Declaring Site Downtimes

Sites periodically need to declare a downtime, either one scheduled in advance (maintenance, etc.), or in some cases in response to a critical outage (power, cooling, etc.). In the latter case the ability to declare the outage quickly is useful in terms of informing ATLAS about the problem. This can avoid a situation where the site is down, but if the outage has not yet been reported then the site may begin receiving problem tickets like GGUS.

US sites have two options for declaring downtimes:

About dCache

Overview

dCache is a sophisticated system that allows transparent access to files on disk or stored on magnetic tape drives in hierarchical storage managers (HSMs). dCache is a joint venture between the Deutsches Elektronen-Synchrotron (DESY), Fermi National Accelerator Laboratory (FNAL), and Nordic e-Infrastructure collaboration (NeIC).

DMARC Policy

Domain-Based Message Authentication, Reporting & Conformance (DMARC) Policy

BNL Cyber Security has implemented an email authentication policy called DMARC, a domain-based message authentication, reporting, and conformance policy that relies on the DKIM (DomainKeys Identified Mail) and SPF (sender policy framework) email authentication protocols.