Dell DR4300 DR Series System Administrator Guide - Page 111

Best Practices: Rapid CIFS, Setting Client-Side Optimization

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Best Practices: Rapid CIFS This topic introduces some recommended best practices for using Rapid CIFS operations with the DR Series system. Containers must be of RDA containers cannot use Rapid CIFS. If you have existing NFS/CIFS containers, you do not type NFS/CIFS need to create new containers to use Rapid CIFS; you can install the plug-in (driver) to existing clients. The Rapid CIFS plugin (driver) must be installed on client systems After the plug-in is installed, write operations will go through Rapid CIFS while metadata operations such as file creates and permission changes will go through the standard CIFS protocol. Rapid CIFS can be disabled by uninstalling the plug-in. Your DR Series Rapid CIFS is available with a DR Series system and a client with a minimum of 4 CPU cores system must meet the running at a minimum of 4 GHz cumulative processing power and 2 GB memory. For a list of minimum supported operating systems, see the Dell DR Series System Interoperability Guide. configuration If you update your operating system, you must update your Rapid CIFS plug-in as well. Updates are available on the Support site as well as within the GUI on the Clients page. Rapid CIFS is stateful If the DR Series system goes down, the connection will terminate. DMAs will restart from the last checkpoint. Rapid CIFS and passthrough mode Rapid CIFS acceleration constraints If Rapid CIFS mode fails for any reason, the DR Series system falls back to regular CIFS mode automatically. For details, see Monitoring Performance. Rapid CIFS does not support: • NAS functionality - Optlocks (but supported if a single client is writing) - Byte-range locks • Optimization of very small files (less than 10 MB). File size can be adjusted using configuration settings. • FILE_NO_IMMEDIATE_BUFFERING and FILEWRITE_THROUGH operations (sent via CIFS only). • File path size greater than 4096 characters Setting Client-Side Optimization Client-side optimization (also known as client-side deduplication) is a process that can contribute to saving time performing backup operations and reducing the data transfer overhead on the network. To configure dedupe/passthrough before the client makes a connection, you need to use the DR Series system command line interface (CLI). NOTE: To update a client in the DR Series system GUI, the client must already be attached (and therefore enabled to appear in the GUI). If a client connection exists, you can select the radio button in the GUI to modify it. You can turn On or turn Off client-side optimization by using the CLI commands, rda --update_client --name --mode. For more information about DR Series system CLI commands, see the Dell DR Series System Command Line Reference Guide located at dell.com/powervaultmanuals (by selecting your particular DR Series system). 111

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Best Practices: Rapid CIFS
This topic introduces some recommended best practices for using Rapid CIFS operations with the DR Series system.
Containers must be of
type NFS/CIFS
RDA containers cannot use Rapid CIFS. If you have existing NFS/CIFS containers, you do not
need to create new containers to use Rapid CIFS; you can install the plug-in (driver) to existing
clients.
The Rapid CIFS plug-
in (driver) must be
installed on client
systems
After the plug-in is installed, write operations will go through Rapid CIFS while metadata
operations such as file creates and permission changes will go through the standard CIFS
protocol. Rapid CIFS can be disabled by uninstalling the plug-in.
Your DR Series
system must meet the
minimum
configuration
Rapid CIFS is available with a DR Series system and a client with a minimum of 4 CPU cores
running at a minimum of 4 GHz cumulative processing power and 2 GB memory. For a list of
supported operating systems, see the
Dell DR Series System Interoperability Guide
.
If you update your operating system, you must update your Rapid CIFS plug-in as well. Updates
are available on the Support site as well as within the GUI on the
Clients
page.
Rapid CIFS is stateful
If the DR Series system goes down, the connection will terminate. DMAs will restart from the
last checkpoint.
Rapid CIFS and
passthrough mode
If Rapid CIFS mode fails for any reason, the DR Series system falls back to regular CIFS mode
automatically. For details, see
Monitoring Performance
.
Rapid CIFS
acceleration
constraints
Rapid CIFS does not support:
•
NAS functionality
–
Optlocks (but supported if a single client is writing)
–
Byte-range locks
•
Optimization of very small files (less than 10 MB). File size can be adjusted using
configuration settings.
•
FILE_NO_IMMEDIATE_BUFFERING and FILEWRITE_THROUGH operations (sent via CIFS
only).
•
File path size greater than 4096 characters
Setting Client-Side Optimization
Client-side optimization (also known as client-side deduplication) is a process that can contribute to saving time
performing backup operations and reducing the data transfer overhead on the network.
To configure dedupe/passthrough before the client makes a connection, you need to use the DR Series system
command line interface (CLI).
NOTE:
To update a client in the DR Series system GUI, the client must already be attached (and therefore enabled
to appear in the GUI). If a client connection exists, you can select the radio button in the GUI to modify it.
You can turn On or turn Off client-side optimization by using the CLI commands,
rda --update_client --name --mode
. For
more information about DR Series system CLI commands, see the
Dell DR Series System Command Line Reference
Guide
located at
dell.com/powervaultmanuals
(by selecting your particular DR Series system).
111