• Subject: Re: Date Last used
  • From: "R. Bruce Hoffman, Jr." <rbruceh@xxxxxxx>
  • Date: Thu, 28 Jan 1999 08:28:46 -0500

eric wrote:

> The limit being what 90%.  Isn't the IBM recommended not to exceed usage 80%?

THE limit is 100%.  There is a threshold value in System Service Tools (STRSST)
that  can be set by the user.  The recommended disk usage is based on
performance, maintaining seeks to < 2/3 of disk.  On systems with large amounts
of DASD (> 50GB) and many small files, I have successfully operated machines 
the threshold set at 97% and 98%.  Note I said successfully operated.  I did not
say efficiently.

The major consequence of exceeding the threshold, especially when it is set to a
low value, is that SNADS stops.  Of course, continuing to add "stuff" to the
system after the threshold is reached has other consequences, ranging from
sluggish systems to power off.

R. Bruce Hoffman, Jr. -- IBM Certified AS/400 Administrator

-- The sum of all human knowledge is a fixed constant.
    It's the population that keeps growing!

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