在将LDAP添加到nsswitch后、NFSv4.1挂载上的ls命令挂起

• ONTAP 9
• Linux
• NFSv4.1
• LDAP
• 名称服务(nsswitch)

• 共享上的长列表挂起、无法显示共享中文件夹的内容
• 在同一挂载路径上、可以访问另一个文件夹并显示相关信息
• 数据包跟踪显示NFS错误延迟
• EMS logs 显示 secd.unixLookupFailure 多个客户端(包括受影响的客户端)的错误：

<node_name> ERROR         secd.unixLookupFailure: UNIX lookup failure on Vserver (vserver_name) for client with IP address (10.1.1.99). Error: Acquire UNIX credentials procedure failed
**[     2] FAILURE: 'Ldap' configuration not available
  [     2] Entry for user-id: 4460 not found in the current source: LDAP. Ignoring and trying next available source
  [     2] Entry for user-id: 4460 not found in the current source: FILES. Entry for user-id: 4460 not found in any of the available sources
  [     2] Unable to retrieve UNIX username for UID 1010