LVM Disk Replacement - Revision history

Michael Kohler at 19:38, 2 April 2026

2026-04-02T19:38:37Z

Michael Kohler: /* Replacing a Working rootvg Physical Volume */

2026-04-02T19:37:48Z

Replacing a Working rootvg Physical Volume

Michael Kohler at 16:24, 5 January 2012

2012-01-05T16:24:06Z

← Older revision		Revision as of 16:24, 5 January 2012
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	== Further Reading ==		== Further Reading ==
	# [http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp IBM pSeries and AIX Information Center]		# [http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp IBM pSeries and AIX Information Center]

			[[Category:AIX]]
			[[Category:Linux]]

Michael Kohler at 11:48, 5 January 2012

2012-01-05T11:48:57Z

← Older revision		Revision as of 11:48, 5 January 2012
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	# Synchronize the volume group.		# Synchronize the volume group.
	## <tt>'''# syncvg -v <vg_name>'''</tt>		## <tt>'''# syncvg -v <vg_name>'''</tt>

			== Further Reading ==
			# [http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp IBM pSeries and AIX Information Center]

Michael Kohler at 11:47, 5 January 2012

2012-01-05T11:47:47Z

← Older revision		Revision as of 11:47, 5 January 2012
Line 64:		Line 64:
	# Synchronize the volume group.		# Synchronize the volume group.
	## <tt>'''# syncvg -v <vg_name>'''</tt>		## <tt>'''# syncvg -v <vg_name>'''</tt>

	~~== Further Reading ==~~
	~~# [http://publib.boulder.ibm.com/infocenter/pseries/v5r3/index.jsp IBM pSeries and AIX Information Center]~~

Michael Kohler at 18:15, 4 January 2012

2012-01-04T18:15:24Z

← Older revision		Revision as of 18:15, 4 January 2012
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	## <tt>'''# chpv -c <old_hdisk#>'''</tt>		## <tt>'''# chpv -c <old_hdisk#>'''</tt>
	## <tt>'''# bootlist -m normal <new_hdisk#>'''</tt>		## <tt>'''# bootlist -m normal <new_hdisk#>'''</tt>
			# Disable the system dump device.
			## <tt>'''# sysdupdev -p /dev/sysdumpnull'''</tt>
	# Migrate data from old physical volume to new physical volume.		# Migrate data from old physical volume to new physical volume.
	## <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>		## <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>
			# Enable the system dump device.
			## <tt>'''# sysdupdev -p /dev/<lv_name>'''</tt>
	# Remove the old physical volume from the volume group.		# Remove the old physical volume from the volume group.
	## <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>		## <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>

Michael Kohler at 17:42, 4 January 2012

2012-01-04T17:42:12Z

← Older revision		Revision as of 17:42, 4 January 2012
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	== rootvg ==		== rootvg ==
	=== Replacing a ~~working~~ rootvg Physical Volume ===		=== Replacing a Working rootvg Physical Volume ===
	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new disk to the volume group.		# Add the new disk to the volume group.
Line 37:		Line 37:

	== non-rootvg ==		== non-rootvg ==
	=== Replacing a ~~working~~ non-rootvg Physical Volume ===		=== Replacing a Working non-rootvg Physical Volume ===
	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new physical volume to the volume group.		# Add the new physical volume to the volume group.

Michael Kohler at 17:41, 4 January 2012

2012-01-04T17:41:56Z

← Older revision		Revision as of 17:41, 4 January 2012
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	# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]		# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]

	=== Replacing a ~~mirrored~~ non-rootvg Physical Volume ===		=== Replacing a Mirrored non-rootvg Physical Volume ===
	# Break the mirror.		# Break the mirror.
	## <tt>'''# unmirrorvg <vg_name> <old_hdisk#>'''</tt>		## <tt>'''# unmirrorvg <vg_name> <old_hdisk#>'''</tt>

Michael Kohler at 17:26, 4 January 2012

2012-01-04T17:26:51Z

← Older revision		Revision as of 17:26, 4 January 2012
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	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new disk to the volume group.		# Add the new disk to the volume group.
	## <tt>'''# extendvg ~~<vg_name>~~ <new_hdisk#>'''</tt>		## <tt>'''# extendvg rootvg <new_hdisk#>'''</tt>
	# Does the disk contain hd5 (boot partition)?		# Does the disk contain hd5 (boot partition)?
	## <tt>'''# lslv -m hd5'''</tt>		## <tt>'''# lslv -m hd5'''</tt>
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	## <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>		## <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>
	# Remove the old physical volume from the volume group.		# Remove the old physical volume from the volume group.
	## <tt>'''# reducevg ~~<vg_name>~~ <old_hdisk#>'''</tt>		## <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>
	# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]		# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]

			=== Replacing a Mirrored rootvg Physical Volume ===
			# Break the mirror.
			## <tt>'''# unmirrorvg rootvg <old_hdisk#>'''</tt>
			# Remove the old physical volume from the volume group.
			## <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>
			# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]
			# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
			# Add the new disk to the volume group.
			## <tt>'''# extendvg rootvg <new_hdisk#>'''</tt>
			# Mirror the volume group.
			## <tt>'''# mirrorvg -S -c2 rootvg <new_hdisk#>'''</tt>
			# Verify the stale PPs in the volume group are 0.
			## <tt>'''# lsvg rootvg \| grep STALE'''</tt>
			# Add the ipldevice to all of the rootvg physical volumes.
			## <tt>'''# bosboot -ad <new_hdisk#>'''</tt>
			## <tt>'''# bosboot -ad <current_hdisk#>'''</tt> (this step will have to be repeated for each hdisk containing the ipldevice associated with rootvg.
			# Modify the bootlist to include ALL physical volumes
			## <tt>'''# bootlist -m normal <new_hdisk# current_hdisk#...>'''</tt>

	== non-rootvg ==		== non-rootvg ==

Michael Kohler at 15:46, 4 January 2012

2012-01-04T15:46:57Z

@@ Line 1: / Line 1: @@
 == rootvg ==
 == non-rootvg ==
 === Replacing a working non-rootvg Physical Volume ===

← Older revision		Revision as of 19:38, 2 April 2026
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	=== Replacing a Mirrored rootvg Physical Volume ===		=== Replacing a Mirrored rootvg Physical Volume ===
	# Break the mirror.		# Break the mirror.
	## <tt>'''# unmirrorvg rootvg <old_hdisk#>'''</tt>		#: <tt>'''# unmirrorvg rootvg <old_hdisk#>'''</tt>
	# Remove the old physical volume from the volume group.		# Remove the old physical volume from the volume group.
	## <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>		#: <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>
	# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]		# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]
	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new disk to the volume group.		# Add the new disk to the volume group.
	## <tt>'''# extendvg rootvg <new_hdisk#>'''</tt>		#: <tt>'''# extendvg rootvg <new_hdisk#>'''</tt>
	# Mirror the volume group.		# Mirror the volume group.
	## <tt>'''# mirrorvg -S -c2 rootvg <new_hdisk#>'''</tt>		#: <tt>'''# mirrorvg -S -c2 rootvg <new_hdisk#>'''</tt>
	# Verify the stale PPs in the volume group are 0.		# Verify the stale PPs in the volume group are 0.
	## <tt>'''# lsvg rootvg \| grep STALE'''</tt>		#: <tt>'''# lsvg rootvg \| grep STALE'''</tt>
	# Add the ipldevice to all of the rootvg physical volumes.		# Add the ipldevice to all of the rootvg physical volumes.
	## <tt>'''# bosboot -ad <new_hdisk#>'''</tt>		#: <tt>'''# bosboot -ad <new_hdisk#>'''</tt>
	## <tt>'''# bosboot -ad <current_hdisk#>'''</tt> (this step will have to be repeated for each hdisk containing the ipldevice associated with rootvg.		#: <tt>'''# bosboot -ad <current_hdisk#>'''</tt> (this step will have to be repeated for each hdisk containing the ipldevice associated with rootvg.
	# Modify the bootlist to include ALL physical volumes		# Modify the bootlist to include ALL physical volumes
	## <tt>'''# bootlist -m normal <new_hdisk# current_hdisk#...>'''</tt>		## <tt>'''# bootlist -m normal <new_hdisk# current_hdisk#...>'''</tt>
Line 44:		Line 44:
	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new physical volume to the volume group.		# Add the new physical volume to the volume group.
	## <tt>'''# extendvg <vg_name> <new_hdisk#>'''</tt>		#: <tt>'''# extendvg <vg_name> <new_hdisk#>'''</tt>
	# Migrate the logical volumes to the new physical volume.		# Migrate the logical volumes to the new physical volume.
	## <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>		#: <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>
	# Remove the old physical volume from the volume group.		# Remove the old physical volume from the volume group.
	## <tt>'''# reducevg <vg_name> <old_hdisk#>'''</tt>		#: <tt>'''# reducevg <vg_name> <old_hdisk#>'''</tt>
	# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]		# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]

	=== Replacing a Mirrored non-rootvg Physical Volume ===		=== Replacing a Mirrored non-rootvg Physical Volume ===
	# Break the mirror.		# Break the mirror.
	## <tt>'''# unmirrorvg <vg_name> <old_hdisk#>'''</tt>		#: <tt>'''# unmirrorvg <vg_name> <old_hdisk#>'''</tt>
	# Remove the disk from the volume group.		# Remove the disk from the volume group.
	## <tt>'''# reducevg <vg_name> <old_hdisk#>'''</tt>		#: <tt>'''# reducevg <vg_name> <old_hdisk#>'''</tt>
	# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]		# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]
	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new disk to the volume group.		# Add the new disk to the volume group.
	## <tt>'''# extendvg <vg_name> <new_hdisk#>'''</tt>		#: <tt>'''# extendvg <vg_name> <new_hdisk#>'''</tt>
	# Mirror the volume group (syn in background, ensuring a copy on each disk).		# Mirror the volume group (syn in background, ensuring a copy on each disk).
	## <tt>'''# mirrorvg -S -c2 <vg_name> <new_hdisk#>'''</tt>		#: <tt>'''# mirrorvg -S -c2 <vg_name> <new_hdisk#>'''</tt>
	# Synchronize the volume group.		# Synchronize the volume group.
	## <tt>'''# syncvg -v <vg_name>'''</tt>		#: <tt>'''# syncvg -v <vg_name>'''</tt>

	== Further Reading ==		== Further Reading ==

← Older revision		Revision as of 19:37, 2 April 2026
Line 3:		Line 3:
	# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]		# [[LVM Install a New Physical Volume\|Install and configure the new physical volume.]]
	# Add the new disk to the volume group.		# Add the new disk to the volume group.
	## <tt>'''# extendvg rootvg <new_hdisk#>'''</tt>		#: <tt>'''# extendvg rootvg <new_hdisk#>'''</tt>
	# Does the disk contain hd5 (boot partition)?		# Does the disk contain hd5 (boot partition)?
	## <tt>'''# lslv -m hd5'''</tt>		#: <tt>'''# lslv -m hd5'''</tt>
	# No? skip to next step, yes? continue.		# No? skip to next step, yes? continue.
	## <tt>'''# migratepv -l hd5 <old_hdisk#> <new_hdisk#>'''</tt>		#: <tt>'''# migratepv -l hd5 <old_hdisk#> <new_hdisk#>'''</tt>
	## <tt>'''# bosboot -ad <new_hdisk#>'''</tt>		#: <tt>'''# bosboot -ad <new_hdisk#>'''</tt>
	## <tt>'''# chpv -c <old_hdisk#>'''</tt>		#: <tt>'''# chpv -c <old_hdisk#>'''</tt>
	## <tt>'''# bootlist -m normal <new_hdisk#>'''</tt>		#: <tt>'''# bootlist -m normal <new_hdisk#>'''</tt>
	# Disable the system dump device.		# Disable the system dump device.
	## <tt>'''# sysdupdev -p /dev/sysdumpnull'''</tt>		#: <tt>'''# sysdupdev -p /dev/sysdumpnull'''</tt>
	# Migrate data from old physical volume to new physical volume.		# Migrate data from old physical volume to new physical volume.
	## <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>		#: <tt>'''# migratepv <old_hdisk#> <new_hdisk#>'''</tt>
	# Enable the system dump device.		# Enable the system dump device.
	## <tt>'''# sysdupdev -p /dev/<lv_name>'''</tt>		#: <tt>'''# sysdupdev -p /dev/<lv_name>'''</tt>
	# Remove the old physical volume from the volume group.		# Remove the old physical volume from the volume group.
	## <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>		#: <tt>'''# reducevg rootvg <old_hdisk#>'''</tt>
	# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]		# [[LVM Remove a Physical Volume\|Remove the old physical volume from the system.]]