Further minor improvements to CHEP_2016_paper_CTA.tex

doc/CHEP2016/CHEP_2016_paper_CTA.tex

@@ -189,6 +189,8 @@ The following steps describe how a file is retrieved from tape.
   system for more work and determines a tape needs to be mounted for reading.
   \item The tape server sends a request to the tape library to mount the tape.
   \item The tape is mounted into the tape drive.
+  \item The tape server queries the CTA metadata system for the files to be read
+  from the tape.
   \item The tape server starts transferring the file from tape to EOS disk.
   \item On the close of the disk file, EOS updates its namespace to reflect the
   fact that there is now a copy of the file back on EOS disk.
@@ -264,10 +266,10 @@ TO BE DONE
 
 Figure \ref{current} gives a very high level view of how experiments transfer
 files to and from tape today using CASTOR.  CASTOR and EOS are used by the
-experiments as separate Grid storage elements.  Experiments store the files
-they work on and modify into EOS and they store the files they need archived to
-tape into CASTOR.  Files can also be transferred directly between EOS and
-CASTOR without having to go via an experiment.
+experiments as separate Grid storage elements.  Experiments use EOS to store
+the files they actively work on and modify.  Experiments use CASTOR to archive
+files to tape.  Files can also be transferred directly between EOS and CASTOR
+without having to go via an experiment.
 
 \begin{figure}[h]
 \centering
@@ -307,14 +309,14 @@ tapes as they are migrated from CASTOR to CTA.
 The milestones for the CTA project are as follows.  In the second quarter of
 2017 an internal release of CTA will be made that does not have the ability to
 repack tape media.  This release is intended for redundant use cases within the
-IT Storage group such as additional backups of filer data (AFS/NFS) and
-additional copies of data from the Large Electron Position collider (LEP).  In
-the second quarter of 2018 the first production release of CTA will be made.
-This release will have the ability to repack tape media and is intended to
-migrate small virtual organizations such as non-LHC experiments from CASTOR to
-EOS and CTA.  Finally in the fourth quarter of 2018, the second production
-release of CTA will be made.  This release will be used to migrate large virtual
-organizations such as LHC experiments from CASTOR to EOS and CTA.
+IT-ST  group such as additional backups of filer data (AFS/NFS) and additional
+copies of data from the Large Electron Position collider (LEP).  In the second
+quarter of 2018 the first production release of CTA will be made.  This release
+will have the ability to repack tape media and is intended to migrate small
+virtual organizations such as non-LHC experiments from CASTOR to EOS and CTA.
+Finally in the fourth quarter of 2018, the second production release of CTA will
+be made.  This release will be used to migrate large virtual organizations such
+as LHC experiments from CASTOR to EOS and CTA.
 
 \section{Conclusion} \label{conclusion}