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System hardware and software

Refer to these topics for information about troubleshooting issues related to hardware and software in ThinkAgile CP.

Note
Before replacing hardware, make sure that Support Mode has been enabled in the ThinkAgile CP Cloud Controller.
  • Pulling a drive to test RAID
    If one drive is pulled, the software RAID at this point adds the hot-spare and starts rebuilding the RAID (this will take a few hours).
  • New compute controller does not receive an IP address
    After receiving a new compute controller and plugging it into the enclosure, it does not receive an IP address.
  • Compute or storage controllers do not receive IP when v2 switch reboots
    When a v2 switch loses power and reboots, an internal race condition might prevent the compute or storage controllers from receiving an IP address.
  • Configure 1 Gbps Link Speed in the ThinkAgile CP Cloud Controller
    This section covers the procedure to configure a 1 Gbps link speed in the Cloud Controller.
  • Power down hardware
    In rare cases, you might want to shut down the ThinkAgile CP hardware — for example, to move it to another rack in the datacenter.
  • Forward logs to a remote server
    This section covers the procedure to resolve issues with forwarding logs to a remote server.
  • L1TF mitigation in ThinkAgile CP
    The L1 Terminal Fault is an Intel x86 processor vulnerability that allows unprivileged access to the Level 1 Data Cache under certain conditions and can potentially enable hackers to bypass restrictions and gain access to the memory of running virtual machines (VMs) in a multi-tenant cloud environment. This topic provides information about mitigation modes that are available in ThinkAgile CP for the L1TF vulnerability. It also provides instructions for viewing the mitigation status in the ThinkAgile CP Cloud Controller management portal, as well as changing the mitigation mode via command line, if needed.