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-<H1>Administration Reference</H1>
-<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf073.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Bot_Of_Page"><IMG SRC="../bot.gif" BORDER="0" ALT="[Bottom of Topic]"></A> <A HREF="auarf075.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
-<P>
-<H2><A NAME="HDRBK_DUMPINFO" HREF="auarf002.htm#ToC_88">backup dumpinfo</A></H2>
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-<P><STRONG>Purpose</STRONG>
-<P>Displays a dump record from the Backup Database
-<P><STRONG>Synopsis</STRONG>
-<PRE><B>backup dumpinfo</B> [<B>-ndumps</B> <<VAR>no. of dumps</VAR>>] [<B>-id</B> <<VAR>dump id</VAR>>]
- [<B>-verbose</B>] [<B>-localauth</B>] [<B>-cell</B> <<VAR>cell name</VAR>>] [<B>-help</B> ]
-
-<B>backup dumpi</B> [<B>-n</B> <<VAR>no. of dumps</VAR>>] [<B>-i</B> <<VAR>dump id</VAR>>]
- [<B>-v</B>] [<B>-l</B>] [<B>-c</B> <<VAR>cell name</VAR>>] [<B>-h</B>]
-</PRE>
-<P><STRONG>Description</STRONG>
-<P>The <B>backup dumpinfo</B> command formats and displays the Backup
-Database record for the specified dumps. To specify how many of the
-most recent dumps to display, starting with the newest one and going back in
-time, use the <B>-ndumps</B> argument. To display more detailed
-information about a single dump, use the <B>-id</B> argument. To
-display the records for the 10 most recent dumps, omit both the
-<B>-ndumps</B> and <B>-id</B> arguments.
-<P>The <B>-verbose</B> flag produces very detailed information that is
-useful mostly for debugging purposes. It can be combined only with the
-<B>-id</B> argument.
-<P><STRONG>Options</STRONG>
-<DL>
-<P><DT><B>-ndumps
-</B><DD>Displays the Backup Database record for each of the specified number of
-dumps that were most recently performed. If the database contains fewer
-dumps than are requested, the output includes the records for all existing
-dumps. Do not combine this argument with the <B>-id</B> or
-<B>-verbose</B> options; omit all options to display the records for
-the last 10 dumps.
-<P><DT><B>-id
-</B><DD>Specifies the dump ID number of a single dump for which to display the
-Backup Database record. Precede the <VAR>dump id</VAR> value with the
-<B>-id</B> switch; otherwise, the command interpreter interprets it
-as the value of the <B>-ndumps</B> argument. Combine this argument
-with the <B>-verbose</B> flag, but not with the <B>-ndumps</B>
-argument; omit all options to display the records for the last 10
-dumps.
-<P><DT><B>-verbose
-</B><DD>Provides more detailed information about the dump specified with the
-<B>-id</B> argument, which must be provided along with it. Do not
-combine this flag with the <B>-ndumps</B> argument.
-<P><DT><B>-localauth
-</B><DD>Constructs a server ticket using a key from the local
-<B>/usr/afs/etc/KeyFile</B> file. The <B>backup</B> command
-interpreter presents it to the Backup Server, Volume Server and VL Server
-during mutual authentication. Do not combine this flag with the
-<B>-cell</B> argument. For more details, see the introductory
-<B>backup</B> reference page.
-<P><DT><B>-cell
-</B><DD>Names the cell in which to run the command. Do not combine this
-argument with the <B>-localauth</B> flag. For more details, see the
-introductory <B>backup</B> reference page.
-<P><DT><B>-help
-</B><DD>Prints the online help for this command. All other valid options
-are ignored.
-</DL>
-<P><STRONG>Output</STRONG>
-<P>If the <B>-ndumps</B> argument is provided, the output presents the
-following information in table form, with a separate line for each dump:
-<DL>
-<P><DT><B><TT>dumpid</TT>
-</B><DD>The dump ID number.
-<P><DT><B><TT>parentid</TT>
-</B><DD>The dump ID number of the dump's parent dump. A value of
-<TT>0</TT> (zero) identifies a full dump.
-<P><DT><B><TT>lv</TT>
-</B><DD>The depth in the dump hierarchy of the dump level used to create the
-dump. A value of <TT>0</TT> (zero) identifies a full dump, in which
-case the value in the <TT>parentid</TT> field is also <TT>0</TT>. A
-value of <TT>1</TT> or greater indicates an incremental dump made at the
-corresponding level in the dump hierarchy.
-<P><DT><B><TT>created</TT>
-</B><DD>The date and time at which the Backup System started the dump operation
-that created the dump.
-<P><DT><B><TT>nt</TT>
-</B><DD>The number of tapes that contain the data in the dump. A value of
-<TT>0</TT> (zero) indicates that the dump operation was terminated or
-failed. Use the <B>backup deletedump</B> command to remove such
-entries.
-<P><DT><B><TT>nvols</TT>
-</B><DD>The number of volumes from which the dump includes data. If a
-volume spans tapes, it is counted twice. A value of <TT>0</TT> (zero)
-indicates that the dump operation was terminated or failed; the value in
-the <TT>nt</TT> field is also <TT>0</TT> in this case.
-<P><DT><B><TT>dump name</TT>
-</B><DD>The dump name in the form
-<PRE> <VAR>volume_set_name</VAR>.<VAR>dump_level_name</VAR> (<VAR>initial_dump_ID</VAR>)
-
-</PRE>
-<P>
-<P>where <VAR>volume_set_name</VAR> is the name of the volume set, and
-<VAR>dump_level_name</VAR> is the last element in the dump level pathname at
-which the volume set was dumped.
-<P>The <VAR>initial_dump_ID</VAR>, if displayed, is the dump ID of the initial
-dump in the dump set to which this dump belongs. If there is no value
-in parentheses, the dump is the initial dump in a dump set that has no
-appended dumps.
-</DL>
-<P>If the <B>-id</B> argument is provided alone, the first line of output
-begins with the string <TT>Dump</TT> and reports information for the entire
-dump in the following fields:
-<DL>
-<P><DT><B><TT>id</TT>
-</B><DD>The dump ID number.
-<P><DT><B><TT>level</TT>
-</B><DD>The depth in the dump hierarchy of the dump level used to create the
-dump. A value of <TT>0</TT> (zero) identifies a full dump. A
-value of <TT>1</TT> (one) or greater indicates an incremental dump made at
-the specified level in the dump hierarchy.
-<P><DT><B><TT>volumes</TT>
-</B><DD>The number of volumes for which the dump includes data.
-<P><DT><B><TT>created</TT>
-</B><DD>The date and time at which the dump operation began.
-</DL>
-<P>Following a blank line, the output includes an entry for each tape that
-houses volume data from the dump. Following the string <TT>Tape</TT>,
-the first two lines of each entry report information about that tape in the
-following fields:
-<DL>
-<P><DT><B><TT>name</TT>
-</B><DD>The tape's permanent name if it has one, or its AFS tape name
-otherwise, and its tape ID number in parentheses.
-<P><DT><B><TT>nVolumes</TT>
-</B><DD>The number of volumes for which this tape includes dump data.
-<P><DT><B><TT>created</TT>
-</B><DD>The date and time at which the Tape Coordinator began writing data to this
-tape.
-</DL>
-<P>Following another blank line, the tape-specific information concludes with
-a table that includes a line for each volume dump on the tape. The
-information appears in columns with the following headings:
-<DL>
-<P><DT><B><TT>Pos</TT>
-</B><DD>The relative position of each volume in this tape or file. On a
-tape, the counter begins at position 2 (the tape label occupies position 1),
-and increments by one for each volume. For volumes in a backup data
-file, the position numbers start with 1 and do not usually increment only by
-one, because each is the ordinal of the 16 KB offset in the file at which the
-volume's data begins. The difference between the position numbers
-therefore indicates how many 16 KB blocks each volume's data
-occupies. For example, if the second volume is at position 5 and the
-third volume in the list is at position 9, that means that the dump of the
-second volume occupies 64 KB (four 16-KB blocks) of space in the file.
-<P><DT><B><TT>Clone time</TT>
-</B><DD>For a backup or read-only volume, the time at which it was cloned from its
-read/write source. For a Read/Write volume, it is the same as the dump
-creation date reported on the first line of the output.
-<P><DT><B><TT>Nbytes</TT>
-</B><DD>The number of bytes of data in the dump of the volume.
-<P><DT><B><TT>Volume</TT>
-</B><DD>The volume name, complete with <TT>.backup</TT> or
-<TT>.readonly</TT> extension if appropriate.
-</DL>
-<P>If both the <B>-id</B> argument and the <B>-verbose</B> flag are
-specified, the output is divided into several sections:
-<UL>
-<P><LI>The first section, headed by the underlined string <TT>Dump</TT>,
-includes information about the entire dump. The fields labeled
-<TT>id</TT>, <TT>level</TT>, <TT>created</TT>, and <TT>nVolumes</TT>
-report the same values (though in a different order) as appear on the first
-line of output when the <B>-id</B> argument is provided by itself.
-Other fields of potential interest to the backup operator are:
-<DL>
-<P><DT><B><TT>maxTapes</TT>
-</B><DD>The number of tapes that contain the dump set to which this dump
-belongs.
-<P><DT><B><TT>Start Tape Seq</TT>
-</B><DD>The ordinal of the tape on which this dump begins in the set of tapes that
-contain the dump set.
-</DL>
-<P><LI>For each tape that contains data from this dump, there follows a section
-headed by the underlined string <TT>Tape</TT>. The fields labeled
-<TT>name</TT>, <TT>written</TT>, and <TT>nVolumes</TT> report the same
-values (though in a different order) as appear on the second and third lines
-of output when the <B>-id</B> argument is provided by itself. Other
-fields of potential interest to the backup operator are:
-<DL>
-<P><DT><B><TT>expires</TT>
-</B><DD>The date and time when this tape can be recycled, because all dumps it
-contains have expired.
-<P><DT><B><TT>nMBytes Data</TT> and <TT>nBytes Data</TT>
-</B><DD>Summed together, these fields represent the total amount of dumped data
-actually from volumes (as opposed to labels, filemarks, and other
-markers).
-<P><DT><B><TT>KBytes Tape Used</TT>
-</B><DD>The number of kilobytes of tape (or disk space, for a backup data file)
-used to store the dump data. It is generally larger than the sum of the
-values in the <TT>nMBytes Data</TT> and <TT>nBytes Data</TT> fields,
-because it includes the space required for the label, file marks and other
-markers, and because the Backup System writes data at 16 KB offsets, even if
-the data in a given block doesn't fill the entire 16 KB.
-</DL>
-<P><LI>For each volume on a given tape, there follows a section headed by the
-underlined string <TT>Volume</TT>. The fields labeled
-<TT>name</TT>, <TT>position</TT>, <TT>clone</TT>, and <TT>nBytes</TT>
-report the same values (though in a different order) as appear in the table
-that lists the volumes in each tape when the <B>-id</B> argument is
-provided by itself. Other fields of potential interest to the backup
-operator are:
-<DL>
-<P><DT><B><TT>id</TT>
-</B><DD>The volume ID.
-<P><DT><B><TT>tape</TT>
-</B><DD>The name of the tape containing this volume data.
-</DL>
-</UL>
-<P><STRONG>Examples</STRONG>
-<P>The following example displays information about the last five dumps:
-<PRE> % <B>backup dumpinfo -ndumps 5</B>
- dumpid parentid lv created nt nvols dump name
- 924424000 0 0 04/18/1999 04:26 1 22 usr.sun (924424000)
- 924685000 924424000 1 04/21/1999 04:56 1 62 usr.wed (924424000)
- 924773000 924424000 1 04/22/1999 05:23 1 46 usr.thu (924424000)
- 924860000 924424000 1 04/23/1999 05:33 1 58 usr.fri (924424000)
- 925033000 0 0 04/25/1999 05:36 2 73 sys.week
-
-</PRE>
-<P>The following example displays a more detailed record for a single
-dump.
-<PRE> % <B>backup dumpinfo -id 922097346</B>
- Dump: id 922097346, level 0, volumes 1, created Mon Mar 22 05:09:06 1999
- Tape: name monday.user.backup (922097346)
- nVolumes 1, created 03/22/1999 05:09
- Pos Clone time Nbytes Volume
- 1 03/22/1999 04:43 27787914 user.pat.backup
-
-</PRE>
-<P>The following example displays even more detailed information about the
-dump displayed in the previous example (dump ID 922097346). This
-example includes only one exemplar of each type of section (<TT>Dump</TT>,
-<TT>Tape</TT>, and <TT>Volume</TT>):
-<PRE> % <B>backup dumpinfo -id 922097346 -verbose</B>
- Dump
- ----
- id = 922097346
- Initial id = 0
- Appended id = 922099568
- parent = 0
- level = 0
- flags = 0x0
- volumeSet = user
- dump path = /monday1
- name = user.monday1
- created = Mon Mar 22 05:09:06 1999
- nVolumes = 1
- id = 0
- tapeServer =
- format= user.monday1.%d
- maxTapes = 1
- Start Tape Seq = 1
- name = pat
- instance =
- cell =
- Tape
- ----
- tape name = monday.user.backup
- AFS tape name = user.monday1.1
- flags = 0x20
- written = Mon Mar 22 05:09:06 1999
- expires = NEVER
- kBytes Tape Used = 121
- nMBytes Data = 0
- nBytes Data = 19092
- nFiles = 0
- nVolumes = 1
- seq = 1
- tapeid = 0
- useCount = 1
- dump = 922097346
- Volume
- ------
- name = user.pat.backup
- flags = 0x18
- id = 536871640
- server =
- partition = 0
- nFrags = 1
- position = 2
- clone = Mon Mar 22 04:43:06 1999
- startByte = 0
- nBytes = 19092
- seq = 0
- dump = 922097346
- tape = user.monday1.1
-
-</PRE>
-<P><STRONG>Privilege Required</STRONG>
-<P>The issuer must be listed in the <B>/usr/afs/etc/UserList</B> file on
-every machine where the Backup Server is running, or must be logged onto a
-server machine as the local superuser <B>root</B> if the
-<B>-localauth</B> flag is included.
-<P><STRONG>Related Information</STRONG>
-<P><A HREF="auarf060.htm#HDRBK_INTRO">backup</A>
-<P><A HREF="auarf068.htm#HDRBK_DELETEDUMP">backup deletedump</A>
-<P>
-<HR><P ALIGN="center"> <A HREF="../index.htm"><IMG SRC="../books.gif" BORDER="0" ALT="[Return to Library]"></A> <A HREF="auarf002.htm#ToC"><IMG SRC="../toc.gif" BORDER="0" ALT="[Contents]"></A> <A HREF="auarf073.htm"><IMG SRC="../prev.gif" BORDER="0" ALT="[Previous Topic]"></A> <A HREF="#Top_Of_Page"><IMG SRC="../top.gif" BORDER="0" ALT="[Top of Topic]"></A> <A HREF="auarf075.htm"><IMG SRC="../next.gif" BORDER="0" ALT="[Next Topic]"></A> <A HREF="auarf284.htm#HDRINDEX"><IMG SRC="../index.gif" BORDER="0" ALT="[Index]"></A> <P>
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