Dell PowerVault MD3000i User Manual

Page 32

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Dell™ PowerVault MD3000 and MD3000i Array Tuning Best Practices

December 2008 – Revision A01 

Page 32 

Term Definition

by t10.org

Segment

A segment is the data written to one drive in a virtual
disk group stripe before writing data to the next drive in
the virtual disk group stripe.

Short I/O

Any I/O that consumes less that 1/3 of available cache
memory that can be handled within cache, effectively a
cached operation.

SQL

Structured Query Language; flexible markup language
for computer databases maintained by ANSI and ISO.

Stripe

A set of contiguous segments spanning across member
drives.

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