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Free to cheap(ish) shared storage Hi Guys, Sorry it's taken me a whole to post, enjoyed the user group, just wish there had been more time to chat to people at the break/end - maybe next time! My email address is in my profile I'm always happy to offer advice and share experiences if anyone wants to contact me. In the mean time here's a quick bit on some free, cheap, and not-so-cheap-but-still-not-expensive SAN options. Free: iSCSI Enterprise Target. Make sure you use version 0.4.15 or newer, it has VMware specific fixes relating to reserve/release, if you use an earlier version you will need to apply a 3rd party patch to your ESX host. You can find a guide on setting up IET here, it talks about doing it in a workstation 6 VM, but the proceedure is pretty much identical for a physical server. Cheap(ish): I use SANmelody as the storage for a production machine and have been very happy with it so far. Cheers,
Cloud Computing vs. Virtualization EmailShareEmailShare Like the article? Cloud computing and Virtualization are both technologies that were developed to maximize the use of computing resources while reducing the cost of those resources. They are also mentioned frequently when discussing high availability and redundancy. While it is not uncommon to hear people discuss them interchangeably; they are very different approaches to solving the problem of maximizing the use of available resources. They differ in many ways and that also leads to some important considerations when selecting between the two. Virtualization: More Servers on the Same Hardware It used to be that if you needed more computing power for an application, you had to purchase additional hardware. Enter virtualization. Most virtualization systems allow the virtual servers to be easily moved from one physical host to another. Cloud Computing: Measured Resources, Pay for What You Use Cloud computing grew out of the concept of utility computing.
oVirt iSCSI Enterprise Target Cloutage - Tracking Cloud Incidents, Security, and Outages Apache CloudStack: Open Source Cloud Computing Data Storage Software V6 (DSS V6) The Open-E Data Storage Software V6 (DSS V6) is a unified file and block storage management operating system (OS) that provides Network Attached Storage (NAS), iSCSI, InfiniBand and Fibre Channel Storage Area Network (SAN) functionality. This product contains a one year free of charge BASIC Support. Open-E DSS V6 provides superior performance, security, and scalability at a fraction of the cost of alternative storage offerings. Advanced features of Open-E DSS V6 include Data and Volume Replication, Volume Snapshot, Automatic Failover for iSCSI Volumes, WORM and NDMP. Open-E DSS V6 includes NAS and iSCSI functionality and advanced features such as: Minimum Hardware Requirements: x86 - compatible PC2 GByte RAM (4 GByte RAM is recommended)CPU (1 GHz or faster are recommended)HDD (SATA, SAS, SCSI, ATA) / RAID / Fibre Channel / iSCSI StorageNetwork Interface Card (multi-cards 1Gb/s recommended for bonding)
Storage Optimization Techniques: Review the Benefits of Thin Provisioning Introduction For several years Wikibon has been studying the benefits of virtualization and thin provisioning. Our research spans dozens of detailed customer interviews and studies of many hundreds of customers over several thousand storage volumes. Our objectives in conducting efficiency analyses are to identify not only the hardware impacts on issues related to utilization and energy consumption but more importantly the hard-to-quantify green software aspects of technologies. The Wikibon Energy Lab process defines and validates various testing procedures to determine, for example, energy consumed by specific products in various configurations. Storage Systems 101 Typically, storage arrays consist of an array controller, which controls the major functions in the system, and the spinning disks in the array. Imagine further the floor is populated with lots of open space and a large 15’ plank comes to the builder to be laid out. Enter Storage Virtualization and Thin Provisioning
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