HP-UX系统和网络管理I7.ppt

Choose View, Header and Footer to enter text here Configuring Device Files Version A.01 H3064S Module 7 Slides What Is A Device File? Listing Device Files with ll Listing device files with ll /dev brw-r----- 1 root sys 31 0x005000 Feb 10 1997 /dev/dsk/c0t5d0 brw-r----- 1 root sys 31 0x006000 Feb 10 1997 /dev/dsk/c0t6d0 crw-r----- 1 root sys 31 0x005000 Feb 10 1997 /dev/rdsk/c0t5d0 crw-r----- 1 root sys 31 0x006000 Feb 10 1997 /dev/rdsk/c0t6d0 crw--w---- 2 root tty 17 0x000001 Jan 9 09:25 /dev/ttyp1 crw--w---- 2 root tty 17 0x000002 Mar 6 17:46 /dev/ttyp2 Listing Device Files with ioscan # ioscan -fun list all devices and device files # ioscan -funC disk list all disk devices and device files # ioscan -funC tape list all tape drives and device files Listing Device Files with lssf Lists characteristics of device files Syntax /usr/sbin/lssf path [path …] The Layout of /dev Device File Naming Convention Disk Device File Names Tape Device File Names Terminal and Modem Device File Names How Device Files are Created Autoconfiguration SAM insf mksf mknod Autoconfiguration Creating Device Files with SAM ? 1999 Hewlett-Packard Co. H3064S A.01 disks 2 1 4 5 6 tapes terminals /stand/vmunix (Kernel) UNIX Commands and Application Device Files contains software to operate on filenames contains references to the software in /stand/vmunix and addresses which device to access includes software to operate on hardware a66920 device file type minor# major# device file name a66921 a66922 Class I tape 1 Description HP C1553A /dev/rmt/c0tld0BESTb /dev/rmt/c0tld0BESTn /dev/rmt/c0tld0BESTnb /dev/rmt/c0tld0BEST H/W Path 2/0/1.1.0 Driver stape S/W State CLAIMED /dev/rmt/lm /dev/rmt/lmb /dev/rmt/lmn /dev/rmt/lmnb H/W Type DEVICE a6974 Examples # lssf /dev/rdsk/clt6d0 disc3 card instance 1 SCSI target 6 SCSI LUN 0 section 0 at address 52.6.0 /dev/rdsk/clt6d0 # lssf /dev/rmt/0mn tape2 card instance 1 SCSI target 0 SCSI LUN 0 att no rewind best density available