Devices commands:
List all devices on a system
#lsdev
List all disk devices on a system (See next item for a list of classes)
#lsdev -Cc disk
List all customized (existing) device classes (-P for complete list)
#lsdev -C -r class
Remove hdisk5
#rmdev -dl hdisk5
Get device address of hdisk1
#getconf DISK DEVNAME hdisk1 (or) bootinfo -o hdisk1
Get the size (in MB) of hdisk1
#getconf DISK SIZE /dev/hdisk1 (or) bootinfo -s hdisk1
List all disks belonging to scsi0
#lsdev -Cc disk -p scsi0
Find the slot of a PCI Ethernet adapter
#lsslot -c pci -l ent0
Find the (virtual) location of an Ethernet adapter
#lscfg -l ent1
Find the location codes of all devices in the system
#lscfg
List all MPIO paths for hdisk0
#lspath -l hdisk0
Find the WWN of the fcs0 HBA adapter
#lscfg -vl fcs0 | grep Network
Get statistics and extended information on fcs0
#fcstat fcs0
Error Logging
Error logging is provided through: alog, errlog and syslog.
#alog - boot, console messages, NIM, others
#errlog - hardware, kernel, and some apps
#syslog - Internet dameons, and apps
Display the contents of the boot log
#alog -o -t boot
Display the contents of the console log
alog -o -t console
List all log types that alog knows
#alog -L
Display the contents of the system error log
#errpt (Add -a or -A for varying levels of verbosity)
Clear all errors up until x days ago.
#errclear x
List info on error ID FE2DEE00 (IDENTIFIER column in errpt output)
#errpt -aDj FE2DEE00
Put a \tail" on the error log
#errpt -c
List all errors that happened today
#errpt -s `date +%m%d0000%y`
To list all errors on hdisk0
#errpt -N hdisk0
To list details about the error log
#/usr/lib/errdemon –l
Mount a CD/DVD ROM to /mnt
#mount -rv cdrfs /dev/cd0 /mnt (for a CD)
#mount -v udfs -o ro /dev/cd0 /mnt (for a DVD)
Create a VG, LV, and FS, mirror, and create mirrored LV
#mkvg -s 256 -y datavg hdisk1 (PP size is 1/4 Gig)
#mklv -t jfs2log -y dataloglv datavg 1
#logform /dev/dataloglv
#mklv -t jfs2 -y data01lv datavg 8 ! (2 Gig LV)
#crfs -v jfs2 -d data01lv -m /data01 -A yes
#extendvg datavg hdisk2
#mklvcopy dataloglv 2 ! (Note use of mirrorvg in next example)
#mklvcopy data01lv 2
#syncvg -v datavg
#lsvg -l datavg will now list 2 PPs for every LP
#mklv -c 2 -t jfs2 -y data02lv datavg 8 ! (2 Gig LV)
#crfs -v jfs2 -d data02lv -m /data02 -A yes
#mount –a
Memory / Swap_le
List size, summary, and paging activity by paging space
#lsps -a
List summary of all paging space
#lsps -s
List the total amount of physical RAM in system
#lsattr -El sys0 -a realmem
Create a new paging device on rootvg of 64 PPs
#mkps -a -s 64 -n rootvg
Extend the existing paging space by 8 PPs
#chps -s 8 hd6
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