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Foglight for Storage Management Shared 4.8.5 - User and Reference Guide

Table of Contents

Getting Started

Introducing Foglight for Storage Management

Performance Monitoring Capacity Monitoring Connectivity and I/O Performance Monitoring

Navigating Foglight for Storage Management Introducing the Storage Monitoring Architecture

Foglight for Storage Management Components

Foglight for Storage Management Storage Collector Agent

Network Ports Used

Sizing Your Monitored Environment Ensuring System Requirements are Met

Small Environment System Requirements Large Environment System Requirements Requirements for Agent Managers

Installed Dashboards and Cartridges

Dashboards Cartridges

Configuring Agent Managers for Storage Collection

Installing External Agent Managers Creating a Lockbox for Foglight for Storage Management Credentials

Supporting an Environment with Separate Fabrics that have Duplicated WWNs Configuring Storage Collector Agents Configuring VMware Performance Agents Configuring Hyper-V Agents Assigning Foglight for Storage Management Roles

Configuring Agents to Monitor Storage Devices

Brocade SAN Switches

Requirements for Brocade SAN Switches

Brocade Switches on FOS 7.0 or later Brocade Switches on earlier versions of FOS

Configuring Agents to Monitor Brocade SAN Switches

Cisco SAN Switches

Requirements for Cisco SAN Switches Ensuring that SSH is Enabled on Switches Configuring Agents to Monitor Cisco SAN Switches

Dell Compellent Arrays

Requirements for Dell Compellent Arrays Configuring Agents to Monitor Dell Compellent Arrays

Dell EqualLogic PS Series Array Groups

Requirements for Dell EqualLogic Arrays Configuring Agents to Monitor Dell EqualLogic Arrays

EMC CLARiiON CX Series Arrays (CLI)

Requirements for EMC CLARiiON CX Series Arrays (CLI) Configuring Agents to Monitor EMC CLARiiON CX Series Arrays (CLI)

EMC CLARiiON, VNX, or VMAX Storage Arrays (SMI-S)

Requirements for EMC CLARiiON or VNX Arrays (SMI-S) Requirements for EMC VMAX Arrays (SMI-S) Configuring Agents to Monitor EMC Storage Arrays (SMI-S) Configuring the SMI-S Provider for EMC CLARiiON or VNX Verifying Statistics Logging is Enabled on EMC Arrays

Enabling Statistics Logging Using Unisphere Enabling Statistics Logging Using Navisphere

Requirements for EMC Isilon Configuring Agents to Monitor EMC Isilon Arrays

Requirements for EMC VPLEX Configuring Agents to Monitor EMC VPLEX Arrays

Hitachi Data Systems AMS, USP, and VSP

Requirements for Hitachi Data Systems AMS, USP, VSP Configuring Agents to Monitor Hitachi Data Systems AMS Configuring Agents to Monitor Hitachi Data Systems USP and VSP Arrays

HP EVA Storage Arrays

Requirements for HP EVA Storage Arrays Configuring Agents to Monitor HP EVA Storage Arrays

Requirements for HP 3PAR Arrays Enabling the SMI-S Provider Configuring Agents to Monitor HP 3PAR Arrays

Requirements for NetApp Filers Configuring Agents to Monitor NetApp Filers

Configuration Procedures

Configuring Agents to Monitor Storage Devices Assigning Credentials

Creating and assigning new credentials Selecting and assigning an existing credential About releasing the Agent Manager lockbox

Resolving Connection Attempt Errors Configuring the Hitachi Tuning Manager Configuring Generic SMI-S Array Agent to Monitor Storage Devices Managing certificates

Managing Agents

Reviewing the Status of Configured Storage Collector Agents Reviewing Agent Alarms Editing Configured Agents

Reviewing Agent Status and Validating Connectivity

Validating Connectivity Properties Panel Port Property Path Property Status of Arrays

Managing Credentials

Editing existing credentials Removing a resource mapping from the Credentials dashboard

Managing Discovered Switches and Arrays

Brocade Discovered Targets Tab Arrays Discovered Targets Tab

Managing CLARiiON Domains and Arrays Managing the Hitachi Tuning Manager

Deploying Storage Agents after an Upgrade

Using Foglight for Storage Management

Verifying StorageCollector/Generic SMIS Storage Agents are Collecting Storage Data

Collecting Storage Data for Virtualized Devices and Servers

Understanding Metric Data in Charts and Tables Modifying and Extending Data Collection Next Steps

Monitoring Storage Performance

Introducing the Storage Environment Dashboard Monitoring Your Storage Environment

Understanding Status, Alarms, and Rules in Foglight for Storage Management Reviewing the Status of All Devices Assessing Storage Alarms Monitoring Fabrics Monitoring Storage Arrays Monitoring Filers

Asking Questions About the Monitored Storage Environment Assessing Connectivity and I/O Performance

Introducing the Virtualization Dashboards Summary of Icons Used in Topology Diagrams Exploring Connectivity with SAN Topology Diagrams Exploring I/O Performance with SAN Data Paths

Monitoring Storage Capacity

Capacity Trending Evaluating Pool Capacity Environment Summary/Monitoring/Summary Capacity Reports Low Capacity Rule Storage Capacity tab

Creating Storage Reports

Investigating Storage Devices

Introducing the Storage Explorer Exploring a Fabric Exploring a Switch Exploring a Cisco VSAN Exploring a Filer Exploring a Storage Array

Non-Clustered Storage Arrays Dell EqualLogic Storage Array EMC VPLEX Storage Array EMC Isilon Storage Array

Common Data for Filers and Storage Arrays

LUNs tab Disks tab Advanced Find

Investigating Storage Components

Introducing Storage Component Dashboards Investigating an Aggregate Investigating an Array/Filer Port Investigating a Controller Investigating a Directory Investigating an EqualLogic Member Investigating an FC Switch Port Investigating an Isilon Node Investigating a LUN Investigating a NASVolume Investigating a Physical Disk Investigating a Pool

Pool belonging to a non-clustered storage array or EqualLogic storage array Pool belonging to an Isilon storage array

Common Component Disk Tab Data

Investigating VPLEX Storage

Introducing VPLEX Virtualization Components Dashboards Investigating Director - Ports Investigating a Virtual Volume Investigating a Storage Volume

Troubleshooting Storage Performance

Starting a Troubleshooting Investigation Analyzing Storage Issues Analyzing the Pool Changing Latency Thresholds Understanding the Troubleshooting Algorithm

Managing Data Collection, Rules, and Alarms

Collecting Virtual Storage-to-SAN Relationships Inferring Physical-Host-to-Storage Relationships

Enabling Dependency Processing Reviewing and Editing Host-Port Assignments Running Dependency Processing Manually Customizing Helper Strings for Dependency Processing Reviewing Inferred Hosts

Modifying Data Collection Schedules

Understanding Data Collection Types and Schedules

Topology collections Performance collections Default data collection schedules

Modifying Data Collection Schedules for Storage Collector Agents

Creating a unique schedule for an agent Assigning a Cloned Schedule to Another Agent

Managing Foglight for Storage Management Rules Managing Alarm Settings

Changing Alarm Sensitivity Configuring Email Notifications for Alarms

Troubleshooting Database Limits

Understanding Metrics

Units of Measurement Performance Metrics

Fabrics and FC Switches — Performance Metrics Storage Arrays and Filers — Disk I/O Performance Metrics Clustered Storage Arrays — Network Performance Metrics

Capacity Metrics

Storage Arrays — Array, Member, and Pool Capacity Metrics

EMC Isilon Only Capacity Metrics

Filers — Filer and Aggregate Capacity Metrics Storage Arrays and Filers — LUN, NASVolume, and Disk Capacity Metrics

Overview of Metrics in Foglight for Storage Management

Summary of SAN Topology Objects Locating SAN Topology Objects in Foglight for Storage Management

Appendix: Collection Target Support Matrix Online-Only Topics

Storage Environment Dashboard Storage Explorer Pool and Aggregate Dashboards

Filers — Filer and Aggregate Capacity Metrics

Foglight for Storage Management supports NetApp filers (F). NetApp uses the word aggregate (Ag) instead of pool, but the metrics collected for aggregates are similar to the metrics collected for pools.

Table 26. Filer and Aggregate Capacity Metrics
Capacity Metric	Description	F	Ag	Topology Name
Advertised LUNs Size	Also Total Advertised LUNs Size or Adv LUNs Size Sum of the Advertised LUN Size for all LUNs in the entity.			configured_lun_size
Advertised NASVolumes Size	Sum of the Advertised Size for all NASVolumes.			Filer: configured_vol_size Aggregate: conf_VolSize
Disk Capacity (Raw)	Also Total Disk Capacity Sum of the sizes of the disks in the filer. This includes spares.			disk_capacity
Free Disk/Spares Capacity (Raw)	Amount of disk capacity that has not been committed to an aggregate. Disk capacity cylinder coloring and capacity alarms are defined in registry variables with the prefix: StSAN.FilerDisks.PctUnallocatedCapacityThres hold...			disk_free
Aggr Capacity (Usable) Total	Also Total Usable Aggr Capacity Sum of the Total Usable Capacity of all the aggregates in the filer. Aggregate capacity cylinder coloring and alarms are defined in registry variables with the prefix: StSAN.FilerAggregates.PctUnallocatedCapacityThreshold...			pool_capacity_conf
Aggr Capacity (Usable) Free	Also Available Aggr Capacity Sum of the Available Usable Capacity in the aggregates. Usable means after applying RAID.			pool_free_conf
Aggr Capacity (Raw) Total	Also displayed as Aggregate Capacity (Raw) Sum of the raw capacity of all the aggregates in the filer.			pool_capacity_raw
Aggr Capacity (Raw) Free	Sum of the available raw capacity in all the aggregates.			pool_free_raw
Overcommitment	= Advertised NASVolumes Size – Aggr Capacity (Usable) Total Overcommitment reflects the minimum additional capacity needed in the aggregate to support the advertised capacity promised to thin-provisioned volumes and LUNs. When the value of overcommitment is greater than zero, you run the risk of I/O writes failing because of insufficient physical storage to support the demand.			conf_overcommitted
Total Usable Capacity	Total capacity of the aggregate in usable terms. Usable means after applying RAID.			conf_capacity
Available Usable Capacity	Also displayed as Available Capacity Capacity available in the aggregate that has not been committed to data, snapshots, or thick-provisioned volumes and LUNs, in usable terms. Usable means after applying RAID.			conf_available
Used Capacity	= Total Usable Capacity – Available Usable Capacity			conf_used
% Available	Also % Free = Available Usable Capacity / Total Usable Capacity			Calculated

Storage Arrays and Filers — LUN, NASVolume, and Disk Capacity Metrics

These metrics describe the capacity of LUNs, NASVolumes, and disks.

Table 27. LUN, NASVolume, and Disk Capacity Metrics
Capacity Metric	Description	L	N	D	Topology Name
Advertised LUN Size	Size of the LUN as advertised to the hosts connected to the LUN.				advertisedSize
Provisioned Usable Capacity	Capacity provisioned for LUN data. In a thin-provisioned LUN, this is the capacity used for data written to the LUN. In a thick-provisioned LUN, this is the capacity allocated to the LUN, and does not reflect data written.				size
Provisioned Raw Capacity	Capacity provisioned for LUN data in raw terms.				rawCapacity
Advertised Size	Size of the NASVolume as advertised to the host mounting the volume.				total_capacity
Free Capacity	Advertised Size – Used Capacity				available_capacity
Used Capacity	Capacity in volume committed to data, snapshots, etc. in usable terms.				used_capacity
% Used	= Used Capacity / Advertised Size				percent_used
Disk Size	Size of the disk in MBs. Disk capacity cylinder coloring and capacity alarms are defined in registry variables with the prefix: StSAN.FilerDisks.PctUnallocatedCapacityThreshold...				size

Overview of Metrics in Foglight for Storage Management

Metrics and data are saved in the Foglight for Storage Management database as properties of topology objects. Topology objects correspond to the types of storage devices and components being monitored in your storage environment.


	TIP: For in-depth information about the Foglight for Storage Management data model, see the Data Model Guide.

Summary of SAN Topology Objects

If you want to create new rules or custom dashboards, or if you want to browse the data directly instead of through the Storage & SAN dashboards, you need to know the names of devices, components, and metrics as they are stored in the Foglight for Storage Management Database Repository.

The following tables list the top-level storage devices and all child components, and identifies their topology object names. These lists are not comprehensive, rather they reflect the objects that you may need to reference if you are creating new rules or custom dashboards. For other objects, see the Data dashboard. For help navigating to the Data dashboard, see Locating SAN Topology Objects in Foglight for Storage Management.

Table 28. SAN Topology Objects
Device	Topology Object
Fabric	SanFabric
Fibre Channel Switch	SanFcSwitch
VSAN	SanVsan
Filer	SanFiler
Storage Array	SanStorageArray


Component	Topology Object
FC Switch Port	SanFcSwitchPort
FC Port (Arrays/Filers)	SanStorageSupplierPortFC
IP Port (Arrays/Filers)	SanStorageSupplierPortISCSI
InfiniBand Port (Arrays)	SanStorageSupplierPortIB
Controller	SanController
Disk	SanPhysicalDisk
LUN	SanLun
Member	SanMember
NASVolume	SanVolume
Pool or Aggregate	SanPool
Virtual Machine	SanStorageVirtualMachine
Logical Interface	SanLogicalInterface

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