Tag Archives: Flash

Heads Up ! – EMC VNX2 – Potential Data Unavailability

I’m back from the wilderness ! Whenever I see an EMC ETA with the words “Potential Data Unavailability”, I give it immediate attention. Data. Is. Everything. This hot off the press item is titled “ETA 489936: VNX2: A firmware issue may cause certain solid state drives to become faulted, which may result in data unavailability if the drives are part… Read more »

CommVault – The need for speed, pt 1

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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 »