Data Domain：SRM 发现问题和超时错误
Summary: 本文介绍 SRM 发现 Data Domain 系统期间的超时失败。长轮询周期和 TTL 到期是由于 maxBulkSize 值过大造成的。
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Symptoms
发现问题发生在 Data Domain 系统上。报告超时错误。之前发现了这些相同的 Data Domain 系统，没有出现问题。将超时增加到 1200 仅清除了某些 Dell Data Domain 数据保护专用存储设备的问题。
Data Domain 收集器日志显示以下通用错误：
WARNING -- [2023-02-15 10:59:00 MST] -- PollingUnitPollingGroup::waitAtEndOfPollingCycle(): Polling group 300.EMC-DATA-DOMAIN-BOOST.EMC-DATA-DOMAIN-CIFS.EMC-DATA-DOMAIN-DISK.EMC-DATA-DOMAIN-ENV.EMC-DATA-DOMAIN-FS.GENERIC-INTERFACES.GENERIC-HOST-RESOURCES-PROCESSOR.GENERIC-HOST-RESOURCES-STORAGE.EMC-DATA-DOMAIN-MTREE.EMC-DATA-DOMAIN-NFS.EMC-DATA-DOMAIN-QUOTA.EMC-DATA-DOMAIN-REPLICATION.GENERIC-SYSUPTIME.EMC-DATA-DOMAIN-SYSTEM.EMC-DATA-DOMAIN-VTL is taking too long: Completed in 425081ms. Skipping next polling cycle. 174919ms until next polling, at timestamp: 1676484115000 WARNING -- [2023-02-15 11:01:56 MST] -- PollingUnitTable::closeSession(): Interrupted session on xxx-xxxxxx.xx.xx.org:161 : Time to live has expired.
Cause
默认 maxBulkSize 50 导致发现超时错误。
Resolution
在生成此知识库文章的事件中，减小 maxBulkSize 值清除了发现问题。
将 maxBulkSize 值设置为较小的数字，例如 15。
Article Properties
Article Number: 000210196
Article Type: Solution
Last Modified: 17 Jul 2026
Version: 5
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