Thursday, March 17, 2016

Exadata: Flash Cache Compression on X3 and X4 Storage Servers causing disk drive failures

Check what version of software you have on your Storage Servers immediately due to the bug listed in "(EX28) High risk of data loss on X3 or X4 Exadata storage when flash compression is enabled and running late 2015 or early 2016 software release" MOS article ID 2115005.1 which currently has NO solution!  There is a workaround listed, but that is turning off the Flash Cache Compression which will likely negatively affect the performance of your Exadata application and Oracle gives some great advice about proceeding with caution if you are planning upgrading!

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