ubuysa
The BSOD Doctor
Well again I disagree I'm afraid. No storage media is permanent - it's going to fail whatever you use, and sooner than you think most likely.Agreed on backups, but also avoid keeping critical information on SSD’s.
When choosing your storage media the only consideration should be whether it offers the required performance for the applications using that data. And that absolutely includes critical data - in fact it applies even more to mission critical data because you absolutely want that on the storage media that offers the required application performance.
Worrying about whether and when any storage media will fail shouldn't be an overriding consideration. If you're eschewing SSDs just because you're afraid the SSDs will fail earlier than an HDD then I'd suggest you're not seeing the wood for the trees. The sole purpose of online storage is to hold data that your mission critical applications need in an appropriately fast time. They way you ensure that you never lose data is by journaling transactions if necessary and by backing up on a regular basis.
Backups mean you don't have to worry about when any storage media may fail so that you can select the most appropriate media for your data based only on the needs of the applications.