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ib-opensm-x86 (32-bit version) and ib-opensm-x64 (64-bit version)


This is an InfiniBand Subnet Manager prepared by Raphaël Schitz @ Hypervisor.fr

Note: This package was not yet tested with ESXi 6.0!

Author's notes:

  • The 32-bit version should be prefered over 64-bit for ESXi 5.0 and 5.1
  • VSAN is not supported yet because the IB message timeout is too high on opensm so network isolation will occur during master election.
  • The daemon embedded in the vib will start as many instance as necessary so if you have multiple ports/cards, there will be an opensm process started for it
  • On ESXi 5.0 and 5.1 you can change the MTU but not on 5.5 (For details see [1])
  • SRP is working on Nexenta 3.x (For details see [1])
  • This package is absolutely not supported by Mellanox nor by VMware!
  • If needed, please post a comment on the blog [1]

Vendor (Vendor Code)

Intel (INTL)

Current Version


Acceptance Level


Dependencies and Restrictions


Package Properties

Requires MaintMode Live Install Allowed Live Remove Allowed Stateless Ready Overlay
ib-opensm-x86 No Yes Yes Yes No
ib-opensm-x64 No Yes Yes Yes No

Direct Download links

Additional links

  1. 1.0 1.1 1.2 Infiniband@Home blog post at hypervisor.fr (English translation)