Category Archives: Flash

CommVault – Upgrade DDB to Transactional Mode

The deduplication databases (DDB) are arguably the most important component in an efficient and fast CommVault environment. If you’ve ever had a Media Agent fail unexpectedly before the DDB’s were able to gracefully shutdown, you’d be well aware the the restore and rebuild times can be very long. In Version 11, there have been improvements made to the DDB architecture,… Read more »

EMC XtremIO PowerShell support – Finally!

EMC have released XIOS version 4.1.10-33 and XMS version 4.2 recently, and although they look like minor point releases, there are some long awaited improvements that I certainly have been pleased with. The first one is a PowerShell support. Readers of this blog will now I’m a big PowerShell guy. I use it for automation, workflows, provisioning…..and loads more. Download… Read more »

CommVault – The need for speed, pt 1

      No Comments on CommVault – The need for speed, pt 1

Speed and performance is an important capability of a Data Protection solution. Most people logically attribute this to being able to finish all tasks in a defined “window“. I’ve used CommVault for a long time and it’s one of my all time fav’s. It truly does “what it says on the box”.  I’ve also been successful in tuning it effectively… Read more »

Synology DSM 5.2 – Replacing a failed disk in SSD Cache

Not long ago I installed some SSD cache in a Synology DS1815+. It was a cinch. To my surprise, less than 1 week into it’s life, one of the mirrored Samsung 850 Pro drives failed. Fortunately this unit was not in production, but it would not have mattered as the cache remains online with a single failure in a RAID 1… Read more »