RAID
What is Raid RAID stands for Redundant Array of Independent Disks or Redundant Array of Independent Disks. RAID is a storage virtualization technology that combines multiple small physical disks into a single large logical...
Storage Administrator
Fibre vs Fiber in SAN
Fibre vs Fiber Fibre Channel was designed to support fiber optic cabling only. But industry also started using copper cables later to avoid the damage due to heat produced in storage systems. The committee...
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...
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...
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...
Differences between Hitachi VSP G200 G400 G600 G800 G1000
Differences between Hitachi VSP models Specifications G200 G400 G600 G800 G1000 Max Raw internal capacity 1512TB 2880TB 4320TB 8640TB 6912TB Max Raw external capacity 8PB 16PB 16PB 64PB 255PB Max cache size 64GB 128GB...
RAID levels comparison in Hitachi VSP storage systems
RAID levels comparison in Hitachi 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...
How to suppress console messages when typing commands in NetApp 7-mode
Suppress console messages in NetApp 7-mode Perhaps you can do “wrfile /etc/syslog.conf” with the contents “*.info /etc/messages”. Example: rdfile /etc/syslog.conf wrfile /etc/syslog.conf *.info /etc/messages
Hitachi Virtual Storage Platform(VSP) Architecture
Hitachi Virtual Storage Platform Architecture ultimate Guide The Hitachi Virtual Storage Platform (VSP) architecture is a modular based enterprise-level storage system. A fully configured Virtual Storage Platform (VSP) will contain a maximum of 6...
All Brocade SAN switch commands
Brocade SAN switch commands S.No Command Description 1 aaaconfig Configure RADIUS for AAA services 2 ad Specifies all administration domain (AD)-level operations 3 ag Configure the Access Gateway feature 4 agautomapbalance Configure the Access...