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  1.  Home
  2. MIDRANGE-L
  3. November 1998

Re: Magstar tape drive

Wayne
Thanks a million for your solution.  I will let you know how the
implementation goes.
Regards,
Carl
Carl Galgano
EDI Consulting Services, Inc.
http://cgalgano.home.mindspring.com
mailto://cgalgano@ediconsulting.com
(770) 422-2995

-----Original Message-----
From: JacksonLea; A unit of Jason, Incorporated <jacklea@twave.net>
To: MIDRANGE-L@midrange.com <MIDRANGE-L@midrange.com>
Date: Wednesday, November 04, 1998 11:44 AM
Subject: Re: Magstar tape drive


|At 05:48 PM 11/4/98 +1300, you wrote:
|>At 09:43 2/11/98 -0500, you wrote:
|>>
|>
|>I'd be interested to hear what you have done. I have a 3570.. (*IS* that
|>magstar tape drive ?)
|
|Yes, but there are several models of the Magstar 3570 Tape Subsystem. The
|following was done on a Model C01 (Library Model) set to "Random" via the
|control l panel option menu.  I believe it would work also on C02, C11 and
|C12.  But, not Model C00.
|
|
||
|This is what I have done, concocted, developed and stumbled across in
|relation ship to a Magstar tape drive.   Or more specifically managing one
|without buying tape management software.
|
|One of the things I have yet to understand is the relationship of the
|CATEGORY of the tapes in the drive to the function of the tape drive.  I
|have read the manuals but I do not grasp it's purpose and how it would or
|could be used.
|
|Much of the following could be improved upon.  However, it was put together
|on a trial basis and (as usual) there has never been enough time to go back
|and clean up, optimize, etc.  Alligators by themselves do not count.  Only
|alligators that are on fire warrant attention.
|
|There are many things that interact upon this procedure that are unique to
|my operation that I have not included.
|
|This backup procedure is based on a two-week cycle.  There are 14 tapes.
|Each day of the week has two tapes I.D. with the first three characters of
|the day plus a 4th character of # or @.  This makes one week the "pound
|week" and the next week the "at week."  Example: SUN# and SUN@.
|There are 10 carrying cases labeled MON# through FRI# and MON@ through
|FRI@.  Mondays case carries both Sunday and Monday tapes.  Friday's case
|carries both Friday and Saturday tapes.
|Tapes are loaded 3 to 4 days in advance of their use.  The other tapes are
|kept off site.
|Every morning the previous night's tapes are removed and carried off site.
|
|
|
|
|Outline:
|1. Set up the tape drive as a library device as TAPLIB
|2.  Initialize the tapes with the cartridge I.D. and the volume I.D. set to
|the serial number on the bar code label on each tape.
|3. Create  physical file TAPEFILE
|A*  FILE OF THE TAPES USED IN THE BACKUP
|A*----------------------------------------------------------------
|A                                      UNIQUE
|A*----------------------------------------------------------------
|A          R TAPE001                   TEXT('TAPE REGISTERY')
|A*----------------------------------------------------------------
|A            CARTID         6          TEXT('CARTRIDGE I.D.')
|A            VOLID          6          TEXT('TAPE VOLUME I.D.')
|A            DOW            3          TEXT('DAY OF WEEK CYCLE')
|A            CYCLE          1          TEXT('CYCLE WEEK I.D.')
|A            LCYMD          8  0       TEXT('DATE OF LAST SAVE')
|A            SORT           2          TEXT('SORT SEQUENCE')
|A*----------------------------------------------------------------
|A          K CARTID
|
|
|4. Load the information into the file via DFU.
|5. Create command TAPUNLD that runs CL TAPEUNLOAD
|PGM        /* Unload any tape loaded */
|DCL        VAR(&JOB) TYPE(*CHAR) LEN(10) /* Job name */
|DCL        VAR(&USER) TYPE(*CHAR) LEN(10) /* Job user */
|DCL        VAR(&NBR) TYPE(*CHAR) LEN(6) /* Job number */
|DCLF       FILE(*LIBL/TAPES) /* List of Tapes */
|DLTF       FILE(QTEMP/TAPES) /* Delete file */
|MONMSG     MSGID(CPF2105) /* Not there */
|DSPTAPCTG  DEV(TAPLIB) CGY(*ALL) OUTPUT(*OUTFILE) OUTFILE(QTEMP/TAPES)
|READ: RCVF       /* Get a record */
|MONMSG     MSGID(CPF0864) EXEC(GOTO CMDLBL(THEEND)) /* +
|           End of File */
|IF         COND(&RDLOC *EQ 'TAP01     ') THEN(DO)
|             DMPTAP     DEV(TAPLIB) VOL(&RDMID) ENDOPT(*UNLOAD)
|MONMSG     MSGID(CPF6723) EXEC(GOTO CMDLBL(THEEND)) /* +
|                          No file */
|RTVJOBA    JOB(&JOB) USER(&USER) NBR(&NBR) /* Job I.D. */
|DLTSPLF    FILE(QPTAPDMP) JOB(&NBR/&USER/&JOB) +
|                  SPLNBR(*LAST) /* Remove the printout */
|ENDDO
|GOTO       CMDLBL(READ)
|THEEND:     ENDPGM
|
|6. Create a data area (TAPECYCLE) of 1 byte and load it with "#" or "@."
|7. Create an RPG program that runs after midnight Saturday that switches
|the "#' or "@" in the TAPECYCLE data area.
|7. Create a daily save CL and execute it automatically ever night just
|before midnight.
|PGM        /* Daily save */
|DCL        VAR(&XDAY) TYPE(*CHAR) LEN(4)
|DCL        VAR(&DAY) TYPE(*CHAR) LEN(3)
|DCL        VAR(&CYCLEID) TYPE(*CHAR) LEN(1) /* Cycle I.D. */
|DCL        VAR(&TEXT01) TYPE(*CHAR) LEN(30)
|DCL        VAR(&TEXT02) TYPE(*CHAR) LEN(30) +
|               VALUE('Could not be found on T1 drive')
|DCL        VAR(&TEXT03) TYPE(*CHAR) LEN(30) +
|                VALUE('Could not be ejected!         ')
|DCLF       FILE(JLQGPL/TAPEFILE) /* List of Tapes */
|CHGJOB     OUTQ(ISMGROQ) /* My OUTQ */
|WHAT_DAY:   RTVSYSVAL  SYSVAL(QDAYOFWEEK) RTNVAR(&XDAY) /* *DAY */
|CHGVAR     VAR(&DAY) VALUE(%SST(&XDAY 2 3))
|RTVDTAARA  DTAARA(JLQGPL/TAPECYCLE) RTNVAR(&CYCLEID) /* +
|                 Cycle I.D.; # or @ */
|READ:       RCVF       /* Get a record */
|MONMSG     MSGID(CPF0864) EXEC(GOTO CMDLBL(NOTFOUND)) +
|                       /* End of File */
|IF         COND(&DOW *EQ &DAY *AND &CYCLEID *EQ &CYCLE) +
|                THEN(GOTO CMDLBL(FOUND))
|GOTO       CMDLBL(READ)
|FOUND:      TAPUNLD    /* Unload TAPLIB if loaded */
|ADDTAPCTG  DEV(TAPLIB) CTG(&CARTID)
|MONMSG     MSGID(CPF67AB CPF67D2) EXEC(DO)
|CHGVAR     VAR(&TEXT01) VALUE(&CARTID) /* # of tape */
|CALL       PGM(SENDMEMO02) PARM('WAYNEMP   ' &TEXT01 +
|                     &TEXT02)
|RETURN     /* Error Exit */
|ENDDO
|CHKTAP     DEV(TAPLIB) VOL(&VOLID) /* Load tape */
|MONMSG     MSGID(CPF412C) EXEC(DO) /* Not found */
|CHGVAR     VAR(&TEXT01) VALUE(&CARTID) /* # of tape */
|CALL       PGM(SENDMEMO02) PARM('WAYNEMP   ' &TEXT01 +
|                  &TEXT02)
|RETURN     /* Error Exit */
|ENDDO
|INZTAP     DEV(TAPLIB) NEWVOL(&VOLID) VOL(&CARTID) +
|                         CHECK(*NO)
|RMVM       FILE(JLQGPL/TAPESAVEL1) MBR(*ALL)
|SAVLIB     LIB(*ALLUSR) DEV(TAPLIB) VOL(&VOLID) +
|                    ENDOPT(*REWIND) SAVACT(*SYNCLIB) +
|                    OMITOBJ((JLQGPL/TAPESAVE *FILE))
|MONMSG     MSGID(CPF3777) /* Not all *lib saved */
|CALL       PGM(TAPEDATSET) PARM(&CARTID) /* Update date */
|ADDRPYLE   SEQNBR(4011) MSGID(CPA401E) RPY(C) /* Set +
|                 the reply list to (C)ancel if there is a +
|                      tape in the way */
|MONMSG     MSGID(CPF2555) /* Already defined */
|CHGJOB     INQMSGRPY(*SYSRPYL) /* Allow reply list +
|                     entry to be used to reply to CPA401E */
|RMVTAPCTG  DEV(TAPLIB) CTG(&CARTID) STATION(*CNV)
|MONMSG     MSGID(CPF67E4) EXEC(DO)
|CHGVAR     VAR(&TEXT01) VALUE(&CARTID) /* # of tape */
|CALL       PGM(SENDMEMO02) PARM('WAYNEMP   ' &TEXT01 +
|                 &TEXT03)
|ENDDO
|RMVRPYLE   SEQNBR(4011) /* Remove 4011 from reply list */
|MONMSG     MSGID(CPF2556) /* Not there! */
|NOTFOUND:
|SBMJOB     CMD(CALL PGM(JLQGPL/TAPE_ERROR)) +
|               JOB(TPAE_LOG) JOBQ(QS36EVOKE)
|THEEND:     ENDPGM
|
|-**************************
|G. Wayne Calvert
|Information Systems Manager
|JacksonLea
|A unit of Jason Incorporated
|
|APICS CPIM certified
|
|jacklea@jacksonlea.com
|http://www.jacksonlea.com
|
|(800) 439-9304 x 3314
|(828) 464-1376 x 3314
|(828) 464-7094 Fax
|***************************
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