Advanced features, Advanced, Features – Dell PowerVault 775N (Rackmount NAS Appliance) User Manual
Page 87: System requirements
Advanced Features
Dell™ PowerVault™ 77xN NAS Systems Administrator's Guide
Using the Redundant Memory Feature
Installing Multilanguage User Interface (MUI) Support
Installing and Configuring Support for Other Languages
Microsoft Directory Synchronization Services
This section includes descriptions of advanced features that cannot be performed from the Dell™ PowerVault™ NAS Manager.
To perform the procedures in this section, you must use the Terminal Services Advanced Client. To access the Terminal
Services Advanced Client, perform the following steps:
1. Log in to the NAS Manager.
2. From the NAS Manager, click Maintenance.
3. Click Terminal Services.
4. Log on as an administrator.
NOTE:
The default administrator user name is administrator and the default password is powervault.
Using the Redundant Memory Feature
The NAS system's redundant memory feature (also known as "memory spare row") allows the system to identify a row of
faulty RAM and to hot-swap the faulty memory with a reserved row of memory. The chip set reports a faulty row when the
threshold of single-bit ECC errors in a single bank is exceeded. When a faulty row is reported, the system copies the faulty
row to the spare row and then configures it for access.
System Requirements
To use the redundant memory feature, your NAS system must meet the following requirements:
All three banks of system memory must use the same type of DIMM.
The system must be operating in memory-interleaved mode.
Considerations for Using Redundant Memory
When the redundant memory feature is enabled, only two-thirds of the installed memory is available to the system.
The redundant memory feature is supported on a per-bank basis. The smallest unit of redundant memory is a bank.
The spare bank can be used only once per boot. After a bank is swapped, the system has no more redundant memory
until it is reset.