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Responsi Paul's List: Storage Technology
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Ceph
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Jul 01, 11
Ceph is a distributed network storage and file system designed to provide excellent performance, reliability, and scalability.
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Jul 01, 11
Ceph is a distributed network storage and file system designed to provide excellent performance, reliability, and scalability.
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Hadoop
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Jul 01, 11
This post summarizes the ports that Hadoop uses; it’s intended to be a quick reference guide both for users, who struggle with remembering the correct port number, and systems administrators, who need to configure firewalls accordingly.
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Isilon
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Jul 01, 11
The new Isilon S200 Scale-out NAS Platform — designed for extreme I/O and transactional performance — has set two new “World Records” with the SPECsfs2008® benchmark NFS and CIFS performance tests.
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Quantum
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Jun 27, 11
Quantum acquired startup Pancetera Software today, giving it virtual server backup for its DXi data deduplication family right away. In the long run, Pancetera can also add intelligent storage management for virtual environments to Quantum’s StorNext file system.
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Jun 27, 11
Quantum Corp. today introduced its first appliance integrated with the StorNext storage file system for sharing and managing large files across networked storage and tiers.
The StorNext M330 appliance works as a metadata controller that tracks where files are located as well as who created them, manages reads and writes, and deletes files. The appliance works with any type of disk or tape.-
The StorNext M330 appliance works as a metadata controller that tracks where files are located as well as who created them, manages reads and writes, and deletes files. The appliance works with any type of disk or tape.
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Quantum is following the lead of Symantec Corp., which earlier this year started shipping its FileStore software on an appliance.
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Lustre
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Future
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Storage Support
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The primary tool to use in troubleshooting disk I/O problems is
iostat.sar -dprovides useful historical context.vmstatcan provide information about disk saturation. For Solaris 10 systems,dtracecan provide extremely fine-grained information about I/O performance and what is causing any utilization or saturation problems. -
If a disk is more than 60% busy over sustained periods of time, this can indicate overuse of that resource. The
%biostatstatistic provides a reasonable measure for utilization of regular disk resources. (The same statistic can be viewed viaiostat -Din Solaris 10.)
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Jul 02, 11
Btrfs is a new copy on write filesystem for Linux aimed at implementing advanced features while focusing on fault tolerance, repair and easy administration. Initially developed by Oracle, Btrfs is licensed under the GPL and open for contribution from anyone.
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