Ensuring Robust Data Integrity
Purpose-built storage appliances serving enterprise workloads typically use commodity hardware with value-added OS and file system software. The components — hardware and software — of these appliances can and do fail from time to time. For example, the total failure of a controller in a dual- controller system is immediately user-visible, albeit without operational impact on serving data. Other failures, such as firmware errors, are subtle and can cause corruption that may only surface much later.
TintriTM VMstoreTM appliances are purpose-built to leverage cost-effective multi-level cell (MLC) flash solid-state drives (SSD) and high-capacity SATA hard disk drives (HDD) using a proprietary virtual machine (VM)-aware file system. The Tintri OS runs on VMstore appliances and has comprehensive data integrity and reliability features to guard against hardware and software component malfunctions. These data integrity features work in concert to provide optimal performance and system availability.
This white paper describes how the Tintri OS and its underlying file system provide unparalleled data integrity and intelligent performance for serving hundreds of VMs in a single appliance. It also examines Tintri’s proprietary redundant array of independent disks (RAID) implementation for comprehensive data integrity.
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