Veritas™ File System 5.0.1 Administrator's Guide
confined to data extents. mdisable is the default ioerror mount option for cluster
mounts.
The largefiles|nolargefiles option
The section includes the following topics :
■ Creating a file system with large files
■ Mounting a file system with large files
■ Managing a file system with large files
VxFS supports files larger than 2 gigabytes. The maximum file size that can be
created is 2 terabytes.
Note: Applications and utilities such as backup may experience problems if they
are not aware of large files. In such a case, create your file system without large
file capability.
Creating a file system with large files
To create a file system with a file capability:
# mkfs -F vxfs -o largefiles special_device size
Specifying largefiles sets the largefiles flag. This lets the file system to hold
files that are two gigabytes or larger. This is the default option.
To clear the flag and prevent large files from being created:
# mkfs -F vxfs -o nolargefiles special_device size
The largefiles flag is persistent and stored on disk.
Mounting a file system with large files
If a mount succeeds and nolargefiles is specified, the file system cannot contain
or create any large files. If a mount succeeds and largefiles is specified, the file
system may contain and create large files.
The mount command fails if the specified largefiles|nolargefiles option does
not match the on-disk flag.
Because the mount command defaults to match the current setting of the on-disk
flag if specified without the largefiles or nolargefiles option, the best practice
VxFS performance: creating, mounting, and tuning file systems
Mounting a VxFS file system
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