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MLAG on Mellanox switch reports Failed to grow the pool size err -12

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Applies to

  • Mellanox SN2010
  • ONYX 3.8.2008 and lower
  • MLAG enabled

Issue

  • When changing IP addresses, the new address becomes intermittently unavailable
  • Some virtual machines(VMs) are not able to be pinged or reached from devices within same LAN or connect to external network.
  • When these occurs, there may be associated errors in the switch logs (as generated by sysdump) along these lines:

HCI-MLX2 mlagd[4799]: TID 140503404242688: [mlagd.NOTICE]: [MLAG_MAC_SYNC_PEER_MANAGER.NOTICE] Need to mark the MACs as DENY, cnt:0 < record_num:67

HCI-MLX2 mlagd[4799]: TID 140503404242688: [mlagd.NOTICE]: [MLAG_MAC_SYNC_PEER_MANAGER.NOTICE] Failed to grow the pool size, err -12

 

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