General Storage Topics

Blog entries on general storage related topics

March 2014

Hardware RAID disadvantages and the advantages of FlexRAID

By |March 6th, 2014|

Hardware RAID disadvantages
FlexRAID advantages
Conclusion

Hardware RAID disadvantages

Drawbacks of hardware RAID
Hardware RAID-6 constitutes a significant (and unnecessary) portion of investment to storage system.

Many hardware RAID controllers offer RAID-5 but not RAID-6. However RAID-5 is not suitable for storage systems due to its poor reliability.

Whenever required storage capacity is up to or exceed the combined capacity of 2 HDDs RAID6 is a solution to eliminate downtime in case of HDD failure. With redundancy enough to survive loss of one or two disks RAID6 […]

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February 2014

Storage deployment on VMware ESXi: IOMMU/Vt-d vs Physical RDM vs Virtual RDM vs VMDK

By |February 7th, 2014|

Overview
Here at FlexRAID, we are big proponents of virtualization. In fact, our whole infrastructure is virtualized. Everything from our development environments to our production environments lives on a virtualization platform of some kind.

This also means that we have various storage deployments under these virtualization platforms.
In this article, we will discuss specifically of storage deployment under VMware ESXi and explore some of the options available under that platform.

The biggest tug of war in computing is the one that exists between transparency […]

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