eG Monitoring
 

Measures reported by CtxSDXXenSRTest

A storage repository consists of virtual disks and partitions created from a physical disk. If a storage repository runs out of disk space or is in an abnormal state, the VPX instances mapped to that repository will no longer be able to use the repository; this can bring the operations of the VPX instances to a standstill! This is why, it is important that the state and disk space usage of each storage repository is tracked continuously, and abnormalities immediately brought to the attention of administrators. The CtxSDXXenSRTest test helps with this!

Using this test, administrators can determine whether any storage repository is in a bad / abnormal state presently. The test also proactively alerts administrators to a potential space crunch on a repository, so that administrators can do what is necessary to prevent instance performance to suffer.

Outputs of the test : One set of results for each storage repository.

Measurement Description Measurement Unit Interpretation
Status Indicates the current state of this storage repository.   The values that this measure can report and their corresponding numeric values have been listed in the table below:

Numeric Value Measure Value
100 Good
0 Bad

Note:

By default, this measure reports the above-mentioned Measure Values to indicate the current state of a storage repository. However, in the graph of this measure, the Measure Values will be represented using their corresponding numeric equivalents only.
Disk_size Indicates the current capacity of this storage repository. GB  
Disk_utilized Indicates the amount of disk space in this storage repository that is utilized by the VPX instances. GB A low value is desired for this measure.
Disk_free Indicates the amount of disk space in this storage repository that is currently unused. GB A high value is desired for this measure.
Disk_usage Indicates the percentage of disk space in this storage repository that is in use. Percent Compare the value of this measure across storage repositories to know which repository is being used excessively.

Typically, a value close to 100% is a cause for concern, as it implies that the VPX instances are consuming disk space excessively. You may want to consider allocating more virtual disks to the instances, so that the potential storage contention is averted.