We have had some customers that were hit with some random wear and we were able to restore the files from SRM with minimal downtime.
Nothing I have run into as of yet.
About 8 months.
It was deployed prior to my arrival with the company.
We use several solutions. We determine what is best for the customer and present them with the solutions we believe fit their needs best.
Do an analysis of what you need. Weigh the pros and cons of each solution and use what is going to work best for you.