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  3. July 2021

Re: Performance issues with File shares

If you want to go low level, you could isolate the SMB session with
wireshark and compare it between a "working" and the i share.
Unless your admin has enabled it, SMB traffic is not encrypted (and it
requires SMB3 for encryption IIRC) so it should be pretty easy to snoop the
connection and see what is different.

Roberto

On Tue, 6 Jul 2021 at 13:52, Rob Berendt <rob@xxxxxxxxx> wrote:

There seems to be a school of thought among some that the passwords should
not match between Windows and IBM i. Perhaps even exacerbated by the
thought that your password should never match between any 2 items. And the
flood of products like password keeper to help you keep track of them all.
Here we have software to keep them in sync between Windows, Notes, and IBM
i.
Beats setting up a guest user profile to support NetServer, with no way to
granulize the security to directories down to the individual. And the
users don't have to be prompted for their password between the client and
the server, after all, do you allow their password to be the same on the
Windows Server as you do their Windows Client? Of course you do.


Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1
Group Dekko
Dept 1600
Mail to: 7310 Innovation Blvd, Suite 104
Ft. Wayne, IN 46818
Ship to: 7310 Innovation Blvd, Dock 9C
Ft. Wayne, IN 46818
http://www.dekko.com


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Christopher Bipes
Sent: Tuesday, July 6, 2021 12:27 PM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx

Subject: RE: Performance issues with File shares

CAUTION: This email originated from outside of the organization. Do not
click links or open attachments unless you recognize the sender and know
the content is safe.


You stated the password do not match any longer. Make your user ID and
password match between the iSeries and Domain and see if that makes the
performance better. When they don't match, there is a whole lot of
security handshaking going on.,

Chris Bipes
Director of Information Services
CrossCheck, Inc.


-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Greg Wilburn
Sent: Tuesday, July 6, 2021 9:02 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: Performance issues with File shares

What has changed?
1. We've reinstalled everything on the PCs... OS, software, etc.
2. We added an additional endpoint protection client (we run 2 now instead
of 1) 3. SMB1 is disabled (this was previously enabled) 4. User passwords
are no longer the same on the IBM i and the Windows Network - previously
they were the same

As for "are they scanned on opening"... YES, every file opened by the PC
is examined by our endpoint protection software... but files were always
scanned on open previously.

The performance on the IBM i shares is ridiculously slow compared to
shares on any other servers. Example: It takes 30 seconds to open a <1K
text file.

Just looking for ideas...

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of
Greg Wilburn
Sent: Friday, July 2, 2021 3:35 PM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: Performance issues with File shares

We recently had to rebuild our network servers and workstations from
scratch (New Windows 10 installs, new server installs, etc.).
If you're wondering why... your first guess is correct.

The IBM i was not touched.

Now that things are back to the new normal, accessing files on the
Netserver shares is painfully slow. Even small text files. Opening Excel
files is ridiculous.
Navigating and traversing the directory structure is fine.

We have added a second endpoint protection software.

I remember many years ago, I had to do something in Windows 7 to speed
things up. My access prior to this reinstall was nearly as fast as a
Windows network share.

Any ideas?

TIA and have a great (and safe) weekend.

Greg
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