Rorke Data The Galaxy 65 Specifikace stáhnout pdf (Strana 96)

Chapter 5: Configuration Parameters

Controller Parameters 5-11

RAID controller(s) manage all aspects of a subsystem’s operations,

and hence some generic settings, such as the general caching mode,

is placed here.

The configurable options include:

Caching Parameters:

Write-Back Cache: Write-back allows caching

unfinished writes and distributing them to hard drives

in a more efficient way. One drawback is that if

power outage occurs and there is no battery backup,

data loss might result.

Periodic Cache Flush Time: For installations

without battery backup or with a concern that cache

memory will be occupied and jammed with the sync.

Cache communications between RAID controllers,

periodic flush of cached data may be a good idea.

Controller Parameters:

Controller Name: The controller represents the

whole subsystem and makes the subsystem easily

located in a multi-array installation.

Unique Identifier: With the identifier, firmware can

implement unique port names, MAC addresses, etc.

All controllers come with a default, and it is

recommended to keep the default value.

Time Zone: Galaxy’s Subsystems use GMT

(Greenwich Mean Time), a 24-hours clock

implemented with the RTC. To change the clock to

your local time zone, enter the hours later than the

Greenwich mean time after a plus (+) sign. For

example, enter “+9” for Japanese time zone.

Date & Time: Enter appropriate numbers in the

associated columns.

Click on the APPLY button for your configuration to take effect. Note

that changing the optimization mode will not take effect until your

move your data elsewhere and re-create your RAID arrays.

The SAVE CFG button allows you to save your current configuration

as an XML file.

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Rorke Data The Galaxy 65 Specifikace Strana 96