Analysis of information sources in references of the Wikipedia article "الوثوقية والإتاحة وقابلية الصيانة" in Arabic language version.
Historically, Reliability Availability and Serviceability (RAS) systems were commonly provided by vendors on mainframe class systems. [...] The RAS system shall be a systematic union of software and hardware for the purpose of managing and monitoring all hardware and software components of the system to their individual potential.
[...] a system server may have excellent availability (runs forever), but continues to have frequent data corruption (not very reliable).
Historically, Reliability Availability and Serviceability (RAS) systems were commonly provided by vendors on mainframe class systems. [...] The RAS system shall be a systematic union of software and hardware for the purpose of managing and monitoring all hardware and software components of the system to their individual potential.
[...] a system server may have excellent availability (runs forever), but continues to have frequent data corruption (not very reliable).