SAN management

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  • Multipath I/O: Guarantee redundancy during HBA failure (almost!)

    Microsoft's Multipath I/O (MPIO) is designed to mitigate the effects of a HBA failure, by providing an alternate data path between devices. Learn why MPIO doesn't completely eliminate the possibility of problems if an HBA fails and what you can do en... 

  • Storage users see power crunch coming

    Electricity costs are driving EMC and HDS users to nudge their suppliers for heat meters and other diagnostics tools to measure the power consumption of storage arrays. 

  • Capacity planning: Reclaim orphaned storage

    This tip takes a look at how to maximize your storage capacity utilization by finding orphaned data and storage that can in turn be re-allocated for another productive use. 

  • Director vs. switch

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

  • How to improve SAN utilization

    Improve the utilization of your SAN in terms of performance, capacity and availability. These tips can be applied in principal to FC, iSCSI or InfiniBand block-based SANs, as well as NFS or CIFS file-based NAS environments. 

  • Multipath I/O and failover: The differences

    Storage expert Rick Cook discusses the major differences between failover and multipath I/O and clears up common misconceptions about each. 

  • Got insanity? Meet cross-domain correlation engines

    Finding the root of a device failure can lead to many headaches in an enterprise IT infrastructure. Storage analyst Arun Taneja says that cross-domain correlation engines could lead you to that light at the end of your nightmare tunnel. 

  • Storage systems and virtualization - your fate is to disaggregate

    Storage analyst Tony Asaro says that today most storage systems are discrete, individual systems that are islands. Disaggregating the storage controller from the disk enclosures creates storage pools with greater flexibility, scalability and a leap i... 

  • ISCSI network configuration, design and optimization

    It's a must to consider more than just cabling when designing an iSCSI-based storage network. Learn to look at the bigger picture when configuring or optimizing an iSCSI-based storage network. 

  • SAN performance: Five tips in five minutes

    Answers to frequently asked questions about how to improve SAN performance.