Maintaining the System
The following sections describe how to maintain the system.
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“Viewing System Disks Status” on page 268
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“Working with Support Bundles” on page 268
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“Performing the Initial Setup” on page 272
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“Performing a Factory Reset” on page 272
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“Backing Up the Configuration” on page 273
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“Working with Software Notifications and Updates” on page 280
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“Updating Software on a Single Controller” on page 283
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“Updating Software on Clustered Controllers” on page 287
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“Working with Health Checks” on page 294
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“Applying Deferred Updates” on page 299
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“Working with Firmware Upgrades” on page 307
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“Rolling Back System Software” on page 309
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“Removing an Update Package” on page 311
For information on servicing the hardware components, see the appropriate section:
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“Servicing the ZS4-4 Controller” on page 44
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“Servicing the ZS3-4 Controller” on page 76
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“Servicing the ZS3-2 Controller” on page 112
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“Servicing the 7x20 Controller” on page 156
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“Servicing the Disk Shelves” on page 234
To become familiar with the replaceable parts of the system, see the appropriate
hardware overview section. Be sure to read sections “Getting Started with Servicing the
Hardware” on page 11 and “Prerequisites for Servicing Hardware” on page 39.
Maintaining the System 267