《aix系统应用基础》07 devices-精选文档

1 1
root root
system system
22,0 22,1
Oct 29 02:25 Oct 29 02:25
rmt0 rmt0.1
1 1 2 1
root root root root
system system system system
14,1 14,2 14,1 14,2
Oct 29 02:44 Nov 1 05:31 Oct 29 02:44 Nov 1 05:31
hdisk0 hdisk1 rhdisk0 rhdisk1
rmt0 fd0
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rmt1
Device configuration database
Predefined Configuration Database
Class memory tape disk adapter adapter adapter adapter Name sa0 sioka0 rmt0 hdisk0 hdisk1 mem0 ent0 lft diskette printer Type totmem 4mm4gb osdisk 23100020 14101800 chrp_ecp keyboard Status Available Available Available Available Available Available Available lft fd ibm4019 Subclass sys scsi scsi pci pci isa_sio kma_chrp Location 01-S1 01-K1-00 10-80-00-0.0 10-80-00-4,0 10-80-00-5,0 10-60 node siofd parallel Description Memory 4.0 GB 4mm Tape Drive Other SCSI Disk Drive IBM 10/100Mbps Ethernet PCI Adapter (23100020) IBM PCI Tokenring Adapter (14101800) CHRP IEEE1284 (ECP) Parallel Port Adapter Keyboard Adapter Description Standard I/O Serial Port Keyboard Adapter SCSI 4mm Tape Drive 16 Bit SCSI Disk Drive 16 Bit SCSI Disk Drive Memory IBM 10/100 Mbps Ethernet PC Adapter (23100020) Low Function Terminal Subsystem Diskette Drive IBM 4019 LaserPrinter
customized databases
• Describe the different states of a device
• Describe the format of device location codes
• Use SMIT to add/show/change/delete devices
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Device terminology
• Physical Devices • Ports • Device Drivers
• Logical Devices
• /dev Directory
© Copyright IBM Corporation 2019
© Copyright IBM Corporation 2019
Customized Configuration Database
List all supported devices
PdDv (Predefined Devices)
# lsdev -P -H
class type subclass description memory totmem sys Memory tape 4mm4gb scsi 4.0 GB 4mm Tape Drive disk osdisk scsi Other SCSI Disk Drive adapter 22100020 pci IBM PCI Ethernet Adapter (22100020) adapter 14101800 pci IBM PCI Tokenring Adapter (14101800) adapter ppa isa_sio Standard I/O Parallel Port Adapter adapter isa_keyboard isa_sio Keyboard Adapter
Unit 7 Devices
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Listing of /dev directory
# ls -l /dev brw-rw--rw brw-rw--rw crw-rw--rw crw-rw--rw : : crw-r--r-crw-r--r-: : brw------brw------crw------crw------1 1 1 1 root root root root system system system system 20,0 20,64 20,0 20,64 Oct Oct Oct Oct 29 29 29 29 02:25 02:26 02:25 02:26 fd0 fd1 rfd0 rfd1
5.1
Unit objectives
After completing this unit, you should be able to:
• Describe the difference between logical and physi purpose of the ODM predefined and