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XFS on RHEL6 for Oracle - solving issue with direct I/O

Submitted by sskorupi on Tue, 09/15/2015 - 14:55

Recently we were refreshing our recovery system infrastructure, by moving automatic recoveries to new servers, with big bunch of disks directly connected to each of them. Everything went fine until we started to run recoveries - they were much slower than before, even though they were running on more powerful hardware. We started investigation and found some misconfigurations, but after correcting them, performance gain was still too small.

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