In June 2010, Dell was operating some 1700 servers in various worldwide locations on SuSE Linux when it decided to migrate to Oracle Linux 5.5, leaving the hardware and application layers unchanged. Dell found sufficient capacity on some existing MegaGrid implementations to allow the applications and databases to be migrated to the grid and the SUSE Linux server powered down and decommissioned. Although Oracle does not support heterogeneous Oracle RAC clusters, Dell experienced no issues during the transition with nodes running SUSE Linux interoperating with nodes running Oracle Linux. Dell expects to complete the migration in June 2012.
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"Troubleshooting Fibre Channel networks can be as much an art as it is a science, but there are some basic best practices you can follow to reduce the guessing and speed resolution. Here are 10 tips to help you get to the bottom of pesky problems ..."
Sooner or later if you are using any type of SAN there will be problems and at the worst possible time. Getting back up quickly is paramount and these 10 tips will enhance "The Fine Art of Fibre Channel Troubleshooting". Just remember there are times when a little luck is required.
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ZFSSA software release 2011.1.1.0 is available, Steve Tunstall blogs. Users will need 2010.3.2.1 or greater to upgrade to 2011.1.1. This major software update contains numerous bug fixes and important firmware upgrades, Tunstall reports, then lists the various new features in the release, among which are:
"Storage connectivity is evolving away from wires and embracing the Internet ... Fibre Channel ... most often used in large data centers for high-transaction workloads, has been on the market for decades ... Internet Small Computer System Interface (iSCSI) - an end-to-end protocol for transporting storage I/O block data over an IP network - has matured ..."
Setting up a SAN or NAS may or may not be the solution for you data center now that iSCSI has come into the picture. Here are "10 Reasons Why 10Gb iSCSI Connectivity Wins Acceptance in Data Centers". One of the big reasons is that iSCSI is open standards-based and you avoid vendor lock in.
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"Storage connectivity is evolving away from wires and embracing the Internet ... Fibre Channel ... most often used in large data centers for high-transaction workloads, has been on the market for decades ... Internet Small Computer System Interface (iSCSI) - an end-to-end protocol for transporting storage I/O block data over an IP network - has matured ..."
Setting up a SAN or NAS may or may not be the solution for you data center now that iSCSI has come into the picture. Here are "10 Reasons Why 10Gb iSCSI Connectivity Wins Acceptance in Data Centers". One of the big reasons is that iSCSI is open standards-based and you avoid vendor lock in.
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