- Notes, cautions, and warnings
- Dell Chassis Management Controller for Dell EMC PowerEdge VRTX
- Platforms Affected
- License Requirements
- What is Supported
- What is new
- Fixes
- Important Notes
- Known Issues
- Flex address disabled after racresetcfg of CMC
- RAID-related operations might take longer to report status
- Error occurs while importing CMC configuration file
- Chassis overview health tab does not display alert
- Server components update page gets corrupt
- Controller failover feature does not work
- Active alert for degraded virtual disk is not displayed
- SPERC information is displayed partially on LCD display
- Unable to view chassis logs from remote RACADM
- Static IPv6 IP address can be assigned to iDRAC blades
- Limitations
- PSOC Read Me
- Installation
- Accessing documents from Dell Support site
- Contacting Dell EMC
Dell Chassis Management Controller Version 3.20 for PowerEdge VRTX Release Notes
Important Notes
- It is recommended not to downgrade CMC or Mainboard firmware below the supported versions mentioned in this Release notes, since previous versions of CMC and Mainboard do not support SPERC disable option.
- When the second SPERC is in the disabled mode, if a CMC with firmware version 1.30 or 1.31 is inserted into the chassis, then update the CMC firmware to 1.35 and run the options to disable the PERC again.
- The shared hard disk drives (HDDs) and the PCIe cards are managed by the CMC and are not visible to the operating system in the server modules, until the HDDs and PCIe cards are mapped by using the CMC web interface. For instructions about mapping PCIe cards and managing the Storage subsystem, see the Chassis Management Controller for PowerEdge VRTX User's Guide available at dell.com/cmcmanuals.
- All the server modules must be turned off before updating the firmware for chassis infrastructure and SPERC. CMC firmware can be updated while the servers are turned on.
- Some advanced features require CMC enterprise license. For more information about the CMC licenses, see the Chassis Management Controller for PowerEdge VRTX Version User's Guide available at dell.com/cmcmanuals.
- Before updating the Storage component using the web interface, make sure that the browser’s Cookies are enabled.
- PERC Storage rebuild may take more time when more number of I/O requests are processed, and could also make CMC and the TTY log to be out of sync for a short period.
- In fault-tolerant (Redundant) mode, the controller associated with virtual disks or physical disk drives is the active controller.
- When saving Server Profile under " Server Overview > Setup > Profiles", the list of characters that are not supported for the Profile Name include the characters hash(#), comma(,), and question mark(?).
- You may see an impact in the performance of the Graphical User Interface with this release of CMC. The performance impact varies by configuration, GUI page, and system load.
- Microsoft Windows Server 2012, Windows Server 2008 R2, Windows 7 do not support TLS 1.2 and TLS 1.1. Install update below to enable TLS 1.2 and TLS 1.1 as a default secure protocols in WinHTTP in Windows. For details, see the Microsoft knowledge base article 3140245 at support.microsoft.com.
- Supports LDAP authentication with OPEN-DS. OPEN-DS must have DH key larger than 1024 bits.
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