03-25-2013
Yes, a developer should not test his own stuff!
- Group code review turns on circuits in your brain that see errors you ignored before. I call it the audience effect.
- The dialectic tension between tester and developer is also an important resource. You love it, but he loves to find fault.
You deserve pretty code, so indent, tab align, slip in white space to keep things neat. You get paid back in better review, fewer errors and faster fixes. Every time you use a new line or each item, you help track changes in line oriented CM tools like SCCS and diff.
Log like you expect a midnight call when you are on vacation. After years of debugging with bad logging, I am now a fastidious logger and error checker. From first trial run to last is very short, usually, because my code does not go far off the track but I get a nice message and exit. Frame runs in the same log with header and trailer lines and blank lines. Put exact time stamps on all events. It's frustrating to be fixing errors in the wrong log. Put date-time-elements in file names, especially the log. For daemons that run many days, use syslog or start a new log every day. You can have a standard logging routine that saves the integer time() of tomorrow so I can check time() and close the log when necessary, with an old log trailer and the new log with a header.
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LEARN ABOUT OPENSOLARIS
ds.log
ds.log(4) File Formats ds.log(4)
NAME
ds.log - Availability Suite data services log file
DESCRIPTION
The /var/adm/ds.log file contains the Availability Suite data services command log. The administration commands log activities to the file
in the format:
date time product: message
Note that when the size of the log file exceeds 10 Mbytes, ds.log is renamed /var/adm/ds.log.bak and a new /var/adm/ds.log file is cre-
ated.
The ds.log fields are:
date
The date format is mmm nn, where mmm is the local three-character abbreviation for the month and nn is the day of the month on which
the event occurred.
time
The time of the event, in hh:mm:ss format.
product
A product code that identifies which component of the data services produced the event. The code is separated from the message that
follows by a colon (:) and a space.
message
A message that can extend over more than one line describing the event that occurred. The second or following lines are not pre-
fixed by the date, time, and product code strings.
EXAMPLES
The example below shows sample ds.log file content:
Jan 25 05:26:17 ii: iiboot suspend cluster tag <none>
Jan 25 05:32:02 ii: iiboot resume cluster tag <none>
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/bigmaster
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/bigshadow
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/mstvxfs
Jan 25 05:32:04 sv: svboot: resume /dev/vx/rdsk/master01
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+---------------------+---------------------------------------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+---------------------+---------------------------------------------------------+
|Architecture | x86 |
+---------------------+---------------------------------------------------------+
|Availability | SUNWscmu |
+---------------------+---------------------------------------------------------+
|Interface Stability | Committed |
+---------------------+---------------------------------------------------------+
SEE ALSO
iiadm(1M), sndradm(1M), svadm(1M), attributes(5)
SunOS 5.11 08 Jun 2007 ds.log(4)