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Conference cookie::smfs

Title:Sequential Media Filesystem for OpenVMS VAX
Moderator:COOKIE::KYLER
Created:Mon Aug 30 1993
Last Modified:Thu May 01 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:66
Total number of notes:198

57.0. "a pool, a pool a kingdom for a pool.." by MUNICH::REIN (How come holes in SWISS CHEESE??) Fri Jan 31 1997 06:39

    Hallo,
    
    I see from the entries, SMFS is rarely used layered product.
    
    Nevertheless, we have a customer who wants to use it, and
    so I want to help him to get it running.
    
    So installed SMFS on my system to get an environment for testing
    an installation.
    
    I have a running SLS environment, tapestart.com several media triplets,
    a lot of volumes in different pools, but that is the problem.
    
    I could make smfs work, that on a copy command I got an opcom request
    to load a volume from a single pool.
    
    After I added some more volumes with a different pool, I got an error
    which makes me feel, tyhat smfs can only handle one tape and one pool.?
    
    $!
    $     MTYPE_1   := TK87K
    $     DENS_1    :=
    $     DRIVES_1  := MATARE$MKA300:
    $     CAPACITY_1:= 10000
    $!
    
    This is the only media triplet, but on the machine there is also a
    tlz06 MATARE$MKA400:
    
    When I create  a second device MXD1 and
    
    storage add volume smdfil/pool=smd_pool/media=tk87k
    
    and then try to copy a file on that device, I get
    
    
    %SMFS-I-LOG_ERROR, unexpected error on filesystem _MXD1: at 31-JAN-1997
    14:20:36
    .74
    -SMFS-I-ROUTINE_NAME, in routine load_scratch, checkpoint 2
    -SMFS-E-ALLOCERR, error allocating scratch volume of media type
    MATARE$MKA400:
    -SLS-E-BADMTYPE, bad media type specified
                                                          
    
    Is it possible, to create more than 1 MX device and
    allocate different tape pools to different devices!?
    
    Customer has a TL820 with 264 volumes, he want to use different pools
    for certain users,
    
    how can this be done?
    
    any help welcome folks,
    
    regards
    
    Volker
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57.1COOKIE::KYLERFri Jan 31 1997 15:1957
    Did you read the MDMS and/or SMFS manuals?
    
    
    >After I added some more volumes with a different pool, I got an error
    >which makes me feel, tyhat smfs can only handle one tape and one pool.?
    
    Untrue.
    
    
    >$!
    >$     MTYPE_1   := TK87K
    >$     DENS_1    :=
    >$     DRIVES_1  := MATARE$MKA300:
    >$     CAPACITY_1:= 10000
    >$!
    >
    >This is the only media triplet, but on the machine there is also a
    >tlz06 MATARE$MKA400:
    
    If this is the only media triplet, then how can you use another drive? 
    You must set up MDMS to know about the other drive.
    
    >When I create  a second device MXD1 and
    >
    >storage add volume smdfil/pool=smd_pool/media=tk87k
    >
    >and then try to copy a file on that device, I get
    >
    >
    >%SMFS-I-LOG_ERROR, unexpected error on filesystem _MXD1: at 31-JAN-1997
    >14:20:36
    >.74
    >-SMFS-I-ROUTINE_NAME, in routine load_scratch, checkpoint 2
    >-SMFS-E-ALLOCERR, error allocating scratch volume of media type
    >MATARE$MKA400:
    >-SLS-E-BADMTYPE, bad media type specified
    
    You haven't shown any information about the SMF device (like the SMF
    INITIALIZE command you used, or the output of SMF SHOW DEVICE /FULL),
    but it certainly appears like the media type specified for the 
    filesystem is "MATARE$MKA400:".  This seems an unlikely name for a
    media type.  Given your MDMS setup, try "TK87K".      
    
    >Is it possible, to create more than 1 MX device and
    >allocate different tape pools to different devices!?
    
    Yes.
    
    >Customer has a TL820 with 264 volumes, he want to use different pools
    >for certain users,
    >
    >how can this be done?
    
    After reading all about it in the fine manual, create a directory for
    each user, and associate that directory with a particular pool with the
    SMF SET FILE /POOL command.
        
57.2be more patient...MUNICH::REINHow come holes in SWISS CHEESE??Mon Feb 03 1997 02:0924
    Hallo,
    
    I know, that a lot of stuff is in the manual, but we have one
    customer who uses SMFS and he has two questions, and I had no training,
    
    So I have to read and work through all the stuff, to give the 
    customer a satisfying answer.
    
    But to do that, I should undertstand, what the customer is doing,
    and how SMFS is really working.
    
    So I hope, by entering questions in notesfiles to get answers
    which fill the holes in my knowledge!  Its part of our "on the job"
    training.
    
    To give the customer a satisfying answer, I have to make a complete
    installation and try do do what he is doing and to understand it.
    
    So, you should be more patient with us poor and untrained field
    technicians!
    
    kind regards
    
    Volker