HP HA s Software manual Disk Monitoring Request Suggestions

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Monitoring Disk Resources

Creating Disk Monitoring Requests

		Disk Monitoring Request Suggestions
		The examples listed in Table 2-7 are valid for both RAID and mirrored
		conﬁgurations. For examples on conﬁguring MC/ServiceGuard dependencies, see
		Chapter 1, “Conﬁguring MC/ServiceGuard Package Dependencies”.
Table 2-7		Suggestions for Creating Disk Monitor Requests

			Resources to	Monitoring Parameters
	To be alerted when...		Resources to
	To be alerted when...		monitor	Notify			Value		Option
			monitor


	you are at risk for data		pv_summary	when value is	>=		SUSPECT
	loss (most common for
	loss (most common for		lv_summary	when value is	>=		INACTIVE_
	use with		lv_summary	when value is	>=		INACTIVE_
	use with						DOWN
	MC/ServiceGuard)						DOWN
	MC/ServiceGuard)

	any disks fail		pv_pvlink/status/*	when value is	not		UP
					equal

	any disks fail, and you		pv_pvlink/status/*	when value is	not		UP		RETURN
	want to know when				equal
	they are back up

	you want regular		pv_pvlink/status/*	at each interval	=		DOWN		REPEAT
	reminders to ﬁx			(use a long					RETURN
	inoperative disks,			polling
	controllers, busses,			interval, 1 hour
	and host adapters, and			or more)
	you want notiﬁcation
	when they are ﬁxed

	any logical volume		lv/status/*	when value is...	not		UP
	becomes unavailable				equal

	you have lost a mirror		lv/copies/*	when value is...	<		2
	in your 2-way
	mirroring environment

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Chapter 2

Image 48

Contents Using EMS HA Monitors B5735-90001 AugustLegal Notices Contents Monitoring Cluster Resources Monitoring Network InterfacesTroubleshooting Monitoring System ResourcesGlossary Contents Printing History Printing Date Part Number EditionB5735-90001 Page Preface PublicationsPage Installing and Using EMS Event Monitoring Services High Availability Monitors What are EMS HA Monitors?Chapter Role of EMS HA Monitors in a High Availability Environment Installing and Removing EMS HA Monitors Installing EMS HA MonitorsRemoving EMS HA Monitors Using EMS HA Monitors Event Monitoring Service Resource Class HierarchyStatus AvailMB PvpvlinkEvent Monitoring Service Screen Selecting a Resource to Monitor ScreenUsing Wildcards Creating a Monitoring Request Monitoring Request ParametersHow Do I Tell EMS When to Send Events? What is a Polling Interval? Which Protocols Can I Use to Send Events?What is a Notiﬁcation Comment? Copying Monitoring Requests Modifying Monitoring RequestsRemoving Monitoring Requests Conﬁguring MC/ServiceGuard Package Dependencies Service EMSPackage Conﬁguration Screen Package Resource Dependencies Screen Resource Parameters Screen Using EMS HA Monitors Monitoring Disk Resources Monitoring Disk Resources Disk Monitor Reference Disk Monitor Resource Class HierarchyPhysical Volume Summary Interpreting Physical Volume SummaryDisk Monitor Reference Physical Volume and Physical Volume Link Status Interpreting Physical Volume and Physical Volume Link StatusLogical Volume Summary Interpreting Logical Volume SummaryLogical Volume Status Interpreting Logical Volume StatusLogical volume is inactive Logical volume is DOWN, a complete copy of the data is notLogical Volume Number of Copies Interpreting Logical Volume CopiesRules for Using the EMS Disk Monitor with MC/ServiceGuard Rules for Using the EMS Disk Monitor with MC/ServiceGuard Rules for RAID Arrays Pvsummary Calculations Case Conclusion StateCreating Volume Groups on Disk Arrays Using PV Links Adding PVGs to Existing Volume Groups# mkdir /dev/vgdatabase Creating Logical Volumes Rules for Mirrored Individual Disks Creating Disk Monitoring Requests Disk Monitoring Request Suggestions Parameters When Disks Fail Resources to Monitor for RAID Arrays RAID Array ExamplePvgup Return Resources to Monitor for Mirrored Disks Mirrored Disks ExampleMonitoring Parameters Resource Notify Condition Option Resources to Monitor for Lock Disks Example for Interpreting the pvsummary for Mirrored DisksNumber Pvsummary Valid Meaning Value Devices Resource Monitoring Parameters Notify Condition OptionResources to Monitor for Root Volumes Monitoring Cluster Resources Cluster Monitor Reference Cluster Monitor Resource Class HierarchyCluster Cluster Status Interpreting Custer StatusNode Status Interpreting Node StatusPackage Status Interpreting Package StatusCreating Cluster Monitoring Requests Monitoring Network Interfaces Network Monitor Reference Network Monitor Resource Class HierarchyInterpreting LAN Interface Status Chapter Net/interfaces/lan/status/LANname When value is Conﬁguring Network Monitoring Requests30 sec HourMonitoring System Resources System Monitor Reference System Resource Monitor Class HierarchyNumber of Users Interpreting Number of UsersResource Name Value Range Interpretation Job Queues Interpreting Job QueuesResource Name Value Interpretation Range Filesystem Available Space Filesystem Available SpaceResource Name Creating System Resource Monitoring Requests 6Troubleshooting EMS Directories and Files Etc/opt/resmon/log Logging and tracing EMS LoggingEMS Tracing System Performance Issues Network Performance IssuesPerformance Considerations Testing Monitor Requests Testing Disk Monitor RequestsTesting Cluster Monitor Requests Testing Network Monitor RequestsMaking Sure Monitors are Running Glossary Notiﬁcation See alert Glossary Glossary Index Index Index