Can I mount other ufs disks, say from BSDi/FreeBSD, and vice versa?
Maybe. First, although Solaris, BSDi, FreeBSD, and NetBSD share acommon-heritage file system, the Berkeley-style ufs, Solaris has made
extensions. The 32-bit UID field has been modified in Solaris to be
a pointer to a parallel "Shadow inode" with Solaris ACL information.
Also, the superblock has an additional inode field in Solaris and 2 fields
have different byte swappings.
Reportedly, you can mount, say, zip disks from FreeBSD, on Solaris by
doing a fsck on them before mounting. Fsck makes these fields Solaris-
compatible. Your mileage may vary and you should test this (in both
directions) before trying this on live data.
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