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Data Domain
I have been managing Data Domain units for about a year now. Currently, there are 3 running on the network. Initially, some issues came up that made me a little “weary” of them. First was that we...
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Data Domain Hostname / IP Change
The following is information on how to re-ip and change the hostname on a Data Domain appliance. This was done on both a Data Domain 510 and 565. Check to see what host name mappings are in the Data...
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Data Domain NTP Configuration
Below is information on how to setup a Data Domain appliance to work with the Network Time Protocol (NTP) Check the NTP configuration dd# ntp show config NTP is currently enabled. No NTP servers...
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NAS / Data Domain: Resetting Hung Alert
We had a power supply go out on one of our Data Domain 510 appliances about 2 weeks ago. They shipped out a replacement power supply and it was put in place. After the power supply was replaced, the...
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DataDomain/NAS/Filesystems/Linux: Remove Files From A DataDomain’s /ddvar
A few days ago we received alerts for the /ddvar fileystem from one of our Data Domain units. Normally, I would not manually remove any files from this filesystem due to it being mainly used by the...
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Linux/Networking/VMware: Snmpwalk MAC Address Missing 0s
A few days ago I was looking for a quick way to retrieve MAC address information from servers to map ports in a switch cluster. I figured I would share a few gotchas that might not be well known to...
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Storage, Networking, EMC: DataDomain Replication
We have a total of 3 DataDomains currently in production. One at our “Tier 1″ site, “Tier 2″(DR) and one in Europe. All DataDomain appliances have the ability to replicate data among themselves. This...
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EMC DataDomain 600 Series Selection Process
Budgeting process for 2011 has started and we have been looking into what needs to be replaced or upgraded in our infrastructure. We have had two older DataDomain 510′s in service for a few years now,...
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EMC DataDomain Oracle Backup Deduplication Statistics
A real quick post today, as I was reviewing some of our DataDomain statistics. Below shows the deduplication information for an Oracle database file (~16gb) that was backedup via RMAN to our...
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EMC DataDomain 670 Implementation Pictures
DD 670 Front We received our new DataDomain 670 last week and it has definitely had a face lift from the 500 series. First, it is a 2u versus a 3u unit. Also, the 600 series no longer have...
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10gb Ethernet – A Year Later / Buy It Carefully
What I am getting at here is do not underestimate the amount of ports you will be using. We have implemented Cisco UCS with 6120 switches but also installed a pair of Nexus 5010 switches as well. Going...
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