Spectrum is not triggering disk offline alarms for some of the windows models.
"Alarm if offline" option is checked in the file system monitor configuration.
Issue is occurring because different OID instance is used to send the disk information every time. where as spectrum checks for the response from the same OID instance
This issue is addressed in Spectrum 10.2.2 with the 10.02.02_PTF_10.2.235 patch.
This issue is addressed in Spectrum 10.3.0 with the 10.03.00.BMP_10.3.001 patch.
This issue is also addressed in 10.3.2 and greater.