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⟦52a143844⟧ Wang Wps File
Length: 3014 (0xbc6)
Types: Wang Wps File
Notes: Spelunked
Names: »~ORPHAN72.08«
Derivation
└─⟦c606dccac⟧ Bits:30005804 8" Wang WCS floppy, CR 0108A
└─ ⟦this⟧ »~ORPHAN72.08«
WangText
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"…06…!…08……86…1 …02… …02… …02…
…02…CPS/SDS/030
…02…RIM/820510…02……02…
STORAGE AND RETRIEVAL
DETAILED DESIGN SPECIFICATION CAMPS
4.2.4 D̲u̲m̲p̲ ̲S̲p̲e̲c̲i̲f̲i̲c̲a̲t̲i̲o̲n̲s̲
This section includes the specification for the dump
sub-package. Dump performs the transfer of the on-line
disk resident messages and transactions to te off-line
disk.
4.2.4.1 F̲u̲n̲c̲t̲i̲o̲n̲a̲l̲ ̲S̲p̲e̲c̲i̲f̲i̲c̲a̲t̲i̲o̲n̲s̲
To perform the dump procedure the following functions
are assigned to this sub-package:
- receive dump request from Supervisor command S.P.
- check mounted volume
- volume mount procedure
- dump procedure
Figure 4.2.4.1-1 presents these functions. Figure 2.2.1.2-1
presents the sequencing of the dump procedure.
Figure 4.2.4.1-1
4.2.4.1.1 R̲e̲c̲e̲i̲v̲e̲ ̲D̲u̲m̲p̲ ̲R̲e̲q̲u̲e̲s̲t̲s̲
Dump is initiated by either MMS or TEP, where after
the supervisor command subpackage initiates the dump
by signalling a dump operation semaphore.he MMS initiation
is carried out as a return of a Get Threshold Warning
command to MMS. TEP initiates the dump by sending a
QEL to SCQ. Contents of QEL or operation specify kind
of dump, namely:
- Perform dump on usual volume until time specified
- Perform dump on new volume "volume-id" until time
specified
By usual is meant volume used during previous dump.
If second kind is specified a new entry is supplied
to the volume table corresponding to the new volume
name.
4.2.4.1.2 C̲h̲e̲c̲k̲M̲o̲u̲n̲t̲e̲d̲ ̲V̲o̲l̲u̲m̲e̲
Before the actual transfer of messages and transactions
and catalogue information the present mounted volume
is checked. For MMS and TEP type 1 dump (usual volume)
the last used volume name is checked against present
mounted volumename. For TEP type 2 (new volume) the
input parameter volume name is validated against present
mounted volume name. Result of validation is either
right volume mounted or wrong volume mounted. For case
1 dump is continued normally, case 2 results i a mount
request sent to report printer queue.
4.2.4.1.3 V̲o̲l̲u̲m̲e̲ ̲M̲o̲u̲n̲t̲ ̲P̲r̲o̲c̲e̲d̲u̲r̲e̲
A volume mount request report is sent to the supervisor's
report printer queue. Contents of report are volume-id
of requested volume and text explaining that the munt
request is related to an off-line dump.
Mount acknowledge can be either mount refused or mount
completed.
Mount refused results in returning a completion code
to report printer telling that dump is completed until
time, DTG. The DTG will be the same as for the last
dump completion reprt.
Mount completed results in test of mounted volume as
described in 4.2.4.1.2.
4.2.4.1.4 D̲u̲m̲p̲ ̲P̲r̲o̲c̲e̲d̲u̲r̲e̲
The dump procedure consists of a loop in which batch
of CIFs are dumped. Each batch is equal to the number
of PRI entries corresponding
