PowerFlex 3.x：Presentation Server 从 MDM 取消链接

Summary: - 随机取消Presentation Server与MDM的链接 - 在版本 3.6.700（PowerFlex 版本 3.5.x 和 3.6.x）中找到

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Symptoms

演示服务器 （mgmt-server） scaleio.log报告它正在取消与 MDM 的链接。

/mgmt-server/logs/scaleio.log:2023-08-27 04:21:42,656 [LiveQueryQueueThreadV2|INFO |com.emc.vxflexos.webui.backend.connection.mdm.MdmLinkService.lambda$tryUnlink$38] Starting unlink from MDM

 

PMDM 事件和 trc 日志报告它无法连接到 LDAP 服务。

PMDM events
2023-08-27 04:21:34.611000:0016332:MDM_CLI_COMMAND_RECEIVED         INFO     Command logout received, User: 'N/A'. [7529811]
2023-08-27 04:21:34.611000:0016333:CLI_COMMAND_FAILED               WARNING  Command logout was not successful. Error code: Invalid session. Please login and try again.
2023-08-27 04:21:34.619000:0016334:MDM_CLI_COMMAND_RECEIVED         INFO     Command login received, User: 'flexro@sio.lab'. [7529812] Login banner read and approved manually. Originating source IP: <IP_REMOVED>
2023-08-27 04:21:42.638000:0016335:CLI_COMMAND_FAILED               WARNING  Command login was not successful. Error code: Could not establish the connection with LDAP service. [7529812]

 

PMDM trc log
2023/08/27 04:21:42.637849 71d00001676f:mosLdap_Bind:00130: After ldap_sasl_bind - rc: -1, msg-id: -1 
2023/08/27 04:21:42.637857 71d00001676f:mosLdap_PrintError:00193: Error in: ldap_sasl_bind, rc: Can't contact LDAP server (-1)
2023/08/27 04:21:42.637860 71d00001676f:mosLdap_PrintError:00197: Additional information: (null)  
2023/08/27 04:21:42.637862 71d00001676f:mosLdap_Bind:00133: Failed to start async operation for username: <USER_REMOVED>
2023/08/27 04:21:42.638047 71d00001676f:mosLdap_SearchUserInDomainGroupsIntr:00581: User "<USER_REMOVED>" was found in 0 groups - search-user: flexro, bind-user: <USER_REMOVED>, rc: LDAP_SESSION_INITIALIZATION_FAIL, time: 8020 ms  
2023/08/27 04:21:42.638117 7f09c58c0db0:ldapAuthMgr_Authenticate:00742: LDAP authentication search for user: <USER_REMOVED> in domain: ldaps://ad.sio.lab didn't find any matches (LDAP_SESSION_INITIALIZATION_FAIL)
2023/08/27 04:21:42.638236 7f09c58c0db0:mosEventLog_PostInternal:00609: New event added. Message: "Command login was not successful. Error code: Could not establish the connection with LDAP service. [7529812]". Additional info: "" Severity: Warning


 

 

演示服务器 UI 将提示链接 PowerFlex MDM。


演示服务器登录 

 

Cause

在这种情况下，终端用户使用 LDAP 身份验证。

Presentation Server 具有从用户登录时算起的 8 小时令牌。8 小时令牌过期后，将进行后续登录尝试。但是，如果此尝试未能与 LDAP 服务建立连接，则可能会导致 Presentation Server 与群集取消链接。

Resolution

通过 Web UI 将演示服务器重新链接到 PowerFlex 群集。

 

Products

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Article Properties
Article Number: 000220682
Article Type: Solution
Last Modified: 25 Jun 2025
Version:  2
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