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SATA boosts RAID 6 use
...arrays where devoting two drives per RAID group to parity adds up to higher disk...a RAID-5 system, one disk per RAID group is used for calculating parity using...two variables with six disks in a RAID group would mean 12 I/Os. However... http://www.computerweekly.com/Articles/2006/10/24/219403/sata-boosts-raid-6-use.htm
SAN overview: Chapter 1 - SAN management
...and it can bring redundancy to the RAID group through mirroring and parity techniques...appropriate RAID level and specify a RAID group size (the number of disks committed...contents. During a rebuild, the RAID group is inaccessible or operates at reduced... http://www.computerweekly.com/Articles/2006/11/28/220216/san-overview-chapter-1-san-management.htm
LUN management at heart of San configuration
...discs are first gathered into a RAID group for larger capacity and redundancy...and then LUNs are carved from that RAID group. LUNs are often referred to...dual parity (DP) group. Proper RAID group configuration will have a profound... http://www.computerweekly.com/Articles/2007/06/08/224628/LUN-management-at-heart-of-San-configuration.htm
Storage analysts: RAID 6 is bringing changes
...performance must be optimized, striping can be added to the RAID group using RAID-0 -- creating configurations known as RAID...to eight 36 GB or 73 GB 15K rpm drives in a basic FC RAID group, but as FC drives have climbed to 146 GB and larger... http://www.computerweekly.com/Articles/2006/08/01/217354/storage-analysts-raid-6-is-bringing-changes.htm
SATA technology advances and expands in the enterprise
...real statistical probability that a second drive in the RAID group might fail resulting in data loss. This concern has...with RAID-6; two additional disks are needed with the RAID group, and there is a performance penalty when calculating... http://www.computerweekly.com/Articles/2006/07/26/217858/sata-technology-advances-and-expands-in-the-enterprise.htm
NAS appliance purchase considerations
...storage capacity in half. RAID 5 requires a disk in every RAID group dedicated to parity data. RAID 6 demands two additional disks in every RAID group for parity data. Consider other forms of NAS data... http://www.computerweekly.com/Articles/2007/08/10/220319/nas-appliance-purchase-considerations.htm
NAS management software specifications
...Software supports multiple hot spare drives within the back-end RAID storage. Hot spares are configured per shelf or by RAID group as desired and rebuilt into the RAID groups on failure, with drive rebuilds handled in hardware through the RAID controllers... http://www.computerweekly.com/Articles/2006/12/11/220527/NAS-management-software-specifications.htm
Is RAID in general an obsolete technology today?
...as a new and emerging technology. We continue to see enhancements with RAID to make it even more transparent, change RAID group sizes and levels on the fly, and move data between RAID schemes. We also see the appearance of dual-parity RAID... http://www.computerweekly.com/Articles/2007/05/08/223746/is-raid-in-general-an-obsolete-technology-today.htm
Capacity planning software specifications
...Reports can be scheduled and automatically delivered. Key reports for storage and capacity planning include: capacity, RAID group configuration and usage, LUN configuration and mapping, and performance statistics for the array, controller, LUN... http://www.computerweekly.com/Articles/2007/04/11/223018/Capacity-planning-software-specifications.htm
Advanced storage area networks overview
...minimum of downtime. For example, RAID arrays typically required downtime to add disks or to change the RAID group size, and the entire RAID group would have to be rebuilt when changing RAID levels (e.g., migrating from RAID 5 to RAID 6). Today... http://www.computerweekly.com/Articles/2007/10/25/218162/advanced-storage-area-networks-overview.htm
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iSCSI Redundant Controller addresses cloud computing demands.
...active configuration - Cache mirroring through high bandwidth channels - Hardware iSCSI offload - Flexible RAID group (RG) ownership management - Management port seamless take-over - Online FW upgrade, hot pluggable controller... http://news.thomasnet.com/fullstory/567177
Wiebetech hard drive non-enclosure
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Qsan 10GbE iSCSI High Availability Storage Solutions for Cloud Computing
ExactTarget Selects 3PAR Utility Storage for Mission-Critical Saas
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ATTO ExpressSAS RAID Adapter v2.0 Offers Performance Up to 5X Faster Than the Competition
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Qsan 10GbE iSCSI High Availability Storage Solutions for Cloud Computing
...Dual-active configuration - Cache mirroring through high bandwidth channels - Hardware iSCSI offload - Flexible RAID group (RG) ownership management - Management port seamless take-over - Online FW upgrade, hot pluggable controller... http://www.prnewswire.com/news-releases/qsan-10gbe-iscsi-high-availability-storage-solutions-for-cloud-computing-63837482.html
Fujitsu Computer Systems ETERNUS 8000 Features
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Hitachi Universal Storage Platform V and Universal Storage Platform VM: Cost Effective Tiered Storage Options
IBM Redbooks | IBM System Storage N series Best Practice Guidelines for Oracle
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White paper: Microsoft Exchange Solution Reviewed Progamm
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