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SAN/Storage

IBM Storage

[SAN Storage] UNIX/LINUX OS Disk Management

AIX, HP-UX, LINUX and Solaris disk related commands.

DISK/LVM Commands	AIX	HP-UX	LINUX(RedHat)	SOLARIS(VxVM)
Filesystem table	/etc/filesystems	/etc/fstab	/etc/fstab	/etc/vfstab
Free disk blocks	df -k	bdf	df -k	df -k
Device listing	lsdev -C	/sbin/ioscan	cat /proc/devices	sysdef
Disk information	bootinfo -s hdisk#	diskinfo /dev/rdsk/c#t#d#	cat /proc/scsi/scsi0/sda/model	format -d c#t#d# format>current format>inquiry
Disk Label	ispv -l hdisk#	pvdisplay -v /dev/dsk/C#t#d#	fdisk -l	prtvtoc
LVM Concepts	Partition	logical extents	logical extents	sub disk
	Volume	logical volume	logical volume	Volume
				Plex
	Volume group	volume group	volume group	disk group
Journal Filesystem type	jfs	vxfs	ext3	vxfs
Default volume group	/dev/rootvg	/dev/vg00		/dev/vx/dsk/rootdg
Display volume group	lsvg -l rootvg	vgdisplay -v vg00	vgdisplay -v	vxprint -l -g rootdg
Modify physical volume	chpv	pvchange	pvchange	vxdisk
Prepare physical disk	mkdev -c disk -l hdisk#	pvcreate	pvcreate	vxprint -dl
List phycical volume	lspv	pvdisplay	pvdisplay	vxprint -dl
Remove disk from volume group	reducevg	vgreduce	vgreduce	vxdg rmdisk
Move logical volumes to another physical volumes	migratepv	pvmove	pvmove	vxassist move
Create volume group	mkvg	vgcreate	vgcreate	vxdg init
Remove volume group		vgremove	vgremove	vxdg destroy
Volume group availability	chvg varyonvg varyoffvg	vgchange	vgchange	vxdg set
Restore volume group		vgcfgrestore	vgcfgrestore	vxconfigrestore
Exports volume group	exportvg	vgexport	vgexport	vxdg deport
Imports volume group	importvg	vgimport	vgimport	vxdg import
Volume group listing	lsvg	vgscan	vgscan	vxdg list
Change logical volume characteristics	chlv	lvchange	lvchange	vxedit set
List logical volume	lslv	lvdisplay	lvdisplay	vxprint -vl
Make logical volume	mklv	lvcreate	lvcreate	vxassist make
Extend logical volume	extendlv	lvextend	lvextend	vxassist growto
Reduce logical volume		lvreduce	lvreduce	vxassist shrinkto
Remove logical volume	rmlv	lvremove	lvremove	vxedit rm
Prepare boot volumes	bootlist -m normal	lvlnboot	lilo	vxbootsetup
Remove boot volumes		lvrmboot
Extend File system	chfs -a size=# /mt	extendfs /dev/vg00/lv0l8 fsadm -F vxfs -b{LE * 1024} /mt	resize2fs resize_reiserfs	vxresize fsadm -F vxfs -b {block#} /mt
Reduce/Splic mirrors	rmlvcopy	lvsplit	lvsplit	vxassist remove mirror
Merge mirrors		lvmerge	lvmerge
Create mirrors	mklv -c 2	lvcreate -m 1		vxassist mirror
Add mirrors	mklvcopy lv2	lvextend -m 1		vxassist mirror
Create striped volumes	mklv -u 3 -S 64K	lvcreate -i 3 -l 64	lvcreate -i 3 -l 64	vxassist make vol 100mb layout=raid5
System recovery tape	mksysb -i /dev/rmt0	/opt/ignite/bin/make_recovery
Backup	savevg -i rootvg	fbackup	tar cvf /dev/rst0/	vxdump
Restore	restvg	frecover	tar xvf /dev/rst0	vxrestore