The
fssconfig command configures file system snapshot pseudo disk devices. It will associate the file system snapshot disk
device with a snapshot of
path allowing the latter to be accessed as though it were a disk.
If
backup resides on the snapshotted file system a persistent snapshot will be created. This snapshot is active until
backup is unlinked. This snapshot mode is only supported for ffs files systems.
Otherwise data written through the
path will be saved in
backup. If
backup is a regular file, it will be created with length
size. Default size is the size of
path. Data is saved to
backup in units of
cluster bytes.
Options indicate an action to be performed:
-c
Configures the device. If successful, references to device will access the contents of path at the time the snapshot was taken. If backup is a directory, a temporary file will be created in this directory. This file will be unlinked on exit.
-l
List the snapshot devices and indicate which ones are in use. If a specific device is given, then only that will be described.
-u
Unconfigures the device.
-v
Be more verbose listing the snapshot devices.
-x
Unlink backup after the device is configured.
If no action option is given,
-c is assumed.