Read Isilon OneFS XML quota reports.
File names are like:
scheduled_quota_summary_1650511800.xmlscheduled_quota_report_1650511800.xml
The timestamp in the name (1650511800 above) is in local timezone.
>>> import datetime
>>> datetime.datetime.fromtimestamp(1650511800).isoformat()
'2022-04-20T23:30:00'