Written by
Colin Barker,
IBM bought XIV a year ago so that it could obtain an innovative approach to grid computing.
The XIV disk grid-based system offers, according to IBM, "easier management, greater performance scalability, self-tuning/healing and thin provisioning". The system is designed to scale up as requirements increase and to reconfigure "on the fly".
In practical terms, you can lose a disk without affecting performance, although this demonstration was done "with crossed fingers".
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