book

Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize Version 8.4

by Corne Lottering, Denis Olshanskiy, Jackson Shea, Jordan Fincher, Hartmut Lonzer, Ibrahim Alade Rufai, Katja Kratt, Konrad Trojok, Leandro Torolho, Pawel Brodacki, Rodrigo Jungi Suzuki, Sergey Kubin, Sidney Varoni Junior, Tiago Bastos, Vasfi Gucer

August 2021

Intermediate to advanced

922 pages

26h 1m

English

IBM Redbooks

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1.1 Storage virtualization terminology1.2 Latest changes and enhancements1.3 IBM SAN Volume Controller architecture1.3.1 IBM SAN Volume Controller architectural overview1.3.2 IBM Spectrum Virtualize1.3.3 IBM SAN Volume Controller topology1.4 IBM SAN Volume Controller models1.4.1 IBM SAN Volume Controller SV2 and SA21.4.2 IBM SAN Volume Controller SV11.4.3 IBM SAN Volume Controller model comparisons1.5 IBM SAN Volume Controller components1.5.1 Nodes1.5.2 I/O groups1.5.3 System1.5.4 Expansion enclosures1.5.5 Flash drives1.5.6 MDisks1.5.7 Cache1.5.8 Quorum disk1.5.9 Storage pool1.5.10 Volumes1.5.11 Easy Tier1.5.12 Hosts1.5.13 Array1.5.14 Encryption1.5.15 iSCSI and iSCSI Extensions over RDMA1.5.16 IBM Real-time Compression1.5.17 Data Reduction Pools1.5.18 IP replication1.5.19 IBM Spectrum Virtualize copy services1.5.20 Synchronous or asynchronous Remote Copy1.5.21 FlashCopy and Transparent Cloud Tiering1.6 Business continuity1.6.1 Business continuity with Stretched Clusters1.6.2 Business continuity with Enhanced Stretched Cluster1.6.3 Business continuity with HyperSwap1.6.4 Business continuity with three-site replication1.6.5 Automatic hot spare nodes1.7 Management and support tools1.7.1 IBM Assist On-site and Remote Support Assistance1.7.2 Event notifications1.8 Useful IBM SAN Volume Controller web links
2.1 General planning rules2.2 Planning for availability2.3 Physical installation planning2.4 Planning for system management2.4.1 User password creation options2.5 Connectivity planning2.6 Fibre Channel SAN configuration planning2.6.1 Physical topology2.6.2 Zoning2.6.3 N_Port ID Virtualization2.6.4 Inter-node zone2.6.5 Back-end storage zones2.6.6 Host zones2.6.7 Zoning considerations for Metro Mirror and Global Mirror2.6.8 Port designation recommendations2.7 IP SAN configuration planning2.7.1 iSCSI and iSER protocols2.7.2 Priority flow control2.7.3 RDMA clustering2.7.4 iSCSI back-end storage attachment2.7.5 IP network host attachment2.7.6 Native IP replication2.7.7 Firewall planning2.8 Planning topology2.8.1 High availability2.8.2 Three-Site replication2.9 Back-end storage configuration2.10 Internal storage configuration2.11 Storage pool configuration2.11.1 Child pools2.11.2 Storage pool and cache relationship2.12 Volume configuration2.12.1 Planning for image mode volumes2.12.2 Planning for fully allocated volumes2.12.3 Planning for thin-provisioned volumes2.12.4 Planning for compressed volumes2.12.5 Planning for deduplicated volumes2.13 Host attachment planning2.13.1 Queue depth2.13.2 Microsoft Offloaded Data Transfer2.13.3 SAN boot support2.13.4 Planning for large deployments2.13.5 Planning for SCSI Unmap2.14 Planning copy services2.14.1 FlashCopy guidelines2.14.2 Planning for Metro Mirror and Global Mirror2.15 Data migration2.16 Performance monitoring with IBM Storage Insights2.17 Configuration backup procedure
3.1 Prerequisites3.2 System initialization3.2.1 System initialization process3.3 System setup3.3.1 System setup wizard3.4 Base configuration3.4.1 Configuring Remote Direct Memory Access clustering3.4.2 Adding a node or hot spare node3.4.3 Changing the system topology3.4.4 Configuring quorum disks or applications3.4.5 Configuring the local Fibre Channel port masking3.5 Configuring management access3.5.1 Configuring secure communications3.5.2 Configuring password policies3.5.3 Configuring user authentication
4.1 Normal operations by using the GUI4.1.1 Accessing the GUI4.2 Introduction to the GUI4.2.1 Task menu4.2.2 Suggested tasks4.2.3 Notification icons and help4.3 System Hardware - Overview window4.3.1 Content-based organization4.4 Monitoring menu4.4.1 System Hardware overview4.4.2 IBM Easy Tier Reports4.4.3 Events4.4.4 Performance4.4.5 Background Tasks4.5 Pools4.6 Volumes4.7 Hosts4.8 Copy Services4.9 Access4.9.1 Ownership groups4.9.2 Users by groups4.9.3 Audit log4.10 Settings4.10.1 Notifications menu4.10.2 Network4.10.3 Using the management GUI4.10.4 Security menu4.10.5 System menus4.10.6 Support menu4.10.7 GUI Preferences menu4.11 Other frequent tasks in the GUI4.11.1 Renaming components4.11.2 Changing the system topology4.11.3 Restarting the GUI service
5.1 Working with storage pools5.1.1 Creating storage pools5.1.2 Managed disks in a storage pool5.1.3 Actions on storage pools5.1.4 Child pools5.1.5 Encrypted storage pools5.2 Working with external controllers and MDisks5.2.1 External storage controllers5.2.2 Actions on external storage controllers5.2.3 Working with external MDisks5.2.4 Actions for external MDisks5.3 Working with internal drives and arrays5.3.1 Working with drives5.3.2 RAID and distributed RAID5.3.3 Creating arrays5.3.4 Actions on arrays
6.1 Introduction to volumes6.2 Volume characteristics6.2.1 Volume type6.2.2 Managed mode and image mode6.2.3 VSize6.2.4 Performance6.2.5 Volume copies6.2.6 I/O operations data flow6.2.7 Storage efficiency6.2.8 Encryption6.2.9 Cache mode6.2.10 I/O throttling6.2.11 Volume protection6.2.12 Secure data deletion6.3 Virtual volumes6.4 Volumes in multi-site topologies6.4.1 HyperSwap topology6.4.2 Stretched topology6.5 Operations on volumes6.5.1 Creating volumes6.5.2 Creating custom volumes6.5.3 Creating volumes in multi-site topologies6.5.4 I/O throttling6.5.5 Volume protection6.5.6 Modifying a volume6.5.7 Deleting a volume6.5.8 Mapping a volume to a host6.5.9 Modify I/O Group or Non-disruptive Volume Move (NDVM)6.5.10 Migrating a volume to another storage pool6.6 Volume operations by using the CLI6.6.1 Displaying volume information6.6.2 Creating a volume6.6.3 Creating a thin-provisioned volume6.6.4 Creating a volume in image mode6.6.5 Adding a volume copy6.6.6 Splitting a mirrored volume6.6.7 Modifying a volume6.6.8 Deleting a volume6.6.9 Volume protection6.6.10 Expanding a volume6.6.11 HyperSwap volume modification with CLI6.6.12 Mapping a volume to a host6.6.13 Listing volumes that are mapped to the host6.6.14 Listing hosts that are mapped to the volume6.6.15 Deleting a volume to host mapping6.6.16 Migrating a volume6.6.17 Migrating a fully managed volume to an image mode volume6.6.18 Shrinking a volume6.6.19 Listing volumes that use MDisks6.6.20 Listing MDisks that are used by the volume6.6.21 Listing volumes that are defined in the storage pool6.6.22 Listing storage pools in which a volume has its extents6.6.23 Tracing a volume from a host back to its physical disks
7.1 Host attachment overview7.2 Host objects overview7.3 NVMe over Fibre Channel7.4 N_Port ID Virtualization support7.4.1 NPIV prerequisites7.4.2 Enabling NPIV on a new system installation7.4.3 Enabling NPIV on a system7.5 Hosts operations by using the GUI7.5.1 Creating hosts7.5.2 Host clusters7.5.3 Actions on hosts7.5.4 Actions on host clusters7.5.5 Host management views7.6 Performing hosts operations by using CLI7.6.1 Creating a host by using the CLI7.6.2 Host administration by using the CLI7.6.3 Adding and deleting a host port by using the CLI7.6.4 Host cluster operations7.6.5 Adding a host or host cluster to an ownership group7.7 Host attachment practical examples7.7.1 Pre-requisites7.7.2 Fibre Channel host connectivity and capacity allocation7.7.3 iSCSI host connectivity and capacity allocation7.7.4 NVMe over Fabric host connectivity example
8.1 Storage migration overview8.1.1 Interoperability and compatibility8.1.2 Prerequisites8.2 Storage migration wizard

9.1 IBM Easy Tier9.1.1 Easy Tier concepts9.1.2 Implementing and tuning Easy Tier9.1.3 Monitoring Easy Tier activity9.2 Thin-provisioned volumes9.2.1 Concepts9.2.2 Implementation9.3 Unmap9.3.1 SCSI unmap command9.3.2 Back-end SCSI unmap9.3.3 Host SCSI unmap9.3.4 Offload IO throttle9.4 Data Reduction Pools9.4.1 Introduction to DRP9.4.2 DRP benefits9.4.3 Planning for DRPs9.4.4 Implementing DRP with compression and deduplication9.5 Compression with standard pools9.5.1 Real-time Compression concepts9.5.2 Implementing RtC9.6 Saving estimation for compression and deduplication9.6.1 Evaluate compression savings by using IBM Comprestimator9.6.2 Evaluating compression and deduplication9.7 Overprovisioning and data reduction on external storage
10.1 IBM FlashCopy10.1.1 Business requirements for FlashCopy10.1.2 FlashCopy principles and terminology10.1.3 FlashCopy mapping10.1.4 Consistency groups10.1.5 Crash consistent copy and hosts considerations10.1.6 Grains and bitmap: I/O indirection10.1.7 Interaction with cache10.1.8 Background Copy Rate10.1.9 Incremental FlashCopy10.1.10 Starting FlashCopy mappings and consistency groups10.1.11 Multiple target FlashCopy10.1.12 Reverse FlashCopy10.1.13 FlashCopy and image mode Volumes10.1.14 FlashCopy mapping events10.1.15 Thin-provisioned FlashCopy10.1.16 Serialization of I/O by FlashCopy10.1.17 Event handling10.1.18 Asynchronous notifications10.1.19 Interoperation with Metro Mirror and Global Mirror10.1.20 FlashCopy attributes and limitations10.2 Managing FlashCopy by using the GUI10.2.1 FlashCopy presets10.2.2 FlashCopy window10.2.3 Creating a FlashCopy mapping10.2.4 Single-click snapshot10.2.5 Single-click clone10.2.6 Single-click backup10.2.7 Creating a FlashCopy consistency group10.2.8 Creating FlashCopy mappings in a Consistency Group10.2.9 Showing related Volumes10.2.10 Moving FlashCopy mappings across Consistency Groups10.2.11 Removing FlashCopy mappings from Consistency Groups10.2.12 Modifying a FlashCopy mapping10.2.13 Renaming FlashCopy mappings10.2.14 Deleting FlashCopy mappings10.2.15 Deleting a FlashCopy consistency group10.2.16 Starting FlashCopy mappings10.2.17 Stopping FlashCopy mappings10.2.18 Memory allocation for FlashCopy10.3 Transparent Cloud Tiering10.3.1 Considerations for using Transparent Cloud Tiering10.3.2 Transparent Cloud Tiering as backup solution and data migration10.3.3 Restoring data by using Transparent Cloud Tiering10.3.4 Transparent Cloud Tiering restrictions10.4 Implementing Transparent Cloud Tiering10.4.1 Domain Name System configuration10.4.2 Enabling Transparent Cloud Tiering10.4.3 Creating cloud snapshots10.4.4 Managing cloud snapshots10.4.5 Restoring cloud snapshots10.5 Volume mirroring and migration options10.6 Remote Copy10.6.1 IBM SAN Volume Controller and IBM FlashSystems system layers10.6.2 Multiple IBM Spectrum Virtualize systems replication10.6.3 Importance of write ordering10.6.4 Remote Copy intercluster communication10.6.5 Metro Mirror overview10.6.6 Synchronous Remote Copy10.6.7 Metro Mirror features10.6.8 Metro Mirror attributes10.6.9 Practical use of Metro Mirror10.6.10 Global Mirror overview10.6.11 Asynchronous Remote Copy10.6.12 Global Mirror features10.6.13 Using Global Mirror with change volumes10.6.14 Distribution of work among nodes10.6.15 Background copy performance10.6.16 Thin-provisioned background copy10.6.17 Methods of synchronization10.6.18 Practical use of Global Mirror10.6.19 IBM Spectrum Virtualize HyperSwap topology10.6.20 Consistency Protection for Global Mirror and Metro Mirror10.6.21 Valid combinations of FlashCopy, Metro Mirror, and Global Mirror10.6.22 Remote Copy configuration limits10.6.23 Remote Copy states and events10.7 Remote Copy commands10.7.1 Remote Copy process10.7.2 Listing available system partners10.7.3 Changing the system parameters10.7.4 System partnership10.7.5 Creating a Metro Mirror/Global Mirror consistency group10.7.6 Creating a Metro Mirror/Global Mirror relationship10.7.7 Changing Metro Mirror/Global Mirror relationship10.7.8 Changing Metro Mirror/Global Mirror consistency group10.7.9 Starting Metro Mirror/Global Mirror relationship10.7.10 Stopping Metro Mirror/Global Mirror relationship10.7.11 Starting Metro Mirror/Global Mirror consistency group10.7.12 Stopping Metro Mirror/Global Mirror consistency group10.7.13 Deleting Metro Mirror/Global Mirror relationship10.7.14 Deleting Metro Mirror/Global Mirror consistency group10.7.15 Reversing Metro Mirror/Global Mirror relationship10.7.16 Reversing Metro Mirror/Global Mirror consistency group10.8 Native IP replication10.8.1 Native IP replication technology10.8.2 IP partnership limitations10.8.3 IP Partnership and data compression10.8.4 VLAN support10.8.5 IP partnership and terminology10.8.6 States of IP partnership10.8.7 Remote Copy groups10.8.8 Supported configurations10.9 Managing Remote Copy by using the GUI10.9.1 Creating Fibre Channel partnership10.9.2 Creating Remote Copy relationships10.9.3 Creating a consistency group10.9.4 Renaming Remote Copy relationships10.9.5 Renaming a Remote Copy consistency group10.9.6 Moving standalone Remote Copy relationships to consistency group10.9.7 Removing Remote Copy relationships from consistency group10.9.8 Starting Remote Copy relationships10.9.9 Starting a Remote Copy consistency group10.9.10 Switching a relationship copy direction10.9.11 Switching a consistency group direction10.9.12 Stopping Remote Copy relationships10.9.13 Stopping a consistency group10.9.14 Deleting Remote Copy relationships10.9.15 Deleting a consistency group10.10 Remote Copy memory allocation10.11 Troubleshooting Remote Copy10.11.1 1920 error10.11.2 1720 error
11.1 Ownership groups principles of operations11.2 Implementing ownership groups on a new system11.2.1 Creating an ownership group11.2.2 Assigning users to an ownership group11.2.3 Creating ownership group resources11.2.4 Listing ownership group resources11.2.5 Actions on ownership groups11.3 Migrating objects to ownership groups
12.1 General types of encryption across IBM Spectrum Virtualize12.1.1 Externally virtualized storage12.1.2 Serial-attached SCSI internal storage12.1.3 Non-Volatile Memory Express internal storage12.2 Planning for encryption12.3 Defining encryption of data at-rest12.3.1 Encryption methods12.3.2 Encrypted data12.3.3 Encryption keys12.3.4 Encryption licenses12.4 Activating encryption12.4.1 Obtaining an encryption license12.4.2 Starting the activation process during initial system setup12.4.3 Starting the activation process on a running system12.4.4 Activating the license automatically12.4.5 Manual license activation12.5 Enabling encryption12.5.1 Starting the Enable Encryption wizard12.5.2 Enabling encryption by using USB flash drives12.5.3 Enabling encryption by using key servers12.5.4 Enabling encryption by using both providers12.6 Configuring more providers12.6.1 Adding key servers as a second provider12.6.2 Adding USB flash drives as a second provider12.7 Migrating between providers12.7.1 Changing from USB flash drive provider to encryption key server12.7.2 Changing from encryption key server to USB flash drive provider12.7.3 Migrating between different key server types12.8 Recovering from a provider loss12.9 Using encryption12.9.1 Encrypted pools12.9.2 Encrypted child pools12.9.3 Encrypted arrays12.9.4 Encrypted MDisks12.9.5 Encrypted volumes12.9.6 Restrictions12.10 Rekeying an encryption-enabled system12.10.1 Rekeying by using a key server12.10.2 Rekeying by using USB flash drives12.11 Disabling encryption
13.1 Reliability, availability, and serviceability13.1.1 IBM SAN Volume Controller nodes13.1.2 Power13.2 Shutting down an IBM SAN Volume Controller cluster13.3 Removing or adding a node to or from the system13.4 Configuration backup13.4.1 Backing up by using the CLI13.4.2 Saving the backup by using the GUI13.5 Software update13.5.1 Precautions before the update13.5.2 IBM Spectrum Virtualize upgrade test utility13.5.3 Updating IBM Spectrum Virtualize V8.413.5.4 Updating IBM Spectrum Virtualize with a hot spare node13.5.5 Updating the IBM SAN Volume Controller system manually13.6 Health checker feature13.7 Troubleshooting and fix procedures13.7.1 Managing event log13.7.2 Running a fix procedure13.7.3 Resolving alerts in a timely manner13.7.4 Event log details13.8 Monitoring13.8.1 Call Home function and email notification13.8.2 Disabling and enabling notifications13.8.3 Remote Support Assistance13.8.4 SNMP configuration13.8.5 Syslog notifications13.9 Audit log13.10 Collecting support information by using the GUI, CLI, and USB13.10.1 Collecting information by using the GUI13.10.2 Collecting logs by using the CLI13.10.3 Collecting logs by using USB13.10.4 Uploading files to the Support Center13.11 Service Assistant Tool13.12 IBM Storage Insights Monitoring13.12.1 Capacity Monitoring13.12.2 Performance monitoring13.12.3 Logging Support Tickets by using IBM Storage Insights13.12.4 Managing support tickets by using IBM Storage Insights and uploading logs
IBM SAN Volume Controller performance overviewPerformance monitoring
Commonly used terms
CLI setup
Trademarks

Content preview from Implementing the IBM System Storage SAN Volume Controller with IBM Spectrum Virtualize Version 8.4

Reliability, availability, and serviceability, and monitoring and troubleshooting

Many ways are available to manage, monitor, and troubleshoot IBM Spectrum Virtualize.

This chapter introduces useful, common procedures to maintain IBM Spectrum Virtualize. It includes the following topics:

•13.1, “Reliability, availability, and serviceability” on page 778

•13.2, “Shutting down an IBM SAN Volume Controller cluster” on page 783

•13.3, “Removing or adding a node to or from the system” on page 786

•13.4, “Configuration backup” on page 789

•13.5, “Software ...

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