Tiered storage manager options the volume shredder

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Chapter 11 / Exercise 3
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Tiered Storage Manager Options The volume shredder feature is required to enable data shredding. o The volume shredding engine is embedded in the storage microcode. o Can be licensed to enable volume shredding at the end of migration tasks or standalone shredding tasks in Hitachi Tiered Storage Manager Hitachi Data Retention Utility can be used to provide data protection for volumes involved in migrations using Tiered Storage Manager. You can migrate a basic volume to a DP pool or a DP/DT volume; however, you should select the Zero-page reclaim as the part of migration process which runs on the migrated volume at the end of the migration process. Tiered Storage Manager features can be expanded using optional Hitachi products for its operations Linkage with Hitachi Tuning Manager enables additional search fields to select volumes (for tiers): Array Group Busy Rate Array Group Max Busy Rate Volume shredder feature Hitachi Data Retention Utility Migrations supported Between internal, external and DP volumes Between DP pool and internal, external or DP volumes
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New Perspectives Microsoft Office 365 & Excel 2019 Comprehensive
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Chapter 11 / Exercise 3
New Perspectives Microsoft Office 365 & Excel 2019 Comprehensive
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Hitachi Storage Virtualization Tiered Storage Manager Components Page 5-7 Tiered Storage Manager Components Main components: o Tiered Storage Manager is a part of Hitachi Command Suites software. It runs as a service on the management server and available as Mobility tab on the Main window of Hitachi Command Suite. o Management client is available in Hitachi Command Suite window as Mobility tab. You can also use TSM CLI to communicate with HTSM server. o Domain control storage system is the storage device which performs the migration. Hitachi Tiered Storage Manager (HTSM) server Component that manages all operations of the product Through Hitachi Device Manager, sends instructions to the domain controller of the storage system Management client Component used to communicate with Tiered Storage Manager software server through GUI or the command line interface (CLI) Domain control storage system Storage system that performs the migrations
Hitachi Storage Virtualization Volumes Used in Tiered Storage Manager Page 5-8 Volumes Used in Tiered Storage Manager When creating a migration plan, even if you specify a target volume with a greater capacity than the source volume, you can now perform migration. If the capacity of a target volume is greater than that of the source volume, HTSM software re-creates the target volume when migration is performed, making the volume the same size as the source volume. Conditions for migration source volume and migration target volumes Emulation types of source and target volumes must be the same Number of blocks of source and target volumes must be the same You can migrate to bigger volumes but the bigger volume will be automatically carved to an equal size volume before migration If volumes are normal volumes: Migration is possible even if the target volume is larger than the source volume Target volume is deleted Volume that has same capacity as source volume is re-created

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