Friday, January 31, 2014
How to make 1 disk alt_disk backup from mirrored 2 disk OS.
How to make 1 disk alt_disk backup from mirrored 2 disk OS.
- Make a copy of /image.data file.
- Edit the copied file image.data.altback
= LV_SOURCE_DISK_LIST= hdisk0 hdisk1 => LV_SOURCE_DISK_LIST= hdisk0
= COPIES= 2 => COPIES= 1
= PP= 92 => PP= 46 ## Reduce size of the PP in half.
= delete the stanza, "source_disk_data" of the extra mirrored disk.
- Make sure that the total size is half of total original size.
- Run following command.
/usr/sbin/alt_disk_install -e /etc/exclude.rootvg -i $SCRIPT_PATH/image.data.altback -BCV $DiskList
===
how to generate image.data
=> mkszfile
EOF
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