Dell DX6000 Administration Manual

Download Administration manual of Dell DX6000 Desktop, Server for Free or View it Online on All-Guides.com.

Brand: Dell

Category: Desktop , Server , Software , Storage

Type: Administration manual

Model: Dell DX6000 , Dell DX6004S , Dell DX6012S

Pages: 74 (2.04 Mb)

Download Dell DX6000 Administration manual

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Copyright © 2010 Caringo, Inc.
All rights reserved 54
Version 5.0
December 2010
Appendix C. Upgrading a License or Cluster
C.1. Upgrading a License File
It may periodically be necessary to update DX Storage's license file to add additional capacity
or update customer information. All new license files must be either issued by your support
representative or generated from the Licensing page of the CSN Console to ensure they have an
electronic signature that is recognized and approved by DX Storage. When updating an actively
running cluster with a new license file, the updated file must retain the same file name and be
placed in the same location the cluster currently uses, as defined in the licenseFileURL parameter of
the node or cluster configuration file. The default location is the Caringo directory of the local node's
USB drive or centralized configuration server. Alternatively, if installing from a CSN, an updated
license file will automatically be placed in the correct location when the license file is published from
the CSN Console. DX Storage will check this license file every 15 minutes.
If the file is found to have changed, DX Storage will validate the license and update the customer
information and/or licensed capacity as necessary. Following a successful license update on a
running cluster, there will be an announcement message once per node in the syslog and on the
admin console. If a license update fails to validate a new license file, then the cluster nodes will
report a critical error message on both the console and in the syslog. In the event of a failed update,
DX Storage will continue to use the previous license file until the validation error is corrected.
Note
If the license file is located on an HTTP server that is not available when DX Storage
starts, DX Storage will analyze the file for updates when it becomes available again and
may publish a corresponding update announcement in the syslog and on the admin
console, even if the file itself has not changed.
C.2. Software Upgrade Overview
The simple upgrade process for DX Storage involves shutting down all nodes in the cluster,
upgrading the software, and rebooting the nodes. Rolling upgrades are also supported for
customers who cannot tolerate cluster downtime. Preparations for both types include checking to
assure that all nodes are healthy, collecting configuration information, and planning the maintenance
window activities. If installing from a CSN, please reference the Cluster Services Node Installation
and Configuration Guide for instructions on upgrading your DX Storage software on the CSN.
C.2.1. Preparation
1. Obtain upgraded DX Storage software
2. Read release notes
3. Collect node configuration data and backup configuration and license files
4. Prepare node configuration data on new USB boot devices or your centralized configuration
server
5. Verify health of all nodes
6. Schedule an off-line window for the cluster
The software release notes that are contained on the new boot devices should be read prior to
starting the cluster upgrade. This is necessary in order to learn about feature changes, operational