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The Quick and Dirty Deduplication Analyzer

Bart Sjerps 2017-04-182024-11-29 Oracle, Performance, Various

The best thing about being me… There are so many “me”s. — Agent Smith, The Matrix Reloaded One of our customers reported less than optimal space savings on XtremIO running Oracle. In order to test various scenarios with Oracle I…

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Oracle ASM vs ZFS on VNX

Bart Sjerps 2014-10-13 Oracle, Performance

In my last post on ZFS I shared results of a lab test where ZFS was configured on Solaris x86 and using XtremIO storage. A strange combination maybe but this is what a specific customer asked for. Another customer requested…

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Oracle ASM vs ZFS on XtremIO

Bart Sjerps 2014-08-11 Oracle, Performance

Background In my previous post on ZFS I showed how ZFS causes fragmentation for Oracle database files. At the end I promised (sort of) to also come back on topic around how this affects database performance. In the meantime I…

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ZFS and Database fragmentation

Bart Sjerps 2013-02-26 Oracle, Performance

Yet another customer was asking me for advice on implementing the ZFS file system on EMC storage systems. Recently I did some hands-on testing with ZFS as Oracle database file store so that I could get an opinion on the…

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Oracle snapshots and clones with ZFS

Bart Sjerps 2012-08-29 FAQ, Oracle, Performance

Another Frequently Asked Question: Is there any disadvantage for a customer in using Oracle/SUN ZFS appliances to create database/application snapshots in comparison with EMC’s cloning/snapshot offerings? Oracle marketing is pushing materials where they promote the ZFS storage appliance as the…

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Bart Sjerps

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