Tapes for LHCb

1
Tapes for LHCb

• Joël Closier
• 9 March 1999

2
tapes

• script to manage the LHCb tapes
• interface to TMS (tape Management System)
• accessible to any user
• What could you do ?
• Book, free
• scan, modify

3
Type of tapes

• Redwood 10, 25, 50 Gb
• name for each type GROUP-SIZE-institute
• Z525CERN
• Z550MC
• NTP 3590 10 Gb
• DLT 10 Gb

4
Configuration

• Tapes librarian
• Joël Closier
• Agnieszka Jacholkowska (for MonteCarlo)
• Each user can reserve
• 2 redwood of 25 Gb
• 1 redwood of 50 Gb

5
How to use it ?

• Perl script which works under UNIX
• You have to type at the prompt
• tapes
• you answer the questions

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Example (1)
rsplus07 gt tapes Z5 BOOKKEEPING -
TMS Tape managment In order to
quit press -gt q as answer to any question
Device type DDLT RRedwood NNTP-3590 Enter
the device type ltCRgt R D,R,N,help r
Enter Institute or tape category (ltCRgt
z525cern), Ctrl-d for the list
z525cern z525mc z525prod z550cern z550mc z550p
rod Enter Institute or tape category (ltCRgt
z525cern), Ctrl-d for the list
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Example (2)
Label Prefix Y1 1. Change tape
category and/or institute 2. Scan
gives list of tapes 3. Book to book
tapes 4. Free to liberate tapes 5.
Modify 6. Output change name of output
file 7. Exit Please, choose one of the options
above (ltCRgt FREE) 3 Label prefix Y1 !!!
Please wait ... Enter first tape number (ltCRgt
5541) Enter the number of tapes (ltCRgt 1)
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Example (3)
Enter comments for booked tapes. Comment
for tape 1 for test ------- You will BOOK the
following tapes ----------- - - VSN OWNER
Library Status ----------------------------
-------------------------- Y15541 Y1_Z525C
STK_ACS0 F Do you really want to store
modifications into database (y or n)? Y This may
take quite a while !!
Please, be patient... Do you
want to see the result (y/n)? y VSN Owner
Instit Last Us. Last Us LibraryStatus
Comment date
time -----------------------
----------------------------------------- Y155
41 LOVEF Z525CERN 1999/03/03 17/34/08 STK_ACS0
F W R for test Do you want to write on output
file (y/n)? n
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Example (4)
1. Change tape category and/or
institute 2. Scan gives list of
tapes 3. Book to book tapes 4. Free
to liberate tapes 5. Modify 6. Output
change name of output file 7. Exit
Please, choose one of the options above (ltCRgt
BOOK)4 Label prefix Y1 Enter first tape
number 5541 Enter the last number (ltCRgt
5541) ------- You will FREE the following
tapes ----------- - - VSN OWNER
Library Status --------------------------------
---------------------- Y15541 LOVEF
STK_ACS0 F Do you really want to store
modifications into database (y or n)? y
Your request is being processed by TMS
This may take quite a while !!
Please, be patient...
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What next?

• Save DATA from the scratch disks to tape in order
  to re-organize the AFS project space
• How ?
• Stage command (stagewrt, stagealloc, stageput,
  stagein,...)

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LHCb software protection

• Group z5software
• full access to LHCBHOME/software
• members
• binko
• cattaneb
• ijlast
• rado
• ranjard