Ограничение в 2гб tar архиве

# ulimit -a
core file size          (blocks, -c) 0
data seg size           (kbytes, -d) unlimited
file size               (blocks, -f) unlimited
pending signals                 (-i) 1024
max locked memory       (kbytes, -l) 32
max memory size         (kbytes, -m) unlimited
open files                      (-n) 6000
pipe size            (512 bytes, -p) 8
POSIX message queues     (bytes, -q) 819200
stack size              (kbytes, -s) unlimited
cpu time               (seconds, -t) unlimited
max user processes              (-u) 139264
virtual memory          (kbytes, -v) unlimited
file locks                      (-x) unlimited

# rpm -qa tar
tar-1.14-12.5.1.RHEL4

tar --version
tar (GNU tar) 1.16.1

mbp-nbbv:Distr nb-bv$ du -sh FreeBSD
4,7G    FreeBSD
mbp-nbbv:Distr nb-bv$ du -sh FreeBSD.tar 
4,7G    FreeBSD.tar
mbp-nbbv:Distr nb-bv$ ls -l FreeBSD
total 9860416
-r--r--r--  1 nb-bv  staff  2506975232 15 сен 21:32 7.2-RELEASE-amd64-dvd1.iso
-rwxrwxrwx  1 nb-bv  staff  2389796864  2 май  2009 7.2-RELEASE-i386-dvd1.iso
-rw-------@ 1 nb-bv  staff    77834240 25 янв 21:56 FreeNAS-amd64-LiveCD-0.7.1.4997.iso
-rw-------@ 1 nb-bv  staff    73920512  6 ноя 21:58 FreeNAS-i386-LiveCD-0.7.4919.iso

# cat /etc/redhat-release
Red Hat Enterprise Linux AS release 4 (Nahant Update 8)

cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
LABEL=/                 /                       ext3    defaults        1 1
LABEL=/data             /data                   ext3    defaults        1 2
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /dev/shm                tmpfs   defaults        0 0
LABEL=/home             /home                   ext3    defaults        1 2
none                    /proc                   proc    defaults        0 0
none                    /sys                    sysfs   defaults        0 0
LABEL=/tmp              /tmp                    ext3    defaults        1 2
LABEL=/usr              /usr                    ext3    defaults        1 2
LABEL=/var              /var                    ext3    defaults        1 2
LABEL=SWAP-sda3         swap                    swap    defaults        0 0