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Dell EMC Metro node 7.0.1 Release Notes

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Resolved issues

The following issues are resolved in the Release 7.0, Patches, and Service Pack:

Table 1. Issues fixed in Release 7.0 Service Pack 1 Patch 2Release 7.0 Service Pack 1 Patch 2
Issue ID Functional area Description
VPLEX-41722 Security In patch 2, metro node is adding security fixes for log4j2 CVE-2021-44228 and CVE-2021-45046 vulnerability by upgrading log4j2 to version 2.16.0. For more information, see the Dell Security Advisories(DSAs) available on Solve Online at https://solveonline.emc.com/solve/home, Metro node DSA-2021-308 .
Table 2. Resolved issues in Release 7.0 Service Pack 1Release 7.0 Service Pack 1
Issue ID Functional area Description
VPLEX-19254 CLI If a back-end storage-array LUN is discovered as default LUN0 (DL0), and then a real LUN0 is provisioned with the same LUID, and then changing the default LUN0 (DL0) to a real LUN0 prevents the real LUN0 from being displayed in CLI. In Release 7.0.1, this issue has been fixed, and the new real LUN0 is now properly displayed in the VPlexcli under the relevant storage array's "logical-unit" context.
VPLEX-28907 CLI
The RxPower, TxPower, and Temp SFP fields miss the values for the front-end and back-end HBA ports (IO-00, IO-01, IO-02, IO-03) and WAN COM ports (WC-00, WC-01). In Release 7.0.1, this issue has been fixed.
NOTE: By design, the local com ports (LC-00, LC-01) are copper ports not optical, so the local com ports (LC-00, LC-01) do not report power or temperature levels.
VPLEX-29041 UI When attempting to run, unclaim actions through the HTML5 UI, the overlapping character strings for storage-volume and provision-type hampers the text display. In Release 7.0.1, this issue has been fixed.
VPLEX-30207 UI The width of several modal dialogs, wizards, and property windows has been increased to better accommodate the information they contain.
VPLEX-31899 UI In Release 7.0.1, the issue that prevents the VPlex Python SDK from working on python3.7+ has been fixed.
VPLEX-31964 System configuration In Release 7.0.1, the issue that rarely prevents the web server or CLI session from starting has been fixed.
VPLEX-32314 CLI The port-group 'subnet' subcontext displays the empty values until the 'member-ports' subcontext is listed. The 'subnet' subcontext should always display the correct values. In Release 7.0.1, this issue has been fixed.
VPLEX-32425 UI The width of the HTML5 UI columns is fixed, and the user cannot alter them. In Release 7.0.1, this issue has been fixed.
VPLEX-32906 CLI All 'report' CLI commands have been removed:
  • report aggregate-monitors
  • report capacity-arrays
  • report capacity-cluster
  • report capacity-hosts
  • report create-monitors
  • report poll-monitors
VPLEX-33717 Firmware The director firmware may fail due to an internal deadlock race condition, which can occur when FC logins are established or terminated while periodic internal checks (wedgedPortMonitor) are performed. In Release 7.0.1, this issue has been fixed.
VPLEX-34282 UI In Release 7.0.1, the issue that prevents filtering of resource path attributes with the entire path has been fixed. Now, the filtering is based on resource base name only.
VPLEX-34445 BEPM In the context of a round of ITL health probing I/O, the last available ITL on a degraded IT becomes unavailable and re-available many times. It can cause one or more directors to assert due to improper handling of these departures. In Release 7.0.1, this issue has been fixed.
VPLEX-34695 UI Add remote mirrors wizard only adds the first distributed virtual volume to the chosen consistency group. In Release 7.0.1, this issue has been fixed.
VPLEX-35291 UI The Create consistency group wizard takes a long time while trying to load the virtual volumes. In Release 7.0.1, this issue has been fixed.
VPLEX-35347 UI In HTML5 UI, the Create distributed devices wizard is substantially slower than anticipated. In Release 7.0.1, this issue has been fixed.
VPLEX-35398 UI In Release 7.0.1, the Consistency Group - Add Virtual Volumes wizard has been fixed to display exported virtual volumes correctly in the HTML5 UI.
VPLEX-35399 UI In Release 7.0.1, the issue has been fixed that prevents the display of Consistency Groups with an empty storage-at-clusters property in the HTML5 UI.
VPLEX-35620 UI For 7.x releases, the underscore character is not allowed to be used while registering a host initiator name from the HTML5 UI. In Release 7.0.1, this issue has been fixed. Now, When registering initiator names, the underscore character is now allowed.
VPLEX-35710 CLI In Release 7.0.1, the command show-use-hierarchy correctly indicates the inability to issue remote commands when used on a distributed device during a cluster outage, instead of a confused error message.
VPLEX-36475

Historically, for Asymmetric Logical Unit Access (ALUA) storage-array types, the back-end path management code uses any AAN (non-optimized) paths if all available AAO (optimized) paths are full (default 5 outstanding requests per path).

For PowerStore arrays, if AAO paths are available, then do not use AAN paths. PowerStore does not have dynamic trespassing and automatic load balancing. Some customer reported performance issues when AAN paths are used in addition to AAO paths.

In Release 7.0.1, this issue has been fixed. The PowerStore array is now configured to not use AAN paths until all AAO paths are full.

VPLEX-36715 System configuration

The connection from a laptop to a metro node service port (EC-00) does not work on the first try. Switching the Ethernet adapter of laptop, changing the port speed from auto-negotiate to 1 Gbps, or unplugging/re-plugging the cable is not shown to be reliable. As a workaround, access the iDRAC over the micro USB port (special cable is required), and then configure the metro node system configuration through the iDRAC console interface.

In Release 7.0.1, the issue has been fixed.

NOTE: This fix has not been applied to factory shipped metro_node systems (yet.) After systems are updated to 7.0.1, then the EC-00 will work reliably.
VPLEX-36969 Configuration

Noisy journal log writers can push critical log messages out of the journal, making troubleshooting of historical issues difficult. In Release 7.0.1, the maximum size of the journal has been increased from 500 MB to 4 GB, and an FLLS component log series has been introduced.

VPLEX-37475 UI The following drop-down boxes in the HTML5 UI are now arranged alphabetically rather than arbitrarily:
  1. Virtual-volume-export: Storage View Name drop-down
  2. Add-remote-mirrors (devices): Consistency Group drop-down and Rule Set drop-down
  3. Claim storage array: Select Array Name drop-down
  4. Provision from storage volume: Select Array Name drop-down, and Storage view drop-down
  5. Create distributed devices: Consistency Group drop-down and Rule Set drop-down
  6. Create local virtual volumes: Select Storage Array drop-down
  7. Distributed provision from storage volumes: Select a Detach Rule drop-down, Select Array name drop-down, and Storage view drop-down
  8. Provision from pools in virtual volumes: Detach rule set drop-down, Storage Array drop-down, Policy drop-down, and Storage view drop-down
VPLEX-37544 CLI

If the collect-diagnostics command is required to collect large files (such as large core files), and then the command may have timed out (failed) after 5 minutes. In Release 7.0.1, this issue has been improved, the collect-diagnostics now waits for 30 minutes for the file collection to complete.

VPLEX-37751 CLI When cluster status reports iDRAC alerts under health-indications, then clear the iDRAC alerts from the UI if these alerts are present. Re-run cluster status to see if iDRAC alerts are being reported. If iDRAC alerts are being reported, then the iDRAC alerts can be ignored because it is a CLI reporting issue. If there is parallel execution of cluster status, then health indications are refreshed in parallel, and there are chances of false iDRAC alerts in cluster status command output. In Release 7.0.1, the issue has been fixed.
Table 3. Issues fixed in Release 7.0 Patch 1Release 7.0 Patch 1
Issue ID Functional area Description
VPLEX-32782 UI

In the HTML5 UI, the functionality has been corrected to properly honor filtering, add or remove all items, and add or remove shift+click selecting of filtered items for the following wizards and menus:

  • Add or Remove virtual volume from consistency group
  • Add or Remove virtual volume from storage view
  • Add or Remove ports from storage view
  • Add or Remove initiators from storage view
  • Add or Remove virtual volume from distributed device
  • Create virtual volume from devices wizard
  • Export virtual volume wizard
  • Add local mirror to device wizard
  • Add remote mirror to device wizard
  • Add remote mirror to virtual volume wizard
  • Claim storage-volume wizard from array
  • Create consistency group wizard
  • Create distributed consistency group wizard
  • Create device wizard
  • Create distributed device wizard
  • Create storage view wizard

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