AIX - FileSystem

Commands

List all FS with their options:

lsfs -q

Display FS's definitions:

cat /etc/filesystems

Change FS Options:

chfs -a {attr} {fs}
# Examples:
#   chfs -a options=ro /tmp
#   chfs -a size=+2G /tmp

Procedures

Remove NOAC Option on Network FS (NFS)

# Retrieve FS info
grep -p "/stor/save" /etc/filesystems

# Change FS Option
chfs -a options=rw,bg,hard,nointr,rsize=32768,wsize=32768,timeo=600,proto=tcp,sec=sys /stor/save

# Ensure there are no process
fuser /stor/rrzxx1/save
lsof /stor/rrzxx1/save

# Re-mount FS
umount /stor/rrzxx1/save && mount /stor/rrzxx1/save