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ROCSECURE – Guardian 4RT Secure Raid System
User Manual Page | 54
Stripe Size
This parameter sets the size of the stripe written to each disk in a RAID 0, 1, 1+0, 3, and 5
Volume Set. You can set the Stripe Size to 4 KB, 8 KB, 16 KB, 32 KB, 64 KB, or 128 KB.
A larger Stripe Size produces better read performance, especially if the host server does
mostly sequential reads. However, if you are sure that the host server does random
reads more often, select a small Stripe Size.
NOTE: Stripe Size in RAID level 3 can’t be modified.
Cache Mode
The Guardian 4RT supports Write-Through Cache and Write-Back Cache.
SATA Data Xfer Mode
The Guardian 4RT supports SATA150, NCQ, SATA300, and NCQ data
transfer mode.
Channel
Select the Host Channel for mapping the Volume Set. Options are: SATA, USB, and SATA & USB.
NOTE: Only the eSATA port can be used in SATA Data Xfer Mode. Select only
“SATA” in the Channel option.
Drive #
Drive # options are: 0, 1, 2, and 3.
Each Host Channel can support maximum 4 Volume Sets.
eSATA: Port Multiplier Emulation: DEV# 0 ~ 3 (#4 ~ #15: Reserved)
USB: LUN# 0 ~ 3 (#4 ~ #15: Reserved)
Delete Volume Set
To delete a Volume Set , select the Volume Set Functions in the main menu and click
on the
Delete Volume Set
link. The
Select the Volume Set to Delete
screen will show
all available Raid Sets. Click on a Raid Set and check the
Confirm the Operation
option
and then click
on the
Submit
button to show all Volume Sets in the selected Raid Set.
Click on a Volume Set and c heck the
Confirm the Operation
option. Click
on the
Submit
button to delete the Volume Set.
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