To fix this error, rename the current  altinst_rootvg  clone and then create your clones by  completing the following steps: 1. To rename the current clone, run  alt_rootvg_op  - v , as shown in Example 1-46. 2. Create a second clone and rename it too, as shown in Example 1-47. 3. The second clone is successfully created, and there is no limitation for the number of  instances that can be created, and there is no conditions regarding from which source the  clone is created. Chapter 1. General enhancements  51 Example 1-47 Creating a second clone and renaming it Example 1-46 Renaming the first altinst_rootvg clone # lspv hdisk0 00f6db0a6c7aece5 rootvg active hdisk1 00fa2b8bff7af30e altinst_rootvg hdisk2 00fa2b8bfff8b56b None hdisk3 00fa2b8bfff8b600 None # alt_rootvg_op -v 1st_clone -d hdisk1 # lspv hdisk0 00f6db0a6c7aece5 rootvg active hdisk1 00fa2b8bff7af30e 1st_clone hdisk2 00fa2b8bfff8b56b None hdisk3 00fa2b8bfff8b600 None # alt_disk_mksysb -m /dev/rmt0 -d hdisk2 Restoring /image.data from mksysb image. Checking disk sizes. Creating cloned rootvg volume group and associated logical volumes. Creating logical volume alt_hd5. Creating logical volume alt_hd6. Creating logical volume alt_hd8. Creating logical volume alt_hd4. Creating logical volume alt_hd2. Creating logical volume alt_hd9var. Creating logical volume alt_hd3. Restoring mksysb image to alternative disk(s). Linking to 64bit kernel. Fixing file system superblocks... Bootlist is set to the boot disk: hdisk2 blv=hd5 # lspv hdisk0 00f6db0a6c7aece5 rootvg active hdisk1 00fa2b8bff7af30e 1st_clone hdisk2 00fa2b8bfff8b56b altinst_rootvg active hdisk3 00fa2b8bfff8b600 None # alt_rootvg_op -v 2nd_clone -d hdisk2 # lspv hdisk0 00f6db0a6c7aece5 rootvg active hdisk1 00fa2b8bff7af30e 1st_clone hdisk2 00fa2b8bfff8b56b 2nd_clone hdisk3 00fa2b8bfff8b600 None