[Halld-offline] Fwd: reclaim halld-scratch volume set

[Mark Ito]

Folks,

Sandy Philpott has given us the head's up that the tape volumes under 
/mss/halld/halld-scratch are about to be recycled. That means all files 
will disappear with no backup, i. e., permanent deletion, i. e., lost 
forever. Please see her email message appended to the bottom of this one 
for more details. This is supposed to happen in one week.

Note that we have always told SciComp that these tapes could be recycled 
one day. They were original meant to practice tape access as part of 
debugging our scripts.

Please let me know if this is a problem for you.Here is a listing of the 
top level directories.

 > ls -l /mss/halld/halld-scratch/
total 316
drwxrwxr-x   3 gluex    nobody   4096 Aug 26  2015 backup
drwxrwxrwx   2 nobody   nobody  36864 Jul 29  2012 bggen00
drwxrwxrwx   2 nobody   nobody  77824 Jul 31  2012 bggen01
-r--r--r--   1 gluex    nobody    200 Aug 19  2013 bigfile1
drwxrwxr-x   3 halldata halld-1  4096 Jan 24 10:48 CPP
drwxrwxr-x   6 gxproj2  halld-1  4096 Feb  2  2016 data_challenge
drwxrwxr-x   2 hdops    nobody   4096 Aug 20  2013 hdops
-r--r--r--   1 gluex    nobody    195 Aug 19  2013 hdops.tar
drwxrwxrwx   2 nobody   nobody   4096 Jul 30  2012 hd_root00
drwxrwxrwx   2 nobody   nobody   4096 Aug 14  2012 hd_root01
drwxrwxrwx   2 nobody   nobody  53248 Sep  1  2012 hd_root02
drwxrwxrwx   2 nobody   nobody  40960 Sep 13  2012 hd_root03
drwxrwxr-x   3 marki    halld-1  4096 Aug  8  2016 home
drwxrwxr-x   5 hdops    nobody   4096 Oct 29  2013 letta
drwxrwxr-x   3 gluex    nobody   4096 Apr 29  2014 marki
drwxrwxr-x   6 hdops    nobody   4096 Mar 10  2014 rawdata
drwxr-xr-x   2 jonesrt  halld-1  4096 Mar 23  2016 Run010900
drwxr-xr-x   2 jonesrt  halld-1  4096 Mar 23  2016 Run010901
drwxr-xr-x   2 jonesrt  halld-1  4096 Mar 23  2016 Run010902
drwxr-xr-x   2 jonesrt  halld-1  4096 Mar 23  2016 Run010904
drwxr-xr-x   2 jonesrt  halld-1  4096 Mar 23  2016 Run010905
drwxrwxr-x   3 halldata halld-1  4096 Sep 15  2016 RunPeriod-2016-10
drwxrwxr-x   2 nobody   nobody   4096 Jan  1  1984 test
drwxrwxr-x 129 halldata halld-1 20480 Feb  1 20:55 TRD

   -- Mark

-------- Forwarded Message --------
Subject: 	reclaim halld-scratch volume set
Date: 	Mon, 5 Feb 2018 14:26:18 -0500 (EST)
From: 	Sandy Philpott <philpott at jlab.org>
To: 	Mark Ito <marki at jlab.org>



Hi Mark,

Now that Hall D is fully into production, it's time to reclaim the old 
halld-scratch volume set.  We're getting ready to transition to LTO-8 
tape drives with LTO-M8 media, so we want to squeeze the last bits out 
of the existing LTO-5 and LTO-6 media we have, while steering new 
procurements toward the faster (300MB/sec) and denser (9 TB per 
cartridge) LTO-M8 media.

Eliminating halld-scratch returns 31 tapes and library slots to be made 
available for production data storage (12 LTO-5 and 19 LTO-6 
cartridges), for an additional 18 + 47 = 65 TB writable in the tape library.

This will happen in the coming week, unless you know of a reason 
otherwise...

Thanks,
Sandy

------------------------------------------------------------------------
*From: *"Mark M. Ito" <marki at jlab.org>
*To: *"Chip Watson" <watson at jlab.org>
*Cc: *"Curtis A. Meyer" <cmeyer at cmu.edu>, "Ent Rolf" <ent at jlab.org>, 
"Meyer Curtis A." <curtis.meyer at cmu.edu>, "Sandy Philpott" 
<sandy.philpott at jlab.org>
*Sent: *Tuesday, October 9, 2012 3:06:23 PM
*Subject: *Re: JLab Cluster Usage for GlueX Data Challange

Chip,

Curtis asked me to respond to some of your questions.

...

Also, we will likely want a tape volume set other than "halld-scratch". 
We are now talking about data we may actually want to keep around. 
Recall that we were always planning to recycle the tapes that reside in 
"halld-scratch".
...

   -- Mark

-- 
Mark M. Ito
Jefferson Lab (www.jlab.org)
(757)269-5295


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