A customer would like to deploy Hitachi Global Link Manager (HGLM) to monitor for path errors on their SAN hosts running Hitachi Dynamic Link Manager (HDLM). Which method is used by the host to…

Question

Options

• ASNMP
• BSMTP
• CSMS
• DSIM

• A
  89% (41)
• B
  7% (3)
• C
  2% (1)
• D
  2% (1)

Explanation

SNMP (Simple Network Management Protocol) is the correct answer because HDLM agents on SAN hosts are configured to send SNMP traps to the HGLM server when path errors or faults are detected - SNMP is the industry-standard protocol for real-time alerting in network and storage management environments, and HGLM is specifically designed to receive and process these traps.

Why the distractors are wrong:

• B (SMTP) is an email delivery protocol, not an alerting/monitoring protocol - it has no role in host-to-management-server communication in SAN environments.
• C (SMS) refers to Short Message Service (text messaging), which is entirely unrelated to storage path monitoring protocols.
• D (SIM) refers to Service Information Messages, a concept associated with IBM storage environments (not Hitachi), making it a plausible-sounding but incorrect distractor.

Memory tip: Think "SAN Needs Management Protocol" - SNMP is the universal language that storage/network agents use to "shout" alerts at a central management server. If a host needs to proactively notify a manager, SNMP traps are almost always the answer in Hitachi (and most vendor) environments.

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