Veritas File System v5.0.1 Administrator's Guide for HP-UX 11i v3 (5900-0082, June 2010)

Figure 6-4
Updates to a nodata clone
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D
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Storage CheckpointPrimary fileset
See “Showing the difference between a data and a nodata Storage Checkpoint”
on page 95.
Removable Storage Checkpoints
A removable Storage Checkpoint can “self-destruct” under certain conditions
when the file system runs out of space.
See “Storage Checkpoint space management considerations” on page 102.
After encountering certain out-of-space (ENOSPC) conditions, the kernel removes
Storage Checkpoints to free up space for the application to continue running on
the file system. In almost all situations, you should create Storage Checkpoints
with the removable attribute.
Non-mountable Storage Checkpoints
You can create Storage Checkpoints that cannot be mounted by using the
fsckptadm set nomount command.
See the fsckptadm(1M) manual page.
89Storage Checkpoints
Types of Storage Checkpoints