HP StorageWorks 300, User Manual, Page: 140 / 180

c. From the front of the node, loosen the captive thumbscrews until the thumbscrews are free of
the rack.
d. Pull the node out from the rack until it stops.
e. Squeeze the release brackets (see Figure 86 ), then pull the node free from the rails.
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Figure 86 Rail release bracket
2. Install the new node into the rack. See Installing the VLS node(s) into a rack
3. Reconnect the cables to the new node exactly as they were connected to the previous node.
4. Con fi gure the node according to the instructions provided in Con fi gure primary node--node 0
5. Restore the previously saved con fi guration. See Disaster recovery .
Replacing a secondary node
CAUTION:
Each VLS300 node weighs 16.78 kg (37 lb) full. At least two people are required to lift and move
each node.
To replace a primary node:
1. Remove the existing node from the rack:
a. Power off the system. See Powering off the system .
b. From the back of the node, make a note of all cable connections then disconnect the cables.
c. From the front of the node, loosen the captive thumbscrews until the thumbscrews are free of
the rack.
d. Pull the node out from the rack until it stops.
e. Squeeze the release brackets (see Figure 86 ), then pull the node free from the rails.
2. Install the new node into the rack. See Installing the VLS node(s) into a rack
3. Reconnect the cables to the new node exactly as they were connected to the previous node.
4. Con fi gure the node according to the instructions provided in Con fi gure the secondary
node(s)—nodes1 through 7
5. Reboot the system. See Rebooting the system .
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Component replacement