i run "ulimit -a "...the ouput is:
# ulimit -a
time(seconds) unlimited
file(blocks) unlimited
data(kbytes) unlimited
stack(kbytes) unlimited
memory(kbytes) unlimited
coredump(blocks) unlimited
nofiles(descriptors) 2000
so. my memory is unlimit with my backup command
thanks!!!
VinceM 寫道：

> Just a shot from the hip; but check the ulimits for memory and file sizeson
> the ID you are using to run the tar. Try running with ulimits set to
> unlmited.
> <byron.hsu@neweb.com.tw> wrote in message
> news:1158293694.772125.229720@b28g2000cwb.googlegr oups.com...
> > Dear Expert:
> > while i run tar command for backup a filesystems(PROD1157);
> > systems error: There is not enough memory available now
> > I restore the tape data to other directory...but some file is lost
> > so, i have some file is not backup into my to tape
> > i clean the tape and change the tape with new tape ;then tar
> > again....but error again
> > I check my paging space only 1%USED
> > i check file systems space with "df -k" command ....ALL file systems is
> > under 70%used
> > and i check system error log:nothing is occur
> > I umount the file systems; run fsc;
> > then re-mount the file systems
> > tar again.....error again
> > I change tje tape block_size to 10240 or 1024 or 512 or "0".....try tar
> > again.....error again
> > I umount the file systems & varyoffvg...
> > change the vg(file systems) to my testing server(6H1) ,and retry tar
> > command again......error again
> > MY server is 6M1...tape driver is 3581...file systems on EMC CX 300
> > storage
> > OS level is AIX 4.3.3-ML11
> > please Help....thanks
> >
> > #tar cvf /dev/rmt1 /PROD1157
> > a /PROD1157
> > a /PROD1157/prodarch
> > a /PROD1157/prodarch/topas.error 0 blocks.
> > a /PROD1157/prodarch/prod50829.arc 20346 blocks.
> > a /PROD1157/prodarch/lost+found
> > ...
> > ...
> > tar: /PROD1157/prodarch/prod62437.arc: There is not enough memory
> > available now.
> > tar: /PROD1157/prodarch/prod62438.arc: There is not enough memory
> > available now.
> > tar: /PROD1157/prodarch/prod62439.arc: There is not enough memory
> > available now.
> > tar: /PROD1157/prodarch/prod62440.arc: There is not enough memory
> > available now.
> > tar: /PROD1157/prodarch/prod62441.arc: There is not enough memory
> > available now.
> > tar: /PROD1157/prodarch/prod62442.arc: There is not enough memory
> > available now.
> > tar: /PROD1157/prodarch/prod62443.arc: There is not enough memory
> > available now.
> > ...
> > ...
> > a
> > /PROD1157/proddb/9.2.0/javavm/demo/examples/jsproc/basic/ncomp/Makefile
> > 2 blocks.
> > a
> > /PROD1157/proddb/9.2.0/javavm/demo/examples/jsproc/basic/ncomp/NComp.java
> > 2 blocks.
> > a
> > /PROD1157/proddb/9.2.0/javavm/demo/examples/jsproc/basic/ncomp/create.sql
> > 1 blocks.
> > #
> >