DataDirect Networks EF2800, User Manual

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DataDirect Networks EF2800 FC RAID Storage System User Guide (V 1.0)
M a n a g i n g D i s k D r i v e s a n d E n c l o s u r e s
G.1.4 Displaying Disk Cache Status
You can display the cache status of each disk drive. Any disk drives
with write-back cache enabled should be connected to a UPS in case of
power failure. If the drives are not on a UPS and power is lost during
disk writes, the array will lose any data in the disk’s write-back cache.
To display disk cache status:
1.
From the System Menu, select
Utilities Menu
and press <Enter>.
The Utilities Menu displays.
2.
Select
Drive Utilities Menu
and press <Enter>. The Drive Utilities
Menu displays
(Figure 153)
.
3.
Select
Display Drive Cache
and press <Enter>. The Select Drives
screen displays.
4.
Select a drive and press <Enter>. The Cache Status screen displays
showing the status of the read and write cache
(Figure 154)
.
5.
Press <Esc> to return to the Drive Utilities Menu.
Figure 153. Drive Utilities Menu
Figure 154. Cache Status Screen