[CentOS] Exporting /dev/shm as NFS share?
John Hodrien
J.H.Hodrien at leeds.ac.ukFri Jun 24 11:38:26 UTC 2011
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On Fri, 24 Jun 2011, Emmanuel Noobadmin wrote: > I'm trying to do some network transfer test using NFS. The problem is > when I try to eliminate the possibility of the hard disks being the > bottleneck. I am unable to export /dev/shm as a NFS share. Initially > there was an error about fsid or wrong filesystem. > > If I use a symbolic such as /home/test -> /dev/shm, on the remote > system, this causes the NFS client to see its own /dev/shm > > If I mount /home/test as a tmpfs on the host and export it, the client > also appear to use its own tmpfs rather than the host. > > Is there anyway to work around this or some other way to test the > network speed without being bottlenecked by the sending side? /dev/shm's how I would do it. Make a file on /dev/shm and the format it, mount it, export it. dd if=/dev/zero of=/dev/shm/export bs=1M count=1000 mke2fs -j /dev/shm/export mount -o loop /dev/shm/export /mnt/foo Then export /mnt/foo That do? jh
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