After archiving files stored on VNX CIFS shares, when recalling multiple placeholders concurrently or very large items, errors can occur, which may cause the CIFS shares to become unavailable.
1. EMC have a patch that is mandatory
2. Some specific DART settings are required in order for the configuration to be supported, including disabling SMB2
Please contact EMC Support referencing KB article https://support.emc.com/kb/78162
1. Symantec have made some changes resulting in an updated Download.asp binary for Enterprise Vault 9.0 Service Pack 3, that provides a small performance improvement around HTTP connection reuse. In order to implement the enhancement, please refer to the attachment below
2. During the investigation, some 60+ seconds delays occasionally occurred when retrieving data. For further details, please refer to TECH203985 in the Related Articles section below.
This issue has been resolved in the following release:
Enterprise Vault 9.0.4 Cumulative Hotfix 5 Release
Enterprise Vault 9.0.5 - Release Details
Enterprise Vault 10.0.3 Cumulative Hotfix 2 Release
Enterprise Vault 10.0.4 - Release Details
Symantec Enterprise Vault 11.0 0 Release Details
EMC VNX with DART 7.1.x