Apple Xsan 2 - Manual (Page 149)

Appendix C Use command-line tools 149
Manipulate affinity tags (cvaffinity)
Use the cvaffinity command to assign an affinity tag to a folder or a file or to list the
affinity tag assigned to a folder or a file.
Assigning an affinity tag to a folder or file causes it to be stored on a storage pool that
has the same affinity tag. You can see the affinity tags for available storage pools by
using the
show long command of the cvadmin tool.
Set an affinity tag for a folder or file:
$ cvaffinity -s affinity target
List the affinity tag assigned to a folder or file:
$ cvaffinity -l target
Delete the affinity tag from a folder or file:
$ cvaffinity -d target
Parameter Description
affinity The affinity tag that’s assigned to the storage
pools where you want the target folder or file to
be stored.
target The path to and name of the folder or file.
Copy files or folders (cvcp)
Use the cvcp command to copy files or folders to or from an Xsan volume.
$ cvcp [options] source destination
Parameter Description
options See “cvcp command options” below.
source The file or folder (directory) to be copied.
destination Where the copy is created.
cvcp command options
Option Description
-A Turn off preallocation.
-b buffers Set the number of I/O buffers to use.
buffers – the number of buffers to use for
the copy
-k size Set the copy buffer size.
size – the buffer size (bytes)