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LIO ( is rapidly becoming the main open-source iSCSI and multiprotocol target for Linux.



LIO ( provides fabric protocols for iSCSI and FCoE, with current integration of FC HBAs, and planned support for Infiniband (both SRP and iSER). It is being merged with STGT and going upstream into the Linux kernel 2.6.38 (winter 2010 release) as the standard Linux multiprotocol target. LIO has become the Linux iSCSI target of choice for many volume storage appliance vendors, including Netgear,[1] QNAP,[2] Data Robotics, Synology, etc., allowing them to achieve VMware ESX 4.0 and vSphere 4 certifications.

LIO is developed by RisingTide Systems, an IP SAN systems and software company located in the Silicon Valley. RisingTide is complementing LIO with a storage management UI and API. By the end of October 2010, RisingTide will be releasing the RTS Director, a distributed, highly available storage management tool with a unified namespace for entire storage infrastructures.


Key features


Advanced SCSI feature set

Multiprotocol target

Storage media independence

High availability and clustering

CLI / API / library

LIO can be paired with three levels of command line interfaces (CLIs):

Standards compliance

Compatibility and certifications

LIO is in deployments with the following operating systems:

LIO has obtained VMware ESX 4.0 and vSphere 4.0 certifications with Netgear,[1] QNAP,[2] Data Robotics and Synology storage appliances. It also passes the full Microsoft Windows Server 2008 and Windows Server 2008 R2 Failover Cluster compatibility test suite.

See also


  1. a b "LIO-Target iSCSI addon for NV+", Netgear ReadyNAS Community Forum, December, 2009.
  2. a b "What iSCSI implementation is Qnap using?", QNAP NAS Community Forum, December, 2009.

External links

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