Ontape backup file naming conventions

Technote (FAQ)


Question

What is the naming convention used for files in the ontape backup directory?

Cause

The directories specified using the ONCONFIG parameters TAPEDEV and LTAPEDEV provide the target location for ontape level 0 backup files and logical log backup files, respectively. In order to avoid duplication and assure unique filenames, a specific naming convention is used.

Answer

The filename used for file backups is
<hostname>_<servernum>_<Day>_<Mon>_<hh>_<mm>_<ss>_<Year>_XXXXXX,

where


    Day= Day of week

    Mon=3 letter month name (in english)

    hh= 2 digit hour (24 hour format)

    mm=2 digit minute

    ss= 2 digit second

    Year= four digit (Gregorian) calendar year

    XXXXXX is a unique OS generated string


Also, temporary file names may be visible until a backup completes.

    'ONTL_'+<filename> == indicates a logical log file backup in progress.
    'ONTA_'+<filename> == indicates a level 0 file backup in progress.


Note: Time references are derived from the system timestamp.

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Document information


More support for:

Informix Servers

Software version:

11.5, 11.7

Operating system(s):

AIX, HP-UX, Linux, Solaris, Windows

Reference #:

1615247

Modified date:

2012-10-24

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