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G1000 HITACHI DRIVER

The SVP obtains storage system configuration and status information and sends user-initiated commands to the storage system. To gain these benefits, this storage system supports RAID levels 1, 5 and 6. When your system is configured, the hosts connected to each port are grouped by host group or by target. Each chunk contains logical blocks. In the each RAID pair, data is written in duplicate. For more information about supported operating systems, see the mainframe support matrix on https: It can provide high reliability and usability at a comparatively low cost by virtue of the parity data.

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Hardware architecture

See the following user documents for information and instructions about configuring your storage system for Mainframe operations: The Provisioning Guide for Mainframe Systems provide instructions for converting single volumes LVIs into multiple smaller volumes to improve data access performance. Performance of the random writing is lower than RAID 5 when the number of drives hitacni a bottleneck. Refer to the hitaci documents for information and instructions about configuring your storage system for open-systems operations: In addition to full System Managed Storage SMS compatibility, the storage system provides the following functions and support in a Mainframe environment:.

Each chunk contains logical blocks.

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Data blocks are scattered to multiple disks in the same way as RAID 5 and two parity disks, P and Q, are set in each row. The host modes and host mode options enhance compatibility with supported platforms and environments. The parity chunks and data chunks rotate after each stripe.

For complete information about supported operating systems, visit https: This section provides high-level descriptions of open-systems compatibility, support, and configuration for storage systems. Each of these array groups can be configured as either x or OPEN-x logical devices.

The following two figures illustrate the RAID 1 configurations. Control unit images, logical volume images, and logical units. Parity data is generated from data of multiple blocks and written to disk. Refer to the following documents for information and instructions about configuring your storage system for open-systems operations:. All drives and device emulation types are supported for LDEV striping.

Hitachi G1000

It can hitacbi installed on a PC, laptop, or workstation. The appropriate host mode and host mode options are assigned to each host group. Each chunk contains either eight logical tracks mainframe or logical blocks open. Host modes and host mode options. Advantage This configuration is highly usable and reliable because of the duplicated data. For more information about supported operating systems, see the mainframe support matrix on https: Note RAID 5 contains two configurations: RAID 1 is g000 usable and reliable because of the duplicated data.

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The SVP obtains storage system configuration and status information and sends user-initiated commands to the storage system. The tables following the figures describe each configuration. To gain these benefits, this storage system hitchi RAID levels 1, 5 and 6. The storage system supports the control unit CU emulation type Two disk drives, plus primary and secondary disk drives, compose a RAID pair mirroring pair and the identical data is written to the primary and secondary disk drives.

The following two figures illustrate the RAID 5 configurations. The advantages of LDEV striping are:. The data is written across the four drives or eight drives 1g000 a stripe that has three or seven data chunks and one parity chunk.

Hitachi Virtual Storage Platform G (VSP G) : Lists and datasheets of Eco-Products : Hitachi

Mirror disks duplicated writing. Multiple host groups are supported using LUN security. Improved performance, especially hktachi an individual logical unit, due to an increase in the number of drives that constitute an array group.