SAN management

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  • Unified storage systems showdown: NetApp FAS vs. EMC VNX

    We compare EMC's VNX and NetApp's FAS series unified storage systems in terms of data services, autotiering and clustering. Find out what analysts and vendor reps think. 

  • Should you bypass the hypervisor for storage I/O?

    Passing storage I/O through a hypervisor can seem inefficient, so does it make sense to bypass the hypervisor and allow virtual machines to mount data storage directly? 

  • HP upgrades EVA midrange SAN array, launches virtualization bundles

    HP launches long-awaited EVA midrange SAN array upgrade; adds integrated storage-server-networking stacks to take on EMC Vblock; rolls out new Windows-based NAS. 

  • virtual LUN or thin LUN

    A virtual LUN (virtual logical unit number) is a representation of a storage area that is not tied to any physical storage allocation. Virtual LUNs are used in thin provisioning (also known as virtual provisioning) for storage area network (SAN) mana... 

  • SAN booting alternatives for data storage managers

    SAN booting and server virtualization are fueling the trend toward diskless servers. Learn about the move from internal to external storage, as well as other booting alternatives. 

  • logical unit number (LUN)

    A logical unit number (LUN) is a unique identifier used to differentiate separate devices (each of which is a logical unit) as addressed by a SCSI, iSCSI or Fibre Channel (FC) protocol. 

  • LUN masking

    LUN masking is a further constraint added to zoning, subdividing access to the port so that only LUNs authorized to access a specific server can access the corresponding port. 

  • virtual storage area network (VSAN)

    A virtual storage area network (VSAN) is a logical partition in a storage area network (SAN). VSANs allow traffic to be isolated within specific portions of a storage area network. 

  • Coraid adds storage virtualization appliance for Ethernet SAN arrays

    Coraid's latest storage virtualization appliance adds features such as storage pooling, snapshots, mirroring and remote replication to EtherDrive SRX arrays. 

  • Dataram's SAN performance accelerator gets HA capabilities

    Dataram's new XcelaSAN caching device offers improved SAN performance and high-availability (HA) features such as active-active HA and mirrored RAID support