Galaxy Metal Gear 65 Manual De Usuario
Galaxy 65 User Guide
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Typically, if your drives are part of an array, you do not want to turn on write-back cache on the drives.
The Galaxy 65 Subsystem is already using write-back cache to improve performance. Turning on write-
back cache on the disk drive may improve performance in some cases, depending on the type of array
and how you are using it.
The Galaxy 65 Subsystem is already using write-back cache to improve performance. Turning on write-
back cache on the disk drive may improve performance in some cases, depending on the type of array
and how you are using it.
Any disk drives with write-back cache enabled should be connected to an Uninterruptible power supply
(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.
(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.
Caution
We recommend that you disable disk write-back cache. Some drives delete their write-back cache if they
encounter an internal error, resulting in lost data.
encounter an internal error, resulting in lost data.
To change the write-back cache setting:
1
From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu displays.
The Configuration Menu displays.
Select Disk Configuration and press Enter.
The Disk Configuration screen displays.
The Disk Configuration screen displays.
2
Select Write-back Cache and press Enter.
The Write-back Cache screen displays. The current setting is marked with an * next to it.
The Write-back Cache screen displays. The current setting is marked with an * next to it.