Wwn Card Replacement Task Guide; Time And Items Required For Replacement - IBM SAN512B-6 Installation, Service And User Manual

WWN card replacement task guide

This section contains a guide to more complete, detailed steps in this section for
installing or replacing WWN careds when the device is running (hot swap) or
must be powered off (cold swap). References are provided to the more detailed
WWN removal and installation steps for further information.
Replacing WWN cards (hot-swap)
Use this procedure to replace WWN cards with system power on. You can use this
procedure to replace one WWN card assembly at a time while power is on. To
replace both cards, follow all steps for one card, and then repeat the same steps to
replace the other card assembly.
1. Save settings and system data and order replacement WWN card(s) by
2. Replace a card by following all steps under "Hot-swap replacement" on page
3. If RASlog messages indicate a mismatch between fan and system airflow
4. Verify WWN card operation using steps under "Verifying WWN card
Replacing WWN cards (cold-swap)
Use this procedure to replace WWN cards with system power off. You can use this
procedure to replace one or both WWN cards.
1. Save settings and system data and order replacement WWN card(s) by
2. Replace card(s) by following all steps under "Cold-swap replacement" on page
3. If RASlog messages indicate a mismatch between fan and system airflow
4. Verify WWN card operation using steps under "Verifying WWN card

Time and items required for replacement

If there is a need to replace one or both WWN cards, allow approximately 20
minutes. Refer to "Using the wwnrecover utility" on page 151 and "WWN card
fault indicators" on page 148 before replacement.
The following items are needed to replace the WWN cards:
v Electrostatic discharge (ESD) grounding strap
v #1 Phillips screwdriver
v Workstation computer
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SAN512B-6 Installation, Service, and User Guide
following all steps under "Preparing for WWN card replacement" on page 152.
153. Repeat these steps to replace the second WWN card if necessary.
direction, follow steps under "Configuring airflow direction on WWN cards"
on page 157.
operation" on page 159.
following all steps under "Preparing for WWN card replacement" on page 152.
154.
direction, follow steps under "Configuring airflow direction on WWN cards"
on page 157.
operation" on page 159.