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AIX-AK FZK 2005
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48 pages, 1.35 Mb
IBM Systems Group
AIX-AK FZK 2005
© 2005 IBM Corporation
LUN Thrashing Scenario
Linux host 1
HBA 0
Disk
LUN 0
HBA 1
Linux host 2
HBA 0
HBA 1
DS4000
A B
Contents
Main
Page
Topics
What Is Supported
AIX-AK FZK 2005
IBM Storage Support for Linux
pLinux Support Disk
pLinux Support Tape
The Linux SCSI Subsystem
Linux Device Addressing
Everything is a file!
Design
Linux Kernel Version 2.6
Storage Changes in Linux Kernel 2.6
Wellknown Linux SCSI Limitations
Other Problems and Pitfalls
Large filesystems support
Multipathing Scenarios
Multipathing Concepts
LUN Transfer to Alternate Controller
Page
AIX-AK FZK 2005
Page
Multipathing with RDAC
Page
Page
Page
Preferred Path
Page
Page
Page
Page
Host Ports Independent of Controller
Page
Page
Page
Tape Specifics
IBMtape driver
IBMtapeUtil
Use LTO Devices
Native Library Management
generic device
mtx -f /dev/sg1 inquiry mtx -f /dev/sg2 status mtx -f /dev/sg2 load <slotnum> [ <drivenum> ]
Medium Changer Failover
Tape and Disk Connected to the Same HBA
Page
ESS / DS6000 / DS8000 Resources
DS4000 Resources
LTO Resources
Redbooks
White Papers
Legal Notices