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Note
Memory usage for the DPM instance of the SQL Server service
(Microsoft$DPM$Acct.exe) is expected to be comparatively high. This does not indicate a
problem. The service normally uses a large amount of memory for caching, but it
releases memory when available memory is low.
See Also
How DPM Operations Affect Performance
Managing Performance
DPM and Memory
When the memory in use by all the existing processes exceeds the amount of RAM available, the
operating system will move pages (4-KB pieces) of one or more virtual address spaces to the
computer’s hard disk, freeing that RAM for other uses. In Microsoft Windows systems, these
pages are stored in one or more files, called pagefile.sys, in the root of a partition.
DPM requires a pagefile size that is 0.2 percent the size of all recovery point volumes combined,
in addition to the recommended size (generally, 1.5 times the amount of RAM on the computer).
For example, if the recovery point volumes on a DPM server total 3 TB, you should increase the
pagefile size by 6 GB.
For information about modifying the pagefile size, see "
Change the size of the virtual memory
paging pool" (http://go.microsoft.com/fwlink/?LinkId=95116).
There is a Volume Shadow Copy Service (VSS) non-paged pool limitation on x86 32-bit operating
systems. Therefore, if you are protecting more than 10 TB of data, the DPM server must be
running on a 64-bit operating system.
See Also
Managing Performance
Performance Counters
One method you can use to monitor DPM server performance is Performance in Administrative
Tools. You can configure the monitored data to be saved as a log. You can also configure
Performance to generate alerts. For information about how to create and configure performance
alerts, see Microsoft Knowledge Base article 324752,
How to create and configure performance
alerts in Windows Server 2003, (http://go.microsoft.com/fwlink/?LinkId=47881).
Note
You can use the DPM Management Pack for Microsoft Operations Manager 2005 (MOM)
or System Center Operations Manager 2007 to centrally monitor the state, health, and
performance of multiple DPM servers from an Operations Management server. For
- Abstract 1
- Contents 3
- Managing DPM Servers 9
- In This Section 10
- See Also 10
- Restarting the DPM Server 16
- Renaming the DPM Server 17
- How DPM Displays Times 18
- Managing the Storage Pool 19
- Monitoring DPM Server 22
- Locating Information 23
- Methods for Monitoring DPM 25
- E-Mail Type Subject Line 31
- Workstations 33
- Management Tasks 36
- Exchange 41
- Dismounting Databases 46
- Renaming Storage Groups 47
- Recovering Exchange Data 49
- Recovering Mailboxes 55
- Running SQL 62
- Recovering SQL Server Data 68
- Backups 74
- Windows SharePoint Services 75
- Domains 78
- Running Virtual Server 85
- Renaming Virtual Machines 88
- Moving a Virtual Machine 89
- Moving a Virtual Hard Disk 89
- Managing Performance 93
- Replica Creation 94
- Change Tracking 95
- Synchronization 96
- Consistency Check 96
- Express Full Backup 97
- Backup to Tape 97
- DPM Processes 97
- DPM and Memory 98
- Performance Counters 98
- Performance Object 99
- Indicate a Problem 99
- Possible Causes 99
- Improving Performance 100
- Modifying Workloads 101
- Increasing Capacity 105
- Managing Tape Libraries 108
- Remapping Tape Drives 109
- Removing Tape Libraries 110
- Managing the Tape Catalog 111
- Cleaning Tape Drives 111
- Managing Tapes 112
- How to Identify Tapes 113
- Managing Suspect Tapes 114
- How to Import Tapes 115
- How to View Tape Contents 115
- Rotating Tapes Offsite 116
- How to Copy Tapes 116
- How to Inventory Tapes 117
- Disaster Recovery 118
- System State Backup Logs 122
- Backup of DPM Servers 123
- Recovery 132
- Parameter Description 134
- Recovering DPM Servers 137
- Using DpmSync 139
- Classes Added by DPM 144
- Attributes Added by DPM 144
- Attribute Description 145
- Attribute Value 145
- Alert Types 157
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