VERITAS Storage Foundation 4.1 Release Notes

New and Enhanced Features
14 VERITAS Storage Foundation Release Notes
Quality of Storage Service
The Quality of Storage Service (QoSS) option is built on the multi-volume support technology
introduced in this release. Using QoSS, you can map more than one device to a single file system.
You can then configure policies that automatically relocate files from one device to another, or
relocate files by running file relocation commands. Having multiple devices lets you determine
where files are located, which can improve performance for applications that access specific types
of files. QoSS is managed using the VEA GUI, or the fssweep, fsmove and fsrpadm
commands. QoSS functionality is a separately licensable feature that is available with the
VRTSfspro package.
There are three new commands associated with this feature:
Note To use the QoSS feature, a VxFS license is required that enables QoSS.
Storage Checkpoint Quotas
Usage limits can now be set on Storage Checkpoints. The following keywords were added to the
fsckptadm command to administer Storage Checkpoints’ quota functionality:
Note To use storage checkpoint quotas, a VxFS license is required to enable storage checkpoints.
Storage Checkpoint File System Restore
Storage Checkpoints can be used by backup and restore applications to restore either individual
files or an entire file system. Restoring from Storage Checkpoints can recover data from incorrectly
modified files, but typically cannot be used to recover from hardware damage or other file system
integrity problems. File system restoration can be done using the fsckpt_restore(1M)
administrative command.
There is one new command associated with this feature:
fsmove Relocates files to a destination component volume.
fssweep Traverses the directory structure of one or more file systems.
fsrpadm Administers relocation policies.
getquotalimit Displays current quota limits, current usage, and flags set.
setquotalimit Sets the hard limit and soft limits for Storage Checkpoint quotas.
quotaon
quotaoff
Turns Storage Checkpoint quotas on and off.
fsckpt_restore VxFS Storage Checkpoint restore utility.