Re: NFS client problem and IO blocksize

From: Trond Myklebust (
Date: Wed Jan 22 2003 - 08:41:43 EST

>>>>> " " == Oliver Tennert <> writes:

> As you can see, the actual server-side s_blksize is 4k, whereas
> the Linux client takes it to be 512 bytes. An strace output
> confirms that a "cat" of a file actually uses 512 byte IO
> chunks.

I'm taking the value from the NFSv3 'wtmult' attribute, which is
described thus in RFC1813:

         The suggested multiple for the size of a WRITE

If the AIX NFS server is returning 512 bytes, then that's what
'statfs' returns.

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