Category: Hitachi USP

HBA parameters for connecting to Hitachi VSP

HBA parameters for connecting to Hitachi VSP

The min requirements for configuring the adapters for operation with the Hitachi RAID storage system are I/O timeout value (TOV) The disk I/O timeout value (TOV) is 60s for the Hitachi storage system. Queue...

What is hitachi dynamic provisioning?

What is hitachi dynamic provisioning?

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

HDS definitions of notations

HDS definitions of notations

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

RAID levels comparison in Hiatchi VSP storage systems

RAID levels comparison in Hiatchi VSP storage systems

RAID‐10 RAID‐5 RAID‐6 Description Data Striping +(plus) Mirroring Data Striping with +(plus) distributed parity Data Striping with two distributed parities Disk count 4 (or) 8 4 (or) 8 8 Advantages Highest performance with data...