About hot spares in the Storage Provisioning Option

Article:HOWTO23893  |  Created: 2010-01-01  |  Updated: 2011-08-31  |  Article URL http://www.symantec.com/docs/HOWTO23893
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About hot spares in the Storage Provisioning Option

If a storage array that has automatic rebuild capability loses virtual disk redundancy, it uses a physical disk as a hot spare to regain redundancy. If your storage array does not support an automatic rebuild capability, you must use vendor tools to manually rebuild the virtual disks. Refer to your storage vendor documentation for more information.

Use the Storage Array Configuration Wizard to specify the physical disks that you want to use as hot spares.

Before you specify a hot spare, refer to the following best practices:

  • Specify at least one hot spare for each enclosure. Although you can specify only one hot spare for all of the enclosures, consider the risk if more than one physical disk fails.

  • Specify the physical disks that are in slot 0 in the enclosures as hot spares. Then, you can quickly identify which disk is a hot spare.

  • Specify a hot spare that is at least the same size as the physical disk that it replaces. If the hot spare is smaller than the physical disk, the storage array cannot rebuild the virtual disk.

For more recommendations, refer to your storage array vendor's documentation.

See Changing a hot spare by using the Storage Array Configuration Wizard

See About using the Storage Array Configuration Wizard

See Configuring a storage array by using the Storage Array Configuration Wizard


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Article URL http://www.symantec.com/docs/HOWTO23893


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