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Portlock Disk Test

 

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Key Features:

This software runs as an NLM on a NetWare server. For NetWare 3.x and 4.x servers, both the NWIO (DSK) and NWPA (HAM) device driver interfaces are supported. For NetWare 5.x, only the NWPA (HAM) interface is supported.

An option is provided to automatically Hotfix defecting sectors. When media errors are detected, the sector will be replaced with a spare hotfix block.

The System Data Area is a very important part of the NetWare partition. If bad sectors are discovered in this area of the partition, the entire partition will fail in the future. This software will detect errors in this area, giving you advance notice that the disk drive needs to be replaced.

Various verify methods are supported:

Best new technology award at FOSE 2001 1.Read-Only sequential verify. This method performs a read only sequential scan of the disk drive. Various block sizes are supported from 1 sector to 512 sectors per I/O. No data is written to the drive. This method is also a quick method to determine the read performance of a disk drive.

2.Read-Only random verify. This method performs a read only random scan of the disk drive. The software generates a random number that is used to determine the sector to read. Various block sizes are supported from 1 sector to 512 sectors per I/O. No data is written to the drive. This method is also a quick method to determine the random I/O performance of a disk drive.

3.Read-Write sequential verify. This method verifies that data can be written to a disk drive and then read back. A data pattern that is unique to each sector is written to the disk and then compared on read back. Various block sizes are supported from 1 sector to 512 sectors per I/O. For this verify mode an option is to perform an extensive verify which writes multiple data patterns to the disk drive. This includes performing a bit-walk data pattern to detect missing sector bits. Data is written to the drive, which will destroy all partitions, volumes and data on the disk drive.

4.Read-Write random verify. This method verifies that the data can be written to a disk drive and then read back. The software generates a random number that is used to determine the sector to write / read. Various block sizes are supported from 1 sector to 512 sectors per I/O. For this verify mode an option is to perform an extensive verify which writes multiple data patterns to the disk drive. This includes performing a bit-walk data pattern to detect missing sector bits. Data is written to the drive, which will destroy all partitions, volumes and data on the disk drive.

Virtual Library Support - NetVault backups do not always have to be directed to a physical media device, NetVault allows users with the ability to perform backups directly to a virtual library in which drives, libraries and slots have been created on a hard drive. This method takes advantage of higher speed data transfer methods such as fibre channel and maximizes backup performance.

...Training Video


 
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