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Thread: NFS: "File size limit exceeded"
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- Join Date
- Jun 2005
NFS: "File size limit exceeded"
I have two servers that I built that I'm in charge of administrating. The first server is our primary CAD server which has a 750GB hardware RAID-5 setup, 4GB memory, a dual core processor, and it runs on Fedora 7. The other server is our incremental backup server (I save roughly 1 months worth of incremental backups) which has a 750GB software RAID-0 setup, 2GB memory, a Athlon XP processor, and it also runs on Fedora 7.
The way things are configured, I have the CAD server connected directly to the network and the backup server hiding behind the CAD server and sharing its internet connection. I share files between the two servers by mapping a NFS share from the backup server onto the CAD server. Every night at a specified time, I have several scripts that run that take care of gathering up a copy of all the files that have changed and copying them over to the backup server. A few hours after the files are copied, the backup server takes over and compresses the files for storage.
This setup has been working until I started to run into files that were exceeding 2GB in size. When I come across a +2GB file, the backup server complains that the "File size limit exceeded" and it stops the transfer.
Here are the outputs from ulimit -a and the contents of my limits.conf file:
ulimit -a output:
[root@backup ~]# ulimit -a core file size (blocks, -c) 0 data seg size (kbytes, -d) unlimited scheduling priority (-e) 0 file size (blocks, -f) unlimited pending signals (-i) 49151 max locked memory (kbytes, -l) 32 max memory size (kbytes, -m) unlimited open files (-n) 1024 pipe size (512 bytes, -p) 8 POSIX message queues (bytes, -q) 819200 real-time priority (-r) 0 stack size (kbytes, -s) 10240 cpu time (seconds, -t) unlimited max user processes (-u) 49151 virtual memory (kbytes, -v) unlimited file locks (-x) unlimited
#<domain> <type> <item> <value> * hard fsize 10240000
Thanks to anyone who responds!
- Join Date
- Jun 2005
I'm still not sure what is causing NFS to screw up, but I have found away around this problem by installing Samba on the backup server and mounting a Samba share using mount.cifs. Not only does this get around the 2GB file limit, but the CIFS transfers are 2x faster.