主流服务器UNIX操作系统磁盘与逻辑卷命令--5-2

磁盘与逻辑卷命令比较

DISK/LVM Commands	AIX	FreeBSD	HP-UX
Filesystem table	/etc/filesystems	/etc/fstab	/etc/fstab
Free disk blocks	df -k	df -k	bdf
Device listing	lsdev -C		/sbin/ioscan
Disk information	bootinfo -s hdisk#	fdisk -v ad0	diskinfo /dev/rdsk/c#t#d#
Disk Label	lspv -l hdisk#	disklabel ad0	pvdisplay -v /dev/dsk/C#t#d#
LVM Concepts	Partition	sub disk	logical extents
	Volume	Volume	logical volume
		Plex
	Volume group		volume group
Journal Filesystem type	jfs		vxfs
Default volume group	/dev/rootvg		/dev/vg00
Display volume group	lsvg -l rootvg		vgdisplay -v vg00
Modify physical volume	chpv		pvchange
Prepare physical disk	mkdev -c disk -l hdisk#		pvcreate
List physical volume	lspv	vinum ld	pvdisplay
Remove disk from volume group	reducevg		vgreduce
Move logical volumes to another physical volumes	migratepv	vinum move -f drive object	pvmove
Create volume group	mkvg		vgcreate
Remove volume group			vgremove
Volume group availability	chvg varyonvg varyoffvg		vgchange
Restore volume group			vgcfgrestore
Exports volume group	exportvg		vgexport
Imports volume group	importvg		vgimport
Volume group listing	lsvg		vgscan
Change logical volume characteristics	chlv		lvchange
List logical volume	lslv	vinum lv	lvdisplay
Make logical volume	mklv		lvcreate
Extend logical volume	extendlv		lvextend
Reduce logical volume	AIX reduce LV		lvreduce
Remove logical volume	rmlv	vinum rm vol	lvremove
Prepare boot volumes	bootlist -m normal		lvlnboot
Remove boot volumes			lvrmboot
Extend File system	chfs -a size=# /mt		extendfs /dev/vg00/lvol8 fsadm -F vxfs -b {LE * 1024} /mt
Reduce/Split mirrors	rmlvcopy		lvsplit
Merge mirrors			lvmerge
Create mirrors	mklv -c 2	vinum mirror drive	lvcreate -m 1
Add mirrors	mklvcopy lv 2		lvextend -m 1
Create striped volumes	mklv -u 3 -S 64K	vinum stripe drive	lvcreate -i 3 -I 64
System recovery tape	mksysb -i /dev/rmt0		/opt/ignite/bin/make_recovery
Backup	savevg -i rootvg	vinum saveconfig	fbackup
Restore	restvg		frecover