Hitachi

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Storage devices out of service maintenance

Storage Infra has recently partnered with Spectra Technologies to offer services in the greater India region. With our combined expertise, and parts distribution networks and strategic partnerships, we are able to service all major...

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What is Meta_resource in Hitachi VSP, USP & HUS?

What is Meta_resource in Hitachi VSP, USP & HUS? The meta_resource is a resource group combined with additional resources (except external volumes) and the existing resources in the storage system before the Resource Partition...

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What is SSID in Hitachi VSP?

What is SSID in Hitachi VSP? Hitachi storage array is configured with one SSID (Storage System ID) for each group of 64 or 256 devices. One of four SSIDs will be for one CU...

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Hitachi USP V/VM host modes

Hitachi USP V/VM host modes Host mode When to select this mode 00 Standard Use for host group if Host operating system is Red Hat Linux server or IRIX . 01 VMware Use this...

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Hitachi VSP family matrix

Hitachi VSP family matrix VSP series is Hitachi’s latest version of SAN storage arrays Hitachi VSP series has 5 models G200 G400 G600 G800 G1000Let us discuss the specifications of each model G200: It...

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Zero page reclamation in Hitachi VSP

Zero page reclamation in Hitachi VSP We can reclaim zero pages in a DP-VOL to free pool capacity. If a page assigned to a DP-VOL contains only zero binary data, we can reclaim the...

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Hitachi Virtual Storage Platform (VSP) Specifications

Hitachi Virtual Storage Platform (VSP) specifications Architecture Hitachi Hierarchical Star Network Maximum internal capacity 2.5PB Maximum internal and external capacity 255PB Maximum number of logical volumes 65,280 Cache memory capacity Minimum 128GB Maximum 1TB...

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What is hitachi dynamic provisioning?

Hitachi Dynamic Provisioning (HDP) Dynamic provisioning in Hitachi virtual storage platform(VSP) works on the concept of thin provisioning. Hitachi Dynamic Provisioning (HDP) was first introduced on the USP V/VM arrays. It provides a mechanism...

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HDS definitions of notations

Hitachi storage definitions of notations Before getting to explore Hitachi storage arrays, first, allow us to get some Hitachi data systems definitions of terms. Array Group (Disk feature) – The term used to describe...