Check with:
fsadm /var
To convert an Advanced JFS filesystem:
fsadm -F vxfs -o largefiles /(mountpoint)
To convert a base JFS filesystem (filesystem MUST be unmounted):
fsadm -F vxfs -o largefiles /dev/vg0#/rlvol#
To mount the new largefiles capable file system :
mount -F vxfs -o largefiles /dev/vg#/lvol# /(mountpoint)
To set the correct /etc/fstab syntax :
/dev/vg0#/lvol# /ignite_depot vxfs delaylog,largefiles 0 2
[...] Ignite gzip: stdout: File too large 1. Activate largefiles and exportfs -av 2. Install a newer gzip from http://hpux.connect.org.uk/hppd/hpux/Gnu/gzip-1.4/ 3. [...]