Technical information

Glossary
Manual No. 775029 G-29
Stripe Size
The size of the logically contiguous data block mapped to a single disk. A
stripe of data (data residing in actual physical disk sectors, which are
logically ordered first to last) is divided over all disks in the drive group.
☛ Note
Controllers using Mylex PCI Firmware Version 6.0
and above allow the setting of stripe size per logical
drive. Controllers using older firmware allow only a
single stripe size for all logical drives on the
controller.
Stripe Width
The number of striped SCSI drives within a drive group.
Striping
Refers to the storing of a sequential block of incoming data across multiple
SCSI drives in a group. For example, if there are 3 SCSI drives in a group,
the data will be separated into blocks and block 1 of the data will be stored
on SCSI drive 1, block 2 on SCSI drive 2, block 3 on SCSI drive 3, block 4
on SCSI drive 1, block 5 on SCSI drive 2 and so on. This storage method
increases the disk system throughput by ensuring a balanced load among all
drives.
Sub-system Storage
A collection of disks providing data storage space to a system user.
Sustained Data Transfer Rate
A rate of data transfer defined for continuous operation at a maximum speed
level.
Synchronous data transfer
Data transmission synchronized to a defined time interval; faster than
asynchronous SCSI because there is no wait for acknowledgement of each
byte from the receiving device.