Monthly Archives: August 2014

Check it Before you failover Exchange to DR !

1- Verify how the clients, most importantly Outlook, connect to the DAG. Get-MailboxDatabase | Select Name,*rpc* 2- Note the current status of the DAG Get-DatabaseAvailabilityGroup | select Name,*server* 3- Test services health in MB & HC main & DR Test-ServiceHealth … Continue reading

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Adding an Expansion Shelf

This article lists steps on how to issue the add enclosure command when attempting to add a shelf to the Data Domain system volume. If the shelf has yet to be racked and connected, please see the ES20 Expansion Shelf … Continue reading

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File System Cleaning

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Link Aggregation and Ethernet Channels

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Some notes for Tuning

If you experience system performance concerns, for example, you are exceeding your backup window, or if throughput appears to be slower than expected, consider the following: Check the Streams columns of the system show performance command to make sure that … Continue reading

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Reclaiming Space in the Retention Tier

Data Movement Policies: The data movement policies are based on when a file was last modified. You can set policies with dates and times that differ for subsets of data. Files that may be updated for a period of time … Continue reading

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Data Domain Memory Capacity

1. Verify if the Data Domain System has enough memory before adding a shelf. The following command will display the total amount of memory in the Data Domain system. At the command prompt type: system show meminfo -> sysadmin@dd690-101# system … Continue reading

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Storage Pool and Device Class Design Considerations

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AFTD and DD Boost

Ref# 1- From <http://www.idataresolutions.com/index.php?option=com_content&view=article&Itemid=733&id=180:networker-8-x-and-client-direct&gt; 2- From <http://nsrd.info/blog/tag/data-domain/&gt;   NetWorker 8.0 software allows “Client direct” backups to Advanced File Type Devices (AFTDs) or Data Domain (DD) Boost backup devices. Previously, no client backups could be written directly to AFTD devices and … Continue reading

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Data Domain Replication

Data Domain Replication Types# Collection Replication: For whole system mirroring -> Directory Replication: For partial site, single directory backup -> MTree Replication: For partial site, point-in-time backup -> Managed Replication: Used with DD Boost as replication which is controlled via … Continue reading

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