Storage Technology Experts to answer your questions | Page 6
  • Data Guard based replication vs. SAN (EVA5000 & CA) based replication

    Business continuance expert Pierre Dorion answers a reader's question: What are the pros and cons of Data Guard based replication vs. ...

  • NAS security 2

    NAS expert Randy Kerns answers a reader's question: How do I secure a network attached storage (NAS) box from physical attacks as well as network based attacks? I have found that disk encryption is...

  • Degaussing backup media

    Backup/recovery expert W. Curtis Preston discusses how to degauss backup media.

  • Connecting a hard drive to NAS

    Our NAS expert Randy Kerns answers this question, posed by one of our readers: "How would I take an ordinary hard drive and create a network attached storage (NAS) hard drive instead of buying an e...

  • Director vs. switch

    Storage expert Greg Schulz outlines things to consider when choosing switches for a SAN.

  • Reusing backup tapes: Best practices

    Backup expert Curtis Preston offers advice on reusing tape.

  • What is the difference between RPO and RTO (from a back

    The recovery point objective (RPO) and the recovery time objective (RTO) are two very specific parameters that are closely associated with recovery. The RTO is how long you can basically go without...

  • Upgrading high-end arrays

    We are currently using an HDS9960 array and are planning to upgrade early next year to another enterprise array. We're in the process of evaluating solutions from Sun/HDS, IBM and EMC. Are there an...

  • Purchasing new storage

    We are looking at purchasing a new storage system for our financial application, what should we be looking for? The system needs to provide very high level of performance, be up 24x7 and mirror the...

  • SAN certifications for storage pros

    SAN expert Greg Schulz offers advice to a reader who asked: What SAN related certifications should I pursue?

  • SATA plugs on motherboards?

    SAN expert Greg Schulz discusses SATA and ATA compatible disk drives.

  • Using dark fiber to connect sites

    SAN expert Greg Schulz discusses single-mode and multimode fiber optic cabling.

  • Fibre Channel Arbitrated Loop or switched disk?

    Storage expert Greg Schulz offers advice to a reader considering buying high-end storage from two different vendors -- one uses Fibre Channel Arbitrated Loop technology and one uses a switched-disk...

  • Active/active vs. active/passive arrays

    Storage expert Greg Schulz outlines the pros and cons of active/active and active/passive arrays.

  • NICs in NAS systems

    NAS expert Randy Kerns answers the question: "Is it typical, when using a NAS appliance, that a host/server would have 2xNICs installed?"

  • NAS: How does a client access files?

    NAS expert Randy Kerns offers advice to a reader who asked: "How does NAS appear to machines accessing files from it?"

  • Remote backup: What are the alternatives to tape?

    Archiving expert Bill Tolson offers advice to a reader looking for alternatives to shipping tape offsite, including a graphical representation of the remote replication backup process.

  • HBAs: Are dual HBAs worth the investment?

    Storage networking expert Greg Schulz offers advice to a reader debating whether to invest in dual HBAs for their SAN.

  • Performance monitoring on boot from SAN

    Networking expert Greg Schulz offers advice to a reader concerned with I/O rates when booting from a SAN

  • Fiber optics over distance

    Networking expert Greg Schulz offers advice to a reader that asked about using fiber-optic cabling over long distances.