PowerFlex 3.X 演示服务器停止在 UI 中记录警报

Summary: 演示服务器停止在 UI 中记录警报。

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Symptoms

症状
在这种情况下，演示服务器 （mgmt-server） 安装在 SDS 节点上。

来自主 MDM 的事件显示安装了 mgmt-server 的 SDS 处于维护模式并重新启动。

2023-07-19 23:39:45.351000:0237719:MDM_CLI_CONF_COMMAND_RECEIVED    INFO     Command enter_maintenance_mode received, User: ': user-a'. [3246236] SDS: ID: 7fcf39320000000c;
2023-07-19 23:40:02.906000:0237721:SDS_DECOUPLED                    ERROR    SDS: sds-03 (id: 7fcf39320000000c) decoupled.
2023-07-19 23:58:58.776000:0237726:SDS_RECONNECTED                  INFO     SDS: sds-03 (ID 7fcf39320000000c) reconnected.

/var/log/messages 显示正在重新启动的节点。

Jul 19 23:47:27 sds-03 systemd-shutdownd: Shutting down at Wed 2023-07-19 23:48:27 BST (reboot)...
When the node boots up, the mgmt-server service initiates but fails when attempting to start the Alert Manager service.

来自 mgmt-server 的scaleio.log可能会显示以下错误。

2023-07-19 23:58:39,662 [main|INFO |com.emc.vxflexos.webui.backend.Server.main] Starting PowerFlex MGMT server...
2023-07-19 23:58:44,796 [main|INFO |com.emc.vxflexos.webui.backend.services.ServicesModule.lambda$null$1] Registering service AlertsManagerService to ServiceManager
2023-07-19 23:58:45,804 [AlertsManagerService STARTING|INFO |com.emc.vxflexos.webui.backend.services.alerts.AlertsManagerService.lambda$new$2] Alerts observable got subscribed
2023-07-19 23:58:45,811 [RxSingleScheduler-1|ERROR|com.emc.vxflexos.webui.backend.services.alerts.AlertsManagerService.onError] Error occurred:
java.util.ConcurrentModificationException: null
    at java.util.HashMap.computeIfAbsent(HashMap.java:1135) ~[?:?]
    at com.slimgears.util.autovalue.annotations.PropertyMeta$1.getAnnotation(PropertyMeta.java:130) ~[auto-value-utils-annotations-0.7.46.jar:?]
    at com.slimgears.util.autovalue.annotations.PropertyMeta.hasAnnotation(PropertyMeta.java:76) ~[auto-value-utils-annotations-0.7.46.jar:?]
    at com.slimgears.rxrepo.util.PropertyExpressions.lambda$mandatoryProperties$13(PropertyExpressions.java:267) ~[rxrepo-core-0.7.130.jar:?]

 

影响

UI 中不显示警报。

Cause

节点重新启动后，演示服务器可能不会显示警报。此零星问题似乎与节点启动期间的计时或争用情况有关。

Resolution

要解决此问题，请重新启动 mgmt-server 服务以恢复警报。

systemctl restart mgmt-server.service

 

受影响的版本 

PowerFlex 3.6.3 及更低版本

已修复问题的版本

PowerFlex 3.6.4

Affected Products

PowerFlex appliance connectivity, Ready Node Series

Products

PowerFlex rack, PowerFlex custom node, PowerFlex appliance R650, PowerFlex appliance R6525, PowerFlex appliance R660, PowerFlex appliance R6625, Powerflex appliance R750, PowerFlex appliance R760, PowerFlex appliance R7625, PowerFlex appliance R640 , PowerFlex appliance R740XD, PowerFlex appliance R7525, PowerFlex appliance R840 ...
Article Properties
Article Number: 000223655
Article Type: Solution
Last Modified: 03 Feb 2025
Version:  3
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