Fibre vs Fiber in SAN
Fibre vs Fiber: Fibre Channel was basically 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...
Symmetrix DMX health check and verification commands
To check reserved devices symdev –sid 547 list –reserved To check symmetrix external locks symcfg –sid 547 list –lockn all To check symmetrix device locks symdev –sid 547 list –lock To check available free...
Zero page reclaimation 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 page. To reclaim zero pages in...
How to create a Dynamic provisioning(DP) pool in Hitachi VSP
To create pools using Storage Navigator: In Storage Systems tree on the left pane, select Pool. The Pool window appears. Click on Create Pools. The Create Pools windows appears. From the Pool Type list,...
Hitachi VSP Introduction
Hitachi Virtual Storage Platform (VSP): The Hitachi Virtual Storage Platform(VSP ) is a high-capacity, high performance, large-scale, enterprise-class SAN storage system. The main advantage of Hitachi Virtual storage platform (VSP) is it’s 3D scaling...
How to expand LDEV capacity in Hitachi VSP
In the Storage Navigator main window, in the Storage Systems tree, select Pool. The pool name appears below Pool. Select the pool associated with the DP-VOL that has the capacity that you want to...
DP pools status in Hitachi VSP
DP pools status in Hitachi VSP Status Explanation SIM code Normal Normal status. None Warning A pool volume in the pool is blocked. If the pool volume is blocked, SIM code 627XXX is reported....
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...
