book

IBM Real-time Compression in IBM SAN Volume Controller and IBM Storwize V7000

by Jon Tate, Christian Burns, Bosmat Tuv-El, Jorge Quintal

May 2018

Intermediate to advanced

140 pages

3h 38m

English

IBM Redbooks

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March 2015, Second Edition
1.1 Current IT challenges1.2 The solution: IBM Real-time Compression1.3 Common use cases1.3.1 General-purpose volumes1.3.2 Databases1.3.3 Virtualized infrastructures1.4 IBM Real-time Compression
2.1 Compression technology history2.2 Data efficiency technologies2.2.1 Thin provisioning technology2.2.2 FlashCopy (thin-provisioned snapshots)2.2.3 IBM Easy Tier2.2.4 Archiving and space management2.2.5 Data deduplication2.3 Data compression technologies
3.1 Overview3.2 IBM Real-time Compression3.2.1 Random Access Compression Engine3.2.2 Location-based compression3.2.3 Temporal compression3.2.4 RACE in the SAN Volume Controller software stack3.2.5 Data write flow3.2.6 Data read flow3.2.7 Compression of existing data3.3 Software and hardware updates that enhance IBM Real-time Compression3.3.1 Software enhancements3.3.2 Hardware enhancements
4.1 Candidate data sets for compression4.1.1 Data types4.2 Requirements4.2.1 Supported hardware configurations4.2.2 Hardware requirements4.2.3 Compressible data4.3 Comprestimator4.3.1 Downloading Comprestimator4.3.2 Installing Comprestimator4.3.3 Installing Comprestimator on Linux or AIX4.3.4 Installing Comprestimator on IBM i through VIOS4.3.5 Installing Comprestimator on ESXi4.3.6 Installing Comprestimator on Windows server4.3.7 Using Comprestimator4.3.8 Available space4.3.9 Licensing4.4 General guidelines4.4.1 Compression ratio recommendations4.4.2 Guidelines for getting a high compression ratio4.4.3 Easy Tier4.4.4 I/O Groups and compressed volumes4.5 Generic volumes that are created from reused extents4.5.1 How reused extents consume system resources4.5.2 How reused extents affect Comprestimator results4.5.3 Avoiding this behavior
5.1 Compression5.2 Software licensing for the SAN Volume Controller and Storwize V70005.2.1 Licensing for the SAN Volume Controller using the GUI5.2.2 Licensing for the SAN Volume Controller using the CLI5.2.3 Licensing for the Storwize V7000 using the GUI5.2.4 Licensing for the Storwize V7000 using the CLI5.3 Configuring compressed volumes using the SAN Volume Controller and Storwize V7000 GUI5.3.1 Creating a compressed volume5.3.2 Creating a compressed volume using Volume Copy5.3.3 Creating a compressed volume mirror5.3.4 Mapping a compressed volume to a host5.4 Configuring compressed volumes using the SAN Volume Controller and Storwize V7000 CLI5.4.1 Creating a compressed volume5.4.2 Creating a compressed volume using addvdiskcopy5.4.3 Mapping a compressed volume to a host5.5 Interaction with other SAN Volume Controller and Storwize V7000 components5.5.1 Copy Services5.5.2 FlashCopy5.5.3 Data migration5.5.4 iSCSI5.5.5 Storage pools5.5.6 Hosts5.5.7 Nodes5.5.8 I/O Groups5.5.9 Clusters5.5.10 Redundant array of independent disks5.5.11 Managed disks5.5.12 Easy Tier5.5.13 Regular or generic volumes5.5.14 Thin-provisioned volumes5.5.15 Mirrored volumes5.5.16 Compressed volumes5.5.17 IBM Tivoli Storage Productivity Center for Replication5.5.18 IBM Storage Management Console for VMware vCenter
6.1 Overview6.2 Understanding compression performance6.2.1 Compression I/O patterns and temporal locality6.2.2 Example of a real application workload6.2.3 Benchmarking compression performance6.3 Application benchmark results6.3.1 Benchmark testing configurations6.3.2 Oracle online transaction benchmark6.3.3 Synthetic workloads6.4 Standard benchmark tools6.5 Sequential read and write I/O6.6 Compression hardware assignments6.7 Monitoring processor usage for compression6.8 File system alignment6.9 Performance guidelines summary

7.1 Understanding capacity7.2 Reporting basics overview7.2.1 Reporting of compression in the GUI7.2.2 Compression reporting using the command-line interface7.3 Reporting of compressed volumes7.4 Reporting of mirrored compressed volumes7.4.1 Volume copy of an existing compressed volume7.4.2 Newly created mirrored compressed volumes7.5 Reporting of sparse compressed volumes7.6 Reporting of freed data7.6.1 Reporting of deleted data7.6.2 Reporting of formatted disks
8.1 Code upgrade8.2 Troubleshooting8.2.1 Virtual Disk Copy goes offline (error code 1865)8.2.2 Informational events8.3 Call Home8.3.1 Collecting support information8.3.2 Further information

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ISBN: 9780738454177Other