about ARMserver log

[JohnF_2]

HP-UX11.0 AutoRaid 12E
ARMServer's log is located in/var/hparray/log file???using "logprint" command to check it???I found that the log is recorded as follow???
L0000044 Jan 5 13:41:43 Jan 5 22:43:29
L0000045 Jan 5 23:43:44 Jan 6 08:45:29
L0000046 Jan 6 09:45:44 Jan 6 18:47:29
L0000047 Jan 6 19:47:44 Jan 7 04:49:30
L0000048 Jan 7 05:49:45 Jan 7 14:51:30
L0000049 Jan 7 15:51:45 Jan 8 00:53:31
some log file is empty:
Log File: /var/opt/hparray/log/L0000029
Log File: /var/opt/hparray/log/L0000030
Log File: /var/opt/hparray/log/L0000032
Usage record for Subsystem 000000261FFA at Mon Jan 1 09:09:29 2001
Usage record for Subsystem 000000261FFA at Mon Jan 1 09:24:32 2001
Usage record for Subsystem 000000261FFA at Mon Jan 1 09:39:35 2001
Usage record for Subsystem 000000261FFA at Mon Jan 1 09:54:38 2001
Why?

[JohnF_2]

Anyone can tell me how many time will insert a record to the log file?
and
why they do it like that?