required data streaming rate to get the full performance of your Ultrium drive. We recommend using a backup application, which provides better memory management as well as other useful features, such as TapeAlert. HP, Computer Associates, Veritas, Legato and Yosemite all provide suitable products that have been tested with your Ultrium drives. For the latest list of backup packages that support your Ultrium drives, please contact your tape drive or library manufacturer. first question Go to the first question "What is the difference between NWPA (NetWare Peripheral Architecture) and the old DDFS (Device Driver Functional Specification) ".dsk" architecture, and which is supported by which versions of NetWare?" © 1999-2001, Hewlett-Packard Company file:///C|/Documents%20and%20Settings/topher.COL-SPRINGS/Desktop/dltvs80%20manual/document/common/drivers_faqs/eng/nw_home.htm [11/29/2001 8:34:42 AM]