[Info-vax] Sudden problems with slow sftp transfers and slow disk accesses

glen herrmannsfeldt gah at ugcs.caltech.edu
Tue Feb 18 15:05:46 EST 2014


gwilliams at cfa.harvard.edu wrote:
> Cluster of 8 Alpha boxes running V8.3 + patches, recently moved
> from one building to another.  Since the move, we've been experiencing
> odd behaviors: very slow network access (via sftp) and slow disk IO.

You mean slow starting an sftp connection, or slow while it is running?

A favorite, at least in the unix world, reason for slow connection
start is lack of a reverse DNS lookup. 

I don't think that would bother disk I/O, though.

-- glen



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