User guide

Known problems and limitations
EMC Avamar 7.0 Release Notes 49
Microsoft Hyper-V VSS plugin
The following table lists known problems for this release of the Avamar Plug-in for Hyper-V
VSS.
Data Domain integration
The following table lists known problems for this release with Data Domain integration.
50730 FILESTREAM datafiles appear as Rows Data in Avamar Administrator
FILESTREAM datafiles appear with a description of Rows Data on the Restore tab of the
Backup, Restore and Manage window in Avamar Administrator. The description in
Avamar Administrator is different than the Filestream data description that appears in
SQL Server Management Studio.
52299 Restore from a Data Domain system fails after upgrade
If you store backups on a Data Domain system, then you must perform a full backup
after you upgrade the Avamar Plug-in for SQL Server to a newer version. Otherwise,
restore fails when you restore from either a tail-log backup or an incremental backup
that occurs after the upgrade.
55655 Redirected Restore to a Different Instance with Existing Database Fails
A redirected restore of an SQL Database to a different instance on same machine or to
different machine fails to restore the database when the SQL REPLACE option is used.
Table 19 Microsoft SQL Server plug-in known problems (page 2 of 2)
ID Description
Table 20 Microsoft Hyper-V VSS plug-in known problems
ID Description
37177 Conflict between Hyper-V host and guest backup application
If you install backup applications on a Hyper-V virtual machine and you perform
image-level backups with the Hyper-V VSS plug-in, then the two backups may conflict.
To work around this issue, exclude virtual machines with backup applications from
image-level backups.
Table 21 Data Domain integration known problems (page 1 of 2)
ID Description
46433 Original Bytes are displayed as twice the original size
The Original Bytes value appears as twice the original size when you execute the Data
Domain filesys show compression command is executed in the Avamar
namespace on the Data Domain system.
51085 New Bytes % displays 0% until backup is complete
When performing file system backups to a Data Domain system, the New Bytes % field
displays 0% until the backup completes.
51684 New Bytes % incorrect for replicated VMware image backups
When performing replication of VMware image backups that are stored on a Data
Domain system, the New Bytes % is reported incorrectly.