System News for Sun Users - The Blog

Configuring iSCSI LUNs in Solaris, RHEL to Deploy Oracle ASM

The Internet SCSI (iSCSI) protocol allows a client system (initiator) to send SCSI commands to targets on a remote server over an existing IP network infrastructure, thus providing a low cost alternative to a Storage Area Network (SAN) infrastructure. Learn how to configure the volumes in the Sun Open Storage system so they can be exported as iSCSI targets, and then configure those iSCSI LUNs at the database server to be used for Oracle Automatic Storage Management (ASM).

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The Challenges of a SAN Between Servers and Storage

Joerg Moellenkamp does the math to demonstrate that latency does indeed matter when there is SAN between your server and your storage. He pits a direct-connected storage-server configuration that uses a 10 meter long cable against a second configuration that uses a director or a switch and two five meter cables.

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Short News Items of Interest for SysAdmins

• Sun.com: A Sun Java System Web Server 7.0 Reference Deployment
• NFS Boot vs. SAN Boot
• Rainbow Falls and FMA
• Using busstat to Monitor Performance Counters
• Sun Power Calculators: Eco Innovation
• Using Sun QFS File System in a Disaster Recovery Setup
• What to do After Migrating from UFS to ZFS

http://blogs.systemnews.com/

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