block storage

#CRUSH: Distributing the low-level block allocation problem

I remember when I started to work with some Block Storage Arrays – or SAN storage systems – and how vendors those days were committed to bring savings through a disk consolidation project. A solution that caused some confusion when you realized that you had to pay three times more for no so too much performance and capacity – consolidation was the trend on those days – I remember when those storage vendors offered me copy licenses – that required much more capacity and money of course – to speed a []