
High availability (HA) appliance compute node and storage shelf
service considerations
Attention: When you service an HA or a multi-node appliance that requires the attached storage
shelves to be turned off, you must turn off the secondary compute node first before you turn off the
primary compute node.
When you turn on the storage shelves and compute nodes after completing the service, turn on the
primary compute node first before you turn on the secondary compute node.
About replacing the Veritas 5U84 Storage Shelf rails
This document describes how to replace the rails for a Veritas 5U84 Storage Shelf. The rail kit
replacement requires that the storage shelf be removed from the rack.
Before you can remove the storage shelf, all programs that are running on the appliance must be
stopped. The appliance must then be shut down and then turned off.
You must remove all the hard disk drives and blanks from the storage shelf and place them on an
ESD-protective surface. Because of the extreme weight of a fully populated storage shelf, shelf
distortion may occur if the drives are left in place while the shelf is removed from the rack. Enlist two
or more people to remove the storage shelf from the rack or use a mechanical lift.
Requirements
Verify you have the following items:
• Replacement 5U84 storage shelf rail kit
• Screwdriver with a Torx T20 bit
• Removable labels with which to label components and disk drive slot locations
• Marker to write on the removable labels
• ESD-compliant wrist strap
• ESD-compliant surface
Removable components
The following components must be removed from the affected storage shelf before removing it from
the rack.
• Bezels
2
HSP 325: 5U84 Storage Shelf Rail Kit Replacement