ufsdump and large files

[NortonES2]

When using this command to write to a tape device there is no problem, though when writing to another disk the command fails when the output file reaches 2Gb. Is there anyway to allow it to create files greater than this?

-------------------------------

If it doesn't leak oil it must be empty!!

 

[KenCunningham]

Which Solaris version? Is the filesystem you're writing to largefile enabled?

 

[11011110000]

Does the Solaris Volume Manager have a large file option?

 

[julianbarnett]

It's not volume manager - it's the filesystem you have mounted , the mount command will show largefiles against filesystems that are largefile enabled - I believe the standard ufs mkfs and mount options assume applications are largefile aware. Veritas I think assumes nolargefiles by default and needs to be changed "/usr/lib/fs/vxfs/fsadm -o largefiles /filesystem
" and remounted specifically with the largefiles option set (in vfstab). May be different prior to Solaris 2.6 when 2Gb limit was lifted.

Regards Julian

 

[bfitzmai]

You can also get around the 2 GB limit with command:
limit filesize unlimited

 

[NortonES2]

Using Solaris 7, will try limit filesize unlimited, when I run mount the following is returned:-

/proc on /proc read/write/setuid on Sat Jul 10 15:43:39 2004
/ on /dev/dsk/c0t0d0s0 read/write/setuid/largefiles on Sat Jul 10 15:43:39 2004
/dev/fd on fd read/write/setuid on Sat Jul 10 15:43:39 2004
/export/home on /dev/dsk/c0t0d0s7 read/write/setuid/largefiles on Sat Jul 10 15:
43:42 2004
/extent1 on /dev/dsk/c0t8d0s4 read/write/setuid/largefiles on Sat Jul 10 15:43:4
2 2004
/extent2 on /dev/dsk/c0t8d0s5 read/write/setuid/largefiles on Sat Jul 10 15:43:4
2 2004
/tranlog on /dev/dsk/c0t9d0s4 read/write/setuid/largefiles on Sat Jul 10 15:43:4
2 2004
/standby on /dev/dsk/c0t9d0s5 read/write/setuid/largefiles on Sat Jul 10 15:43:4
2 2004
/tmp on swap read/write/setuid on Sat Jul 10 15:43:42 2004
/devbackup on /dev/dsk/c0t8d0s7 read/write/setuid/largefiles on Sat Jul 10 15:43
:42 2004
/prodbackup on /dev/dsk/c0t9d0s7 read/write/setuid/largefiles on Sat Jul 10 15:4
3:42 2004

-------------------------------

If it doesn't leak oil it must be empty!!

 

[NortonES2]

ulimit -a shows filesize as unlimited, so unsure what else to try.

-------------------------------

If it doesn't leak oil it must be empty!!

 

[NortonES2]

ulimit -a shows filesize as unlimited, I'm out of ideas.

-------------------------------

If it doesn't leak oil it must be empty!!

 

[julianbarnett]

Wonder if this is ufsdump or the filsystem causing the problem, can you make a large file in the target partition?
e.g. mkfile -v 4000m /devbackup/largefile.

 

[NortonES2]

Upgraded the OS to Solaris 9 and the problem has been resolved. Must be a feature of Solaris 7!!!!

-------------------------------

If it doesn't leak oil it must be empty!!