Ogden, Aaron A. wrote:

Hello all,
I was reading through Joe Pranevich's "Wonderful World of Linux 2.6" and
I came across this, I thought you might find it interesting. (source:
http://kniggit.net/wwol26.html) The "Network Filesystems" section makes
for interesting reading as well. If I am reading this correctly, the
'unnamed device' limit has been raised from 256 to 4096 in kernel 2.6,
can anyone confirm this?


No. The major count went from 256 -> 4096. The minor count went from 256 to 1048576. The maximum pseudo-block-device limit is still 256 currently.

If this is the case the only barrier left to
remove is the RPC port limitation of ~800 open ports.  If the
connections were multiplexed such that all connections to a given server
used the same port then 800 ports would stretch a lot farther than they
do now...



Yes. This has been identified as an upper limit. :(

But you're right, these two limits are blocking being able to mount large numbers of NFS mounts.


-- Mike Waychison Sun Microsystems, Inc. 1 (650) 352-5299 voice 1 (416) 202-8336 voice mailto: [EMAIL PROTECTED] http://www.sun.com

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NOTICE: The opinions expressed in this email are held by me, and may not represent the views of Sun Microsystems, Inc.
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