Hi, my NFS server seems not to utilize the read-ahead feature, my exported dir is located on ext3 fs over sata disk. the sata controller can issue commands up to 1MB, also I modified the read ahead under the sys to 1MB. but when the client do reads in 32KB chunks (rsize), I can see in the server side that all IOs are ~32KB. my kernel version is 2.6.22.7. according to the nfsd code, the NFS server should utilize the read-ahead feature, but what should I do to make it work?
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