Dell VNX5400 Unisphere Central - Next-generation storage monitoring
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- Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 1
White Paper Dell EMC Unisphere Central Next-generation storage monitoring Abstract This white paper introduces Dell EMC® Unisphere Central™, a network application that enables administrators to remotely monitor multiple Dell EMC Unity™ Family, Dell EMC UnityVSA™, VNX™ Series, and VNXe™, EMC CLARiiON - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 2
Revisions Revisions Date July 2019 Description Unisphere Central V4.0 SP8 Release The information in this publication is provided "as is." Dell Inc. makes no representations or warranties of any kind with respect to the information in this publication, and specifically disclaims implied warranties - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 3
5.9 Logs Page...24 5.10 Jobs Page...25 5.11 Performance Page...26 5.12 Settings Menu...28 5.13 Update Software Dialog...30 5.14 Preferences Dialog ...30 5.15 Support Dialog ...31 3 Dell EMC Unisphere Central | H13827 - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 4
6 Advanced Features ...33 6.1 Predictive Pool Capacity Monitoring...33 6.2 Single Sign-On (SSO) ...34 6.3 Profile-Based System Configuration...35 6.4 Unified Search ...36 6.5 Migration Support for Dell EMC Unity Systems 37 7 Unisphere Central High Availability ...39 8 Conclusion...40 A Technical - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 5
Executive summary Executive summary In the world of storage management, storage administrators need a way to access information quickly about their environment especially when it relates to critical systems. This can be a difficult task when an environment consists of multiple systems because - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 6
Central features and provides general usage guidelines. For step-by-step instructions, refer to the Unisphere Central Online Help. 1.1 Audience This Central to monitor VNXe, VNX, CLARiiON CX4™, vVNX, Dell EMC Unity (supported on both Flash and Hybrid) and Dell EMC UnityVSA storage systems. Dell - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 7
existing Lightweight Directory Access Protocol (LDAP) enabled users and groups. • Organize logical views of all system types based on user-defined tags; for example, by location, type, or department. • Launch Unisphere for individual systems. • Identify and display the hosts connected to these - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 8
-stack IPv4/IPv6 environments). • An HTML5 compatible web browser or compatible device like a tablet to view the Unisphere Central HTML5 GUI. Supported web browsers include: - Google Chrome (v33 or later) - Microsoft Internet Explorer (v10 or later) - Mozilla Firefox (v28 or later) - Apple Safari - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 9
Guide, available from Dell EMC Online Support, provides detailed installation instructions DNS servers (DNS Servers Tab) - The network service that converts domain names to their corresponding IP and Dell EMC UnityVSA systems only. - For manual verification, only the IP address of the Unisphere - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 10
Getting Started - For automatic verification, the server hash and challenge phrase configured here are provided to the storage system and the identities of the Unisphere Central server and storage system are verified automatically when it connects to the Unisphere Central server. The Unisphere - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 11
please refer to the Tags section later in this document. Administrators can also use the wizard to add Multiple Storage Systems of the same type to Unisphere Central consecutively. This is done by selecting the Multiple Storage Systems option, and browsing to a text file (*.txt) or a comma-separated - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 12
systems use standard X.509 certificates for mutual authentication. Configure Security Policy If the security policy is set for Manual verification, administrators must manually verify the storage system's certificates just like for VNX and CX4 systems. An unverified system displays a padlock icon - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 13
the Use additional security information from my Unisphere Central checkbox. - Type the Unisphere Central Server Hash. - Type the Challenge Phrase. • If you set the security policy on the Unisphere Central server to Manual, type only the IP address of Unisphere Central. • Click Apply changes when - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 14
Add VNXe, VNX, CX4, vVNX, Dell EMC Unity, and Dell EMC UnityVSA Systems to Unisphere Central Unisphere Central Configuration in Unisphere for VNXe 4.4 Unisphere Central Configuration in Unisphere for Unity Remove Storage Systems from Unisphere Central To remove a VNXe, vVNX, CX4, VNX, Dell EMC - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 15
Add VNXe, VNX, CX4, vVNX, Dell EMC Unity, and Dell EMC UnityVSA Systems to Unisphere Central Remove System Dialog 15 Dell EMC Unisphere Central | H13827 - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 16
Unisphere Central Graphical User Interface 5 Unisphere Central Graphical User Interface The following sections include details regarding the various pages that can be viewed in the Unisphere Central GUI. 5.1 Dashboard Page The Dashboard page displays customizable view blocks for all monitored - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 17
the name of the view block, customize how many pools are shown (5 or 10), show pools from systems with a specific tag, and change the chart type (most available, least available, most percentage, or least percentage). Users can also click a specific pool which brings them to the Pools page with the - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 18
Unisphere Central Graphical User Interface Pools View Block • Pools Running out of Space - Provides a summary of the pools that are running out of space with an estimated time until each pool is full within a week, month, and quarter (Figure 13). Users can customize the name of the view block and - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 19
by table column content by clicking the Filter icon. For example, users can filter systems based on certain severity levels like "Critical" and "Major Problem". This is useful when there are hundreds of systems in an environment and an administrator wants to find the systems that need attention in - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 20
Unisphere Central Graphical User Interface 5.3 Storage Systems Page Tags Storage systems monitored by Unisphere Central can have tags applied to them to help organize and identify the systems in a quick and efficient manner. This is done by highlighting one or multiple systems, clicking the Tags > - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 21
Unisphere Central Graphical User Interface 5.4 Manage Tags Dialog Profiles Page The Profiles page allows administrators to create configuration profiles of supported VNXe, Dell EMC Unity, and Dell EMC UnityVSA systems and push those profiles onto other VNXe, Dell EMC Unity, and Dell EMC UnityVSA - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 22
which Unisphere Central collects storage and configuration data depends on the system type. For VNX and CX4 systems, Unisphere Central collects storage and found in the Migration Support for Dell EMC Unity Systems section of this paper and step-by-step instructions to use the Migration - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 23
Unisphere Central Graphical User Interface 5.7 Migration Sessions Page Hosts Page The Hosts page provides a list of hosts configured on the storage systems monitored by Unisphere Central (Figure 21). The information displayed for each host includes the health state, host name, system, description, - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 24
Unisphere Central Graphical User Interface 5.8 Alerts Page The Alerts page provides a list of aggregated alerts from all storage systems being monitored by Unisphere Central (Figure 22). Users can use alerts to determine the source of an issue, symptoms and cause of the issue, and actions that can - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 25
Unisphere Central Graphical User Interface Logs Page 5.10 Jobs Page The Jobs page allows users to view information for Unisphere Central jobs including those that are active and those that are completed or failed (Figure 24). To quickly determine the number of active jobs (those queued or running - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 26
Unisphere Central Graphical User Interface Jobs Page 5.11 Performance Page The Performance page allows users to view and interact with charts that display historical performance data for the storage systems currently being monitored by Unisphere Central. Figure 25 illustrates an example of a - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 27
Unisphere Central Graphical User Interface Performance Metrics Page (Average CPU Utilization Chart) Metrics are shown in Unisphere Central using line charts which display the aggregate information for a single metric statistic. The line chart shows the metric's value along the y-axis and the user- - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 28
automatically verifies storage systems when they connect to Unisphere Central using a preconfigured security certificate hash and passphrase. Manual verification requires users to manually verify connected storage systems. • Metrics - Configure and manage metrics storage (Figure 27). Use this tab to - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 29
and administrator. Note that a user must have administrator privileges to see and manage the users and groups list. • Directory Services - Configure and manage LDAP server certificates through this page. LDAP helps centralize the management of network authentication and authorization operations - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 30
dialog, seen by clicking the Settings icon, lets users update Unisphere Central system software (Figure 28), configure available language packs, and view support system versions. Update Software Page For upgrading system software, there can only be one update candidate file on the system at a time - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 31
support options available to Unisphere Central including: • Support - Provides instant access to online support Service EMC Unisphere Central - Diagnose, troubleshoot, and repair the Unisphere Central server through this dialog (Figure 30). To access this dialog, users must type the service - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 32
topics and procedures. From this repository, users can locate a wide variety of information including instructions for monitoring systems, detailed explanations, and instructions for servicing Unisphere Central. • Help for - When navigating through the Unisphere Central interface, users can - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 33
to Unisphere Central are: • Predictive pool capacity monitoring • Single Sign-On (SSO) • Profile-based system configuration • Unified search • Migration support for Dell EMC Unity 6.1 Predictive Pool Capacity Monitoring Within the Pools page, there is a column available to users called Days to - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 34
to log off of all systems in an SSO environment from a single system. For more information on enabling SSO, please see the Unity Security Configuration Guide on Dell EMC Online Support. 34 Dell EMC Unisphere Central | H13827 LDAP Server Settings Tab - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 35
a configured LDAP admin user to create a system profile. Profile-based system configuration supports the following configuration settings: • DNS • NTP • Alerts • LDAP • Security • SMTP Server • Support • Location • User Depending on the configuration, the following additional tabs are displayed - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 36
Advanced Features Note: Storage Pool configuration capture is not supported for VNXe1600 systems. 6.4 Configuration Profile Unified Search Unisphere Central includes a unified search feature which allows users to search for objects based on string text criteria. - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 37
end mechanism to migrate block data to Dell EMC Unity systems from supported arrays like SC Series systems. The feature utilizes the existing SAN by-step instructions on initial system connection setup, see the white paper titled Dell EMC Unity Migration Technologies and the user guide titled Dell - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 38
of Completion (as seen in Figure 36). Migration session(s) information within the Migration Sessions page is automatically updated every 5 minutes. To manually refresh and pull the latest migration session information for a specific session, should close and reopen the properties window for that - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 39
of (at least) two hosts. This is the recommended HA level for Unisphere Central services. At any given moment, the Unisphere Central Server VM runs on a single host . The Dell EMC Unisphere Central Installation Guide, located on the Dell EMC Online Support website, provides more information about HA - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 40
UnityVSA systems and the hosts connected to those resources making it easier for administrators to oversee their environment. Unisphere Central's support ecosystem puts a world of resources at the administrator's fingertips. Comprehensive online documentation, help, training, and how-to videos are - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 41
and resources A Technical support and resources Dell.com/support is focused on meeting customer needs with proven services and support. Storage technical documents and Environment (OE) Overview • Dell EMC UnityVSA • Unisphere Central 4.0 Installation Guide 41 Dell EMC Unisphere Central | H13827 - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 42
Performance Metrics B Performance Metrics Unisphere Central gathers metrics from the monitored VNXe, VNX, CX4, vVNX, Dell EMC Unity and Dell EMC UnityVSA storage systems and displays them in the Performance page. The metrics functionality requires additional storage space to store the data - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 43
cycles, as a percentage, across all cores in the storage system SPs. DISK* Average Disk Queue Length Average Disk Response Time Average Disk Service Time Total Disk Bandwidth Total Disk Throughput Average number of disk I/O requests in the system queue, across all disks in the storage system - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 44
CPU DISK LUN/SP METRIC Cache Dirty Cache Hit CPU Utilization Disk Bandwidth Disk Errors Disk Response Time Disk Queue Length Disk Service Time Disk Throughput LUN Bandwidth LUN Response Time Available VNX Performance Metrics DESCRIPTION Ratio of cache, as a percentage, written but not flushed - Dell VNX5400 | Unisphere Central - Next-generation storage monitoring - Page 45
Performance Metrics PORT PROTOCOL/ OPERATION/ VERSION/ MOVER VOLUME/MOVER LUN Queue Length LUN Throughput Port Bandwidth Port Throughput Protocol Throughput File System Bandwidth File System Throughput Average number of LUN I/O requests in the system queue across all LUNs in the storage system
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H13827
White Paper
Dell EMC Unisphere Central
Next-generation storage monitoring
Abstract
This white paper introduces Dell EMC® Unisphere Central™, a network
application that enables administrators to remotely monitor multiple Dell EMC
Unity
™ Family,
Dell EMC Unity
VSA™, VNX™ Series, and VNXe™, EMC
CLARiiON CX4™ Series and vVNX Series storage systems residing on a
common network. This paper provides a detailed description of how to use this
leading-edge application.
August 2019