nStor Corporation Ultra S2S User Manual page 53

Raid controller with administor pc utilities
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Press <Esc> to return to the previous menu.
5
6
Use the arrow keys to highlight Physical Parameters and press <Enter>.
AdminiStor PC Utilities
2 Channel - 16 Targ, 16MB SX DAC960SX at p1 0000 c0
<F1>= help
Item Help
This parameter sets the default value of the Rebuild and Parity Check rate
value that is used unless changed with the Rebuild Control command. This
value times 2 approximates a cpu utilization percentage.
Use Cursor keys for selection, <Enter> to select, <Esc> to Previous Menu
a
Set the value for the "Default rebuild rate." This value is the percentage
of controller activity devoted to the rebuild operation. A value of 50
indicates 50% CPU allocation to the rebuild. The default setting is 50.
Ensure that the "Controller read ahead" option is set to Enabled and the
b
"Super read ahead" option is set to Disabled. These settings will ensure
optimum performance.
c
Ensure that the "True Verification of Data" option is set to Disabled.
Enabling this feature may cause a degraded performance.
d
Set the stripe size of the array. Use the arrow keys to select Stripe size <K
bytes> and press <Enter> to change the value displayed. Repeat
pressing the <Enter> key until the desired parameter value appears.
CAUTION:
Data loss will occur if you change the stripe size on a controller with
existing logical arrays. Always back up all of the drives before
making a stripe size change, and always reconfigure and initialize the
logical array after a new stripe size is saved.
Physical Parameters
Default rebuild rate
Controller read ahead
Super read ahead
True Verification of Data
Stripe Size <K bytes>
Installation Abort
Reassign Restricted to 1 blk
Write Through Verify
RAID 5 Algorithm
Configuration
Version 7.11
Firmware: t6, v3.33-00
50
Enabled
Disabled
Disabled
64
Disabled
Disabled
Disabled
Right Asym
Configuring the Array
43

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