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sudo cfs-admin config

The script will prompt for the CFSID you wish to modify and then display the same prompts from

initial configuration but with the current configuration displayed for each prompt. If you do not wish to

modify a particular parameter, simple press enter and the current value will remain in place. Some

parameters like the configured namespace that might strand or corrupt data are view only.

Note

The share you are attempting to edit must have been mounted at least once prior to

running cfs-admin config to ensure all configuration data is completely populated.

3.5.3.2. cns-admin

If the cns-admin script is re-run after initial configuration, it will prompt for the same questions again

but pre-populate the previously provided values and allow for modifications. The script can be run

using the same command as initial configuration:

sudo cns-admin

At the end, the script will prompt to restart CNS for the new parameters to take effect.

3.5.4. cfs-loglevel

cfs-loglevel is a tool that allows easy access to update the log level for all CFS and CNS logs. From

a command line as a root user, type 'cfs-loglevel', then select the desired log level from the dialog

box and click 'Ok'. The log level will be updated in the configuration files for both CFS and CNS and

will take effect immediately with no required process restart.

3.6. DX Storage Metadata and Policies

Along with the standard file system attributes that are associated with a file stored in DX Storage

CFS, additional metadata and lifecycle policies can be stored with files when they are stored in DX

Storage. This metadata can assist with storage management and data movement through various

life cycles. All metadata and policies are specific to DX Storage and are not visible from within the

file system.

Metadata and policies are specific to each mountpoint so it is advisable to configure separate

mountpoints in cases where distinct metadata values would be helpful. For instance, to distribute

content based on the branch office a file originated from, set up a mountpoint for each branch office

and add a custom metadata attribute with the branch office name that would be added to each file

stored. Similarly, to store more replicas of files needed by the Media department due to frequent

read activity, setup a separate mountpoint for the Media department with a Lifecycle policy for

additional replicas and leave all other departments utilizing a mountpoint with a lifepoint policy for

fewer replicas.

As a baseline for file metadata, DX Storage CFS will automatically add the following system

attributes on all streams stored in DX Storage:

• Castor-CFS-Server: the name of the server from which the file was originally stored

• Castor-CFS-Version: the version of the CFS software that originally stored the file

• Content-Type: the file's mimetype

• CAStor-CFS-CFSID: the name of the mountpoint id through which the file was originally stored

Version 2.6

February 2011