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AIX Version 4.3 Differences Guide

AIX Version 4.3 Differences Guide

AIX Version 4.3 Differences Guide

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hdisk0 00006091aef8b687 rootvg<br />

hdisk1 00000103000d1a78 rootvg<br />

hdisk2 000040445043d9f3 alt_disk_432<br />

hdisk3 00076443210a72ea alt_disk_432<br />

hdisk4 0000875f48998649 None<br />

hdisk5 000005317c58000e None<br />

# alt_disk_install -C hdisk4 hdisk5<br />

...<br />

# lspv<br />

hdisk0 00006091aef8b687 rootvg<br />

hdisk1 00000103000d1a78 rootvg<br />

hdisk2 000040445043d9f3 alt_disk_432<br />

hdisk3 00076443210a72ea alt_disk_432<br />

hdisk4 0000875f48998649 altinst_rootvg<br />

hdisk5 000005317c58000e altinst_rootvg<br />

# alt_disk_install -v alt_disk_421 hdisk4<br />

# lspv<br />

hdisk0 00006091aef8b687 rootvg<br />

hdisk1 00000103000d1a78 rootvg<br />

hdisk2 000040445043d9f3 alt_disk_432<br />

hdisk3 00076443210a72ea alt_disk_432<br />

hdisk4 0000875f48998649 alt_disk_421<br />

hdisk5 000005317c58000e alt_disk_421<br />

# alt_disk_install -q hdisk3<br />

hdisk2<br />

# bootlist -m normal hdisk2<br />

# sync<br />

# reboot -q<br />

After the system reboot, perform the following steps:<br />

# lspv<br />

hdisk0 00006091aef8b687 old_rootvg<br />

hdisk1 00000103000d1a78 old_rootvg<br />

hdisk2 000040445043d9f3 rootvg<br />

hdisk3 00076443210a72ea rootvg<br />

hdisk4 0000875f48998649 alt_disk_421<br />

hdisk5 000005317c58000e alt_disk_421<br />

A way to wake up a volume group for data access between the alternate disk and<br />

the original rootvg and also a way to put the volume group back to sleep is<br />

provided.<br />

The syntax for the wake-up function is:<br />

# alt_disk_install -W <br />

Note, the volume group that will experience the wake-up will be renamed<br />

altinst_rootvg.<br />

The booted volume group’s version of <strong>AIX</strong> must be later or equal to the version of<br />

<strong>AIX</strong> on the volume group that will undergo the wake-up. This may mean that you<br />

will need to boot from the altinst_rootvg and wake-up the old_rootvg.<br />

# oslevel<br />

4.1.0.0<br />

# lspv<br />

hdisk0 000040445043d9f3 rootvg<br />

hdisk1 00076443210a72ea None<br />

128 <strong>AIX</strong> <strong>Version</strong> <strong>4.3</strong> <strong>Differences</strong> <strong>Guide</strong>

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