tar20多G文件是出错，提示没有足够内存，这是什么原因

liucj

tar: /u03/oracle/prodappl/cux/11.5.0/out/o221791.out: There is not enough memory
available now.
tar: /u03/oracle/prodappl/cux/11.5.0/out/o221812.out: There is not enough memory
available now.
tar: /u03/oracle/prodappl/cux/11.5.0/out/o221820.out: There is not enough memory
available now.
tar: /u03/oracle/prodappl/cux/11.5.0/out/o221844.out: There is not enough memory
available now.
tar: /u03/oracle/prodappl/cux/11.5.0/out/o221857.out: There is not enough memory
available now.
tar: /u03/oracle/prodappl/cux/11.5.0/out/o221882.out: There is not enough memory
available now.
tar: /u03/oracle/prodappl/cux/11.5.0/out/o221893.out: There is not enough memory
available now.


/tmp#ulimit -a
time(seconds)        unlimited
file(blocks)         unlimited
data(kbytes)         unlimited
stack(kbytes)        unlimited
memory(kbytes)       unlimited
coredump(blocks)     unlimited
nofiles(descriptors) unlimited




/tmp#df -k
Filesystem    1024-blocks      Free %Used    Iused %Iused Mounted on
/dev/hd4           229376    171060   26%     2137     2% /
/dev/hd2          2064384    957952   54%    33032     7% /usr
/dev/hd9var        688128    443180   36%     4197     3% /var
/dev/hd3          2686976   2132052   21%     1335     1% /tmp
/dev/hd1            98304     61532   38%     1463     6% /home
/dev/lv00           65536     14008   79%      578     4% /usr/welcome_arcade
/dev/lv01           32768     11652   65%      396     5% /usr/welcome
/dev/prodback    26214400  23085476   12%     7517     1% /prodback
/dev/datalv      58982400   5463180   91%   237904     2% /u01
/dev/prodlv      81920000  18714648   78%   411494     5% /u03