IBM SYSTEM STORAGE DS8800 ARCHITECTURE AND IMPLEMENTATION PDF

IBM System Storage DS Architecture and Implementation. Front Cover. IBM Redbooks, Bertrand Dufrasne. IBM, International Technical Support. Front cover IBM System Storage DS Architecture and Implementation High Density Storage Enclosure 8 Gbps Host Adapters 4-Port Device Adapter. Front cover IBM System Storage DS Architecture and Implementation Learn the DS and DS new and common features Plan, install, and.

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Standard cabling is optimized for performance and allows for highly scalable configurations with large long term growth.

IBM System Storage DS8000 Architecture and Implementation Front cover

They also feature enhanced 8 Gpbs device adapters archihecture host adapters. On the left side is one processor complex CPC. This capability is referred to as simultaneous multi-threading SMT.

Mutual surveillance The SP can monitor the operation of the firmware during the boot process, and it can monitor the operating system for loss of control. Figure DS base frame with covers removed: Adding more drives will not add DA pairs.

The Hypervisor provides the following capabilities: Architecture and Implementation With the introduction of small form factor SFF disk enclosures on DS, certain changes have been made to the PPS to support the disk enclosure power requirements. Figure shows the base rack PDUs. Storage virtualization offered by the DS series allows organizations to allocate system resources more effectively and better control application quality of service.

IBM System Storage DS Architecture and Implementation | IBM Redbooks

Bytes are distributed across the lanes to provide a high throughput Figure RAID 6 allows for additional fault tolerance by using a second independent distributed parity scheme dual parity. Whenever the device adapter connects to a disk, it uses a switched connection to transfer data.

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Performance data and statistics gathering Appendix B. A primary frame contains the following components: All eight paths can operate concurrently and could access all disk drives on the attached fabric.

Again, a smart migration of the data will be performed after suitable spares have become available. DS Model Business Class cabling: Send us your comments about this book or other IBM Redbooks publications in one of the following ways: CUIR provides automatic channel path vary on and vary off actions to minimize manual operator intervention during selected DS service actions.

Initial configuration Chapter 5. With AAL, an array site is actually split into two halves. Temperature monitoring is also performed. Half of this will be located in each processor complex. Architecture and Implementation 2. The enclosure is shown in Figure Expansion Storage enclosures are added in pairs and disks are added in groups of If an additional order of 16 DDMs were purchased, then two new disk enclosures would be added. This feature is a policy based resource scope limiting function that enables the secure use of Copy Services functions by multiple users on a DS series storage subsystem.

They have the same form factor as the traditional disks.

This is discussed further in 4. No client network connection should ever be made to the DS internal Ethernet switches. DS new storage unit categories On the DS and DS, new storage unit categories for disks have been created according to the Easy Tier implementation. RAID 10 implementations are not compatible with the use of nearline drives. Power and cooling components power supplies, batteries, and fans Power miplementation cards: AMP optimizes cache efficiency by incorporating an autonomic, workload-responsive, and self-optimizing prefetching technology.

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In the current implementation of Track Space Efficient volumes, it is not possible arcbitecture expand the physical size of the repository. This feature has been improved after release 6. This feature helps prevent kbm memory overwrites that could cause critical applications to crash.

Discovery, health monitoring, reporting, and configuration operations Without installing additional software, clients have the option to upgrade their licenses of: Automatic reboot of a frozen partition or Hypervisor. When the copy process is complete, each CEC shuts down. Automatic reboot of a frozen partition or Hypervisor.

Each logical volume belongs to a logical subsystem LSS. For normal operation, both of these indicators are illuminated green, if each line cord is supplying correct power to the frame. After failover, the DS now operates as shown in Figure The models have the following capacities: SDD is not available for every supported operating system. DS Model standard cabling: This is achieved by using the redundant design of the DS A new secure SSL connection protocol option is now available for call home support and additional audit logging.

To avoid data loss, mirror your data to a remote DS