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Cluster Server > LLT known issues

Linux - Performance degradation when RDMA connection between nodes is down [3877836]
In clusters communicating over RDMA connections, when you reboot cluster nodes, services come online and nodes in the cluster communicate over LLT links.
But sometimes the RDMA connections, between nodes, do not come back online. This affects node performance.  Such cases are typically seen with 8 node clusters, and beyond.
To check the status of RDMA links, run the lltstat -nvvr configured command on each node to check whether the status of TxRDMA and RxRDMA link is "Down."

Workaround: The workaround is to either manually restart the stack on all the nodes or run CPI to restart cluster nodes.
 

Partitioned Directory (PD) defaults in VxFS

The Partitioned Directory feature in VxFS (Veritas File System) is disabled by default, but can be enabled manually.

Impact of Meltdown (CVE-2017-5754) and Spectre (CVE-2017-5753 & CVE-2017-5715) on Veritas InfoScale, Storage Foundation High Availability (SFHA) solutions and Access

https://www.veritas.com/support/en_US/article.100041581

O/S Updates

Support for InfoScale on Red Hat Enterprise Linux (RHEL) 7.3
Consult this article for support of RHEL 7.3
https://www.veritas.com/docs/000116172

Support for InfoScale on Red Hat Enterprise Linux (RHEL 6.8)
Consult this article for support of RHEL 6.8
https://www.veritas.com/docs/000109319

Support for infoScale on Red Hat Enterprise Linux (RHEL 6.9)
Consult this article for support of RHEL 6.9
https://www.veritas.com/docs/000126038

Support for InfoScale on SuSE Linux Enterprise Server (SLES) 12 SP2
Consult this article for support of SLES 12 SP2
https://www.veritas.com/content/support/en_US/article.100033257

Support for AIX 7.2 TL1
InfoScale 7.1 is supported on AIX 7.2 TL1