>STATUS [ Silhouette Reference Manual ] MPE/iX 5.0 Documentation
Silhouette Reference Manual
>STATUS
The >STATUS command displays information about the current status of the
specified configuration file.
SYNTAX
>STATUS [configfile]
PARAMETERS
configfile The name of the configuration file about which a >STATUS report
will be generated.
DISCUSSION
The >STATUS command shows the logfile record numbers and the log record
timestamp of the last record processed on both systems. You can use this
information to determine if the secondary system is lagging behind the
primary system. Log record timestamps for multiple record transactions
are not reported until all records for the transaction have been received
on the secondary.
The difference between the current number of log records in the primary
logfile and the number of the last log record transmitted is contained in
the outstanding= parameter. The greatest number of outstanding records
since Silhouette was last started is contained in the max ever=
parameter. If the primary system falls behind in its transmissions and
the high water mark is exceeded, (or if the MAXRECS parameter in the
configuration file is set equal to ALWAYS), an asterisk will be printed
beside the entry for outstanding records on the primary side of the
STATUS display. This asterisk indicates a tape request has been sent to
the System Console.
There are several different FLAG messages which might appear on the
SECONDARY (righthand) part of the STATUS report. They are listed below
along with a brief explanation of each.
Recovering Tables The FLAG Recovering Tables may appear during restart. It
indicates that the Recovery Process (RP) is recovering its
recovery tables from the data in the logfile or that it is
actively checking the BEFORE check point record. This FLAG is
incorrect if the current STATUS display indicates no RP is present
(this would appear between the brackets on the bottom of the right
side). This means the RP could not restart. Check the job
listing for further information.
(cont.)
Shadow Mode The FLAG Shadow Mode indicates that normal log record processing
is occurring.
Stand Alone Mode The FLAG Stand Alone Mode indicates that table recovery and
database integrity checking has completed and log record
processing is underway for Stand Alone Recovery (RECOVER). This
RECOVER status is available until the end of the logfile is
reached. It is not available while the optional tape transaction
is being processed or while roll back of incomplete transactions
is underway. The >STATUS command with the same configuration file
name is used to obtain Stand Alone Recovery status.
Switch Mode The FLAG Switch Mode indicates the RP is operating in SWITCH mode.
After a >SWITCH command has started, use the >STATUS command with
the same configuration file name to obtain status during switch
This switch status information is available until the end of the
data pipe is reached but is not available while the optional tape
transaction is being processed or while roll back of incomplete
transactions is underway.
The SENT line on the PRIMARY part of the report indicates the number of
records transported since the last START. The number of blocks (24
records if the buffer is full) when compared to records sent will provide
an estimate of the efficiency of the data transport.
The DATABASE line on the SECONDARY part of the report shows the current
database open mode and other information about open transactions and
paths into the databases(s). If the default open mode is used, "4
NOLOCK" will indicate there are no locks on the database(s) and the open
mode is four.
EXAMPLES
The following example shows a typical STATUS screen, displaying
information about the current configuration file.
>STATUS
================ S i l h o u e t t e S T A T U S =============
1:04:08
* PRIMARY SECONDARY
- - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - -
LOGFILE record # = 4654 (001) | LOGFILE record # = 4654 (001)
time = 12:58:05 | time = 12:58:05
|
outstanding= 0 recs | FLAGS Shadow Mode
max ever = 2 recs |
|
SENT logical = 2 recs | DATABASE opens = 6 paths
physical = 1 blocks| transact. = 2 outst.
| Open mode = 4 NOLOCK
|
[ current status ] | [ current status ]
- - - - - - - - - - - - - - - - - - + - - - - - - - - - - - - - - - - - -
LINES OPEN : MPEXL950
=========================================================================
>
If a >STATUS command is issued and no configuration file is active on the
system, the following message appears:
No configuration is currently active. (MPWARN 42)
ADDITIONAL DISCUSSION
None.
MPE/iX 5.0 Documentation