10
Avid ISIS Recommended Maintenance
The following maintenance recommendations are not meant to be a troubleshooting guide but
more of a care and monitoring checklist for Avid ISIS. Typically the Avid ISIS does not need to
be power cycled. All components of the ISIS stack can individually be replaced or restarted
without interfering with the operation of ISIS stack.
c
Power cycling the entire stack (all the components at the same time) could risk the stability
of the ISIS stack.
For information on using the tools described in this section, see the
Avid ISIS Administration
Guide
.
Minimum Storage Space Requirement
The recommended amount space you must maintain for background functionality and failures is
7% of free space in each Storage Group. In other words, you should not fill Storage Group more
than 93% full. Exceeding 93% used space can produce severe performance issues in some
situations.
To calculate the right amount of free space, log into the ISIS management Console and navigate
to the Storage Group window. For each Storage Group, take the Effective number and multiply
by 0.07. This will be your recommended free space in GBs. To assure that you Storage Group
never exceeds the recommended space, create a new workspace in this Storage Group with the
same size and label it “Headroom” and do not give anyone access to this workspace.
Daily Maintenance
The following contains a list of items you should do on a daily basis. It is estimated to take 15
minutes to perform these functions.
•
Check the Storage Elements status: Open the ISIS Management Console and click Storage
Elements.
-
You should see a green circle beside the storage blade in the Name column
-
Check the Status column for errors or Network Degraded
