Some key takeaways from the report include:
· Legacy storage isn’t suited to virtualised environments: Today’s legacy storage architectures are built around LUN or volume-level, which doesn’t allow administrators to manage their virtualized environment at the VM-level.
· I/O blender effect: With virtualisation, each server (VM) no longer writes directly to disk. It writes to the hypervisor, which then writes to the disk, giving multiple and complex I/O streams and lowering performance.
· Over provisioning storage: Administrators generally add more spinning disk to maintain IOPS in the virtual environment. This results in as much as 40-60 per cent over provisioning of storage.
· Understanding the problem:Only 35 per cent of respondents were familiar with the term I/O blender effect, but of those, 67per cent had quantitatively characterised its impact on their virtual application performance.
When it comes to delivering acceptable application performance, virtualised environments require significantly more IOPS than legacy storage systems are able to cost-effectively provide. This is because of the I/O blender effect. The report indicates that of those administrators who understand the problem, a high percentage are taking specific steps to address it.
Kieran Harty, CTO & Co-Founder, Tintri said: “This IDC report demonstrates that the I/O blender effect is a real problem in the virtualised world. Tintri was developed specifically to address this problem by bringing an application-
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Tintri builds smart storage that sees, learns and adapts, enabling IT organisations to focus on virtualised applications and business services instead of managing storage infrastructure.Tintri application-