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How to downgrade to USF after a ZFS install has been done.

I did a new solaris 10 install and wrongly chose a ZFS filesystem. When I run through the install again USF is not an option anymore. How would I get this downgraded? There is nothing on the system that needs saving.
1 Solution
UFS, The only way is if you have space available to create new partitions on the available space and use CPIO to copy the data and then adjust the /etc/vfstab to point to the new location.  If you just installed, you might as well reinstall as that will be the fastest.

It sees the existing partitions and might be the reason it does not make UFS an option.  You would likely need to partition the disks manually.

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