SUMMARY: Problem copying large files.

From: Edward Carr (
Date: Tue Oct 03 2000 - 12:16:49 CDT

First off I would like to thank everyone for there suggestions.
And the award goes to Changa Anderson and Mark Luntzel who both gave the
following solution ...

VXFS large file support is enabled during the mkfs process. You can check
vxfs filesystems by doing the following:
for name in `grep vxfs /etc/mnttab | awk '{print $1}'`
        /usr/lib/fs/vxfs/mkfs -m $name

If you see nolargefiles, then it's not supported. The beautiful thing about
VXFS is that you can change this while the filesystems are mounted by doing
for name in `grep vxfs /etc/mnttab | awk '{print $2}'`
        /usr/lib/fs/vxfs/fsadm -o largefiles $name


For some reason the person who created the second set of disks did not
enable largefiles on them ...


Ted Carr

-----Original Message-----
Subject: Problem copying large files.

It was pointed out I did not mention what platform I was doing this on. I
have two SUN E6500 connected to a HDS 3tb Disk Array by way of a fiber
bridge. We are using Solaris 2.6 (for now) and running VxFS, but I am not
sure whether Large File support has been enabled.

I have tried the following commands already but to no avail ...

vxdump 0f - /oradata/disk06 | (cd /oradata2/disk06; vxrestore xf -)

tar cf - /oradata/disk06 | (cd /oradata2/disk06;tar xvf -)

-----Original Message-----
Subject: Problem copying large files.


I need to copy a few 4gb - 6gb ORACLE files from one drive to another, but
cp is dying at around 2gb. I thought it was supposed to be able to handle
files larger than 2gb. Anyone have any suggestions or can tell me what I am
doing wrong?

Thank You

Ted Carr

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