File size limit exceeded error under Linux and solution
Q. I am trying to copy a file called act.dat and I am getting an error "file size limit exceeded" under Linux. How do I get rid of this error? In addition, I do have enough disk space to copy this file.
A. Your system administrator must have imposed limitation on your account for file size creation.. Just run ulimit command to find out file size limitation:
$ ulimit -a
Output:
core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited max nice (-e) 0 file size (blocks, -f) 5000 pending signals (-i) unlimited max locked memory (kbytes, -l) unlimited max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) unlimited max rt priority (-r) 0 stack size (kbytes, -s) 8192 cpu time (seconds, -t) unlimited max user processes (-u) 2047 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited
The above output clearly stat that you can create file size upto 5MB limit. To change this limit or if you do not wish to have a limit you can edit your /etc/security/limits.conf file (login as the root):
# vi /etc/security/limits.conf
Look for your username and fsize parameter. Delete this line or set new parameter. For example consider following entry where I am setting new file size limit to 1 GB:
vivek hard fsize 1024000
Save the changes. Log out and log back in for the changes to take effect.
Now your limit is 1GB file size. If you do not want any limit remove fsize from /etc/security/limits.conf.
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Tags: get_user_limits, set_user_limits, system_administrator, ulimit, ulimit_command
April 28th, 2007 at 11:02 am
Hi,
I too facing the File size limit exceeded error under Linux. But as per the above suggested solution, the ulimit is not setted for the user root, in my case. But still Im getting the error while I connect my USB Hard Drive and try to copy files. No file can be copied more than 4.1GB…I need to copy some 23 GB files and I still have the space in USB.
Kindly inform me what can I do….Mean while, I am aslo searching the web for a solution.
Regards,
Deepan.
September 5th, 2007 at 5:21 pm
Deepan.R:
This is probably due to the filesystem that your hard drive is formatted to. Each filesystem has a file size limit of its own. Chances are that the hard drive is formatted as FAT32, which has a 4GB max filesize. If you need it to be able to deal with larger files, consider reformatting to ext3(with a limit of between 16GB to 2 TB)) or something else.
September 20th, 2007 at 2:41 pm
Hi,
I tried as per your suggestion.The explanation is very good. It worked well for me. Thanks a lot.
Regards,
Manigandan
April 24th, 2008 at 3:37 am
try this command.
#dd if=/dev/zero of=/filesize bs=1024 count=xxxx // to create large file.
If this helps you to create expected filesize then filesystem/os does not limits you.
To create this sort of filesize you have to use LFS. becoz bydefault 32bit compilation is able to address at most 2^31 bytes(2GB).
1. open file with O_LARGEFILE flag or’ed with other falgs.
2. compile your code with -D_LARGEFILE_SOURCE -D_LARGEFILE_SOURCE64 -DLARGEOFFSET_BITS=64