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IBM ServeRAID-8k

IBM ServeRAID-8k
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ServeRAID-8 Series
Best Practices and Maintenance
Information
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Table of Contents

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IBM ServeRAID-8k Specifications

General IconGeneral
Maximum Drives Supported256
Battery Backup UnitOptional
Max Devices Supported256
Controller TypeRAID
RAID Levels Supported0, 1, 5, 10, 50
InterfacePCI-X
Storage Temperature-40 to 70 °C
Humidity8% to 90% non-condensing

Summary

ServeRAID-8 Series Best Practices and Maintenance

Obtaining ServeRAID Updates

Provides instructions on how to download the latest ServeRAID software and firmware updates from the IBM website.

Initializing and Synchronizing Drives

Synchronizing Logical Drives After Firmware Upgrade

Explains the need for synchronization after firmware upgrades from older builds.

ServeRAID Manager and Synchronization Options

Synchronization Options and Performance Impact

Discusses synchronization methods (QuickInit, AutoSync, Clear) and their performance implications.

Physical Drive Write-Cache Policies

Handling Defunct Hard Disk Drives

Defunct Drives May Return to Normal After Restart

Describes how defunct drives might reappear operational after a system restart.

Automatic Failover and Background Task Performance

Automatic Failover Feature Explained

Details the Automatic Failover feature and its interaction with replaced drives.

Drive Replacement and Maintenance

Replacing and Rebuilding a Drive in a PFA State

Procedure for replacing a drive detected with Predictive Failure Analysis (PFA).

Zero-Mode Flash Update Procedures

Zero-Mode Flash Update Overview

Introduces zero-mode flash as a recovery procedure for failed firmware updates.

ServeRAID-8 i Zero-Mode Flash

Zero-Mode Flash for ServeRAID-8 i (Optional Controller)

Step-by-step guide for performing a zero-mode flash on ServeRAID-8i controllers.

ServeRAID-8 s Zero-Mode Flash

Zero-Mode Flash for ServeRAID-8 s (Optional Controller)

Step-by-step guide for performing a zero-mode flash on ServeRAID-8s controllers.

ServeRAID-8 k8 k-l Zero-Mode Flash (BladeCenter)

Zero-Mode Flash for ServeRAID-8 k8 k-l (BladeCenter Storage Expansion Unit 3)

Instructions for zero-mode flash on ServeRAID-8k/8k-l in BladeCenter Storage Expansion Unit 3.

ServeRAID-8 k8 k-l Zero-Mode Flash (System x3650)

Zero-Mode Flash for ServeRAID-8 k8 k-l (System x3650)

Instructions for performing a zero-mode flash on ServeRAID-8k/8k-l in System x3650.

ServeRAID-8 k8 k-l Zero-Mode Flash (System x3550)

Zero-Mode Flash for ServeRAID-8 k8 k-l (System x3550)

Instructions for performing a zero-mode flash on ServeRAID-8k/8k-l in System x3550.

ServeRAID-8 k8 k-l Zero-Mode Flash (System x3500)

Zero-Mode Flash for ServeRAID-8 k8 k-l (System x3500)

Instructions for performing a zero-mode flash on ServeRAID-8k/8k-l in System x3500.

Drive and Array Status Management

RAID 5 EE Drive Failure Handling

System Hangs and Crashes

Evaluating Hard Disk Drive Problems

Array Recovery Operations

Force-Online Operation Details

Getting Help and Technical Assistance

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