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Linux DirectIO
Does anyone know if there is a mount option for Linux clients that
will bypassing NFS caching and force direct IO? Thanks. ~F |
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Linux DirectIO
On 2007-07-24, Faeandar wrote:
Does anyone know if there is a mount option for Linux clients that will bypassing NFS caching and force direct IO? "man 5 nfs" noac Disable all forms of attribute caching entirely. This extracts a significant performance penalty but it allows two different NFS clients to get reasonable results when both clients are actively writing to a common export on the server. noac Disable attribute caching, and force synchronous writes. This extracts a server performance penalty but it allows two different NFS clients to get reasonable good results when both clients are actively writing to common filesystem on the server. The second description is for v4, but maybe "force synchronous writes" still applies to both. Not sure if this is exactly what you're looking for... but it's the closest I'm aware of. -jf |
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