Compaq RAID Array 4100 User Manual page 153

4 Compaq StorageWorks RAID Array 4100 User Guide
disk drive failures,
handling 5-33
functions
NetWare Online Array
Configuration Utility 5-27
optimizing array controller
performance 5-34
RAID level modification 5-31
stripe size migration 5-31
CRC D-1
create array screen
Array Configuration
Utility 5-24
illustrated 5-24
create logical drive screen
Array Configuration
Utility 5-25
illustrated 5-25
logical drive size 5-25
stripe size 5-26
Create Logical Drive screen
illustrated 5-10
creating a new array
choosing a controller 5-5
creating logical drives 5-9
grouping physical drives 5-7
manually 5-4
manually, example 5-5
creating logical drives 5-9
custom configuration,
defined 5-29
cyclic redundancy check See CRC
D
data
accessing E-4
bandwidth D-2
cached 1-9
critical E-6
distributed guarding E-5, E-7
accelerator ratio 5-31
drive rebuild 5-30
set priority 5-30
concurrently 1-7
improving performance 1-9
distributing E-10, 1-7
duplicate E-8
guarding E-5, E-7, E-8
integrity 1-9
ensuring D-1
loss of E-9, F-1, F-5
parity E-7, E-8
preserving E-12, 1-9
protecting E-1, E-4, E-5
from power failure 1-9
interim recovery mode E-10
rebuilding E-10
reconstructing E-7, E-8
recovering E-18, 1-9
redundancy E-5, E-8
reliability E-1, E-5, E-8, E-17
restoring F-5
automatically 1-5
server 1-9
striping See data striping
structured format D-6
transferring D-1, E-12
transmitting D-6
writing 1-9
data guarding 1-8. See also
RAID 4
distributed 1-8. See also
RAID 5
data striping E-5
definition E-10
devices, determining priority 1-6
disk drive failures,
instructions 5-33
Drive Arrays
capacity expansion,
example 5-12
capacity extension 5-14
choosing a controller,
illustrated 5-5
creating a new array 5-4
creating logical drives 5-9
expanding capacity 5-11
grouping physical drives of
same size 5-7
performance 1-10
probability of drive failure 5-7