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AIX 5L Disk Storage Management and Recovery Procedures

Course Code : Code SA91
Course Duration : 1 Day – Hands on
Course Fee : 35,000 PKR
Operating System : AIX 5L Version 5.3
Course Location : Karachi
Course Starting Date : To Be Assigned

This course is specially designed for AIX System Administrators. Replacing a disk is not an easy task. System administrators must know the procedures to replace and fix a disk without corrupting the systems. In essence, disk storage administration is an important part of an administration that needs sizeable consideration from management point of view. 

This course is targeted for system administrators with at least six months experience in AIX and with other relevant education.

Participants should be experienced System Administrators and should have previously attended IBM AU14 with sufficient understanding of using AIX  Logical Volume Manager.

At the end of this session, individual will be able to identify how to replace a disk under different conditions and able to recover from a total Volume Group failures.

Course Outline: 
On successful completion of this course, students should be able to

Disk Management Theory   Disk Management Procedures
  • LVM Terms 
  • Volume Group Limits 
  • Mirroring Striping 
  • Mirroring and Striping with RAID 
  • Basic LVM Tasks 
  • LVM Data Representation 
  • LVM Data on Disk Control Blocks 
  • LVM O/S Data 
  • Contents of the VGDA 
  • The Logical Volume Control Block (LVCB) 
  • LVM interaction with the ODM and VGDA 
  • ODM entries for PVs, VGs and LVs 
  • ODM-related LVM Problems 
  • Fixing ODM problems 
  • Mirroring 
  • Stale Partitions 
  • Mirrored LVs 
  • Mirror Write Consistency 
  • Mirroring rootvg 
  • VGDA Count  and Quorum
  • Disk Replacement Techniques 
  • Replacing a rootvg Disk 
  • Total Disk Failure 
  • Volume Group Failure
  • Total non-rootvg Failure 
  • Disk Replacement Failures 
  • Importing and Exporting a Volume Group 
  • Import/Export Issues 
  • Saving and Restoring Volume Groups
  • Creating a System Backup (mksysb) 
  • Verifying the System Backup 
  • The mksysb File 
  • Restoring a mksysb 
  • Changing the Partition Size in rootvg 
  • Reducing a Filesystem in rootvg 
  • Removing an Alternate Disk Installation 
  • Saving and Restoring non-rootvg Volume Groups 
  • Error Logging Components 
  • Generating an Error Report 
  • Types of Disk Errors
  • LVM Error Log Entries




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