User`s guide

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For existing large filesystems with high numbered inodes this does
not solve the problem, but it does solve it for new filesystems, and for
new files created on existing filesystems.
For backwards compatibility a new mount option is available,
inode64, this will allow xfs to place inodes anywhere in the
filesystem and follow exactly the original placement policies.
Filesystems which were small enough not to be able to overflow 32
bits of inode number also retain the old behavior.
• The 6.5.15 release of IRIX adds support for disks that have a capacity
of 2 terabytes. Previously, the maximum was 1 terabyte.
• For the IRIX 6.5.15 release, Chapter 5 “System Administration in a
Multiuser Environment” in IRIX Admin: System Configuration and
Operation has been updated with a new section on Project ID
numbers and the chproj(1) command that changes the project
ownership of a file.For more information, see the chown(1) man page
and the IRIX Admin: System Configuration and Operation manual.
• In IRIX 6.5.15, the systune parameter gang_sched_off is turned on
by default. This means that gangs will not be running on the system
unless the system administrator sets gang_sched_off to 0. This
differs from previous IRIX releases, for which gangs ran on the
system automatically.