[Halld-offline] Fwd: Tape Status

[Mark Ito]

 From Bryan, FYI



-------- Forwarded Message --------
Subject: 	Tape Status
Date: 	Fri, 19 Mar 2021 15:19:50 -0400
From: 	Bryan Hess <bhess at jlab.org>
To: 	Mark Ito <marki at jlab.org>, Ole Hansen <ole at jlab.org>, Nathan 
Baltzell <baltzell at jlab.org>, Brad Sawatzky <brads at jlab.org>
CC: 	Andy Kowalski <kowalski at jlab.org>, Graham Heyes <heyes at jlab.org>, 
Jie Chen <chen at jlab.org>



A web page has been developed to track the status of files on tape that 
are at IBM for recovery. It is at

https://scicomptest.jlab.org/scicomp/tapeFile 
<https://scicomptest.jlab.org/scicomp/tapeFile>

This will change over time as we add and remove tapes from the recovery 
queue.

IBM is dedicating additional hardware to tape recovery now that they 
have an effective process. This will increase the recovery rate, but it 
will take some time. We continue to audit tapes, especially those from 
the Oct/Nov/Dec 2020 time window that match problematic drive serial 
numbers.

As a precaution, we continue to send regular drive diagnostics to IBM to 
monitor performance of the tape drives and remove any that show early 
signs of errors. This will continue through the summer as we track 
humidity and test coupons.

Please let me know if you have any questions.

--Bryan


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