Storage analyst Greg Schulz shares a list of items to consider and address as part of managing and maintaining a business continuance and disaster recovery plan.
This tip discusses the impact of change control (or lack thereof) on disaster recovery and offers some best practice information.
It's all about the storage area network (SAN). The more you know, the easier it gets. Score yourself on our SAN exam and find out where you stand as a SAN guru.
Storage area networks (SANs) and network attached storage (NAS) systems are very different types of storage systems. SANs deliver high-performance block-based storage to transaction-centric applications. NAS systems provide shared access to file-based applications.
When you think of the kind of applications that absolutely, positively, must not stop, you probably key immediately on those rarified high-performance systems fielded by financial industry giants.
Take a few minutes and test yourself on RAID technology. Do you know which RAID type is the fastest or which one is seen in SATA environments? Challenge your co-workers to a RAID pop quiz showdown, and find out who's the mighty RAIDer in your shop.
Each new generation of drives offers better capacity and performance but is generally using less power -- at spin-up as well as during normal operation.
RAID-5: Striped parity - what is it?
RAID-4: Dedicated parity disk - what is it?
RAID-50 - what is it?