IBM SY33-0193-00 28

Figure 5. Installing theCollar and Pin ofthe Fast-Write Cache Card

5. Hold the collar .2/ so that its split end is downward.

6. Install the collar into the Fast-Write Cache card so that its split end is downward.

7. Install the pin .1/ into the collar, and push it fully home.

8. Reinstall the adapter card into the system unit (see the service information for the

system unit).

28 IBM SerialRAID Adapter Maintenance Information

Contents

Main Page IBM First Edition (October 1998) Contents iv About This Supplement How This Book Is Organized Page Introducing the IBM SerialRAID Adapter IBM SerialRAID Adapter Installation and User's Guide General Information 2 Service Request Numbers (SRNs) Installation and User Guide Displaying SRNs The SRN Table 4 1. Find the SRN in the table. Do not exchange adapters unless you are instructed to do so Do not exchange any DRAM modules yet Service Request Numbers (SRNs) 5 Installation and Users Guide 6 Service Request Numbers (SRNs) 7 8 Installation and User Guide Service Request Numbers (SRNs) 9 10 Service Request Numbers (SRNs) 11 Software and Microcode Errors SSA Loop Configurations that Are Not Valid 12 It is important that you do these actions IBM SerialRAID Adapter: Installation and User's Guide Page Page SSA Link Errors SSA Link Error Problem Determination Link Status Lights 16 Locating a Broken Loop Page Removing and Replacing FRUs Exchanging Disk Drives Replacement Disk Drives Exchanging a Non-Array Disk Drive Using the DOS Configurator Using the RSM Configurator Exchanging an Array Disk 20 Exchanging an Array Disk Using the DOS Configurator Exchanging an Array Disk Using the RSM Configurator Exchanging DRAMs on the IBM SerialRAID Adapter Removing a DRAM 22 Installing a DRAM Exchanging the Fast-Write Cache Card Removing the Cache Card Page Page Installing the Cache Card Installation and User Guide 26 Page 28 Service Aids and Other Utilities Disk Service Aids IBM SerialRAID Adapter: Installation and User's Guide Accessing Service Aids from the DOS Configurator Accessing Service Aids from the RSM Configurator 30 Service Mode not To Set Service Mode with the DOS Configurator 32 To Set Service Mode With the RSM Configurator Format Disk 34 To Format Using the DOS Configurator To Format With the RSM Configurator Certify Disk To Certify using the DOS Configurator To Certify With the RSM Configurator 36 The Identify Function To Identify with the DOS Configurator To Identify With the RSM Configurator Download Microcode Function Finding the Physical Location of a Device Finding the Device When Service Aids Are Available 38 real along The Event/Error Logger Analyze SSA Event Log View SSA Event Log Stop SSA Event Logging Modify Event Logger Time Out Page Maintenance Tasks free IBM SerialRAID Adapter Installation and User's Guide Converting a New Resource to a Free Resource Using the RSM Configurator: 42 Deleting a Resource from the System Resource List Using the DOS Configurator: Removing a Disk Drive from an Array Listing or Deleting Records of Old Arrays in the NVRAM Adding a Disk Drive to an Array physically 44 Hardware Maintenance Manual Modifying Attributes of Resources Creating an Array To create an array: To select the disk drives for the array: free 46 Attaching a Resource to the System Page Maintenance Analysis Procedures (MAPs) Introduction to Using the MAPs A Note on Configurator Utilities Page MAP 2010: START do not turn off the system when servicing the SSA loop MAP 2010 (continued) 2010-2 Page Page MAP 2320: SSA Link MAP 2320 (continued) 2320-2 Page MAP 2320 (continued) 2320-4 Page Page MAP 2323: SSA Intermittent Link Error MAP 2323 (continued) 2323-2 each Page MAP 2324: SSA RAID 2324-2 Page 2324-4 Before 2324-6 Page 2324-8 Page 2324-10 not 2324-12 Page 2324-14 Page 2324-16 Page 2324-18 Page Page MAP 2410: SSA Repair Verification MAP 2410 (continued) 2410-2