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- '\"
- '\" Copyright 1992 Regents of the University of California
- '\" Permission to use, copy, modify, and distribute this
- '\" documentation for any purpose and without fee is hereby
- '\" granted, provided that this notice appears in all copies.
- '\" The University of California makes no representations about
- '\" the suitability of this material for any purpose. It is
- '\" provided "as is" without express or implied warranty.
- '\"
- '\" $Header: /user5/mottsmth/j/b/jbuild.man,v 1.8 92/05/07 09:02:14 mottsmth Exp $ SPRITE (Berkeley)
- '\"
- .\" The definitions below are for supplemental macros used in Sprite
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- .\" section names.
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- .\" and indent is equivalent to second arg of .IP (shouldn't ever be
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- .\" .AS [type [name]]
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- .HS jbuild cmds
- .BS
- '\" Note: do not modify the .SH NAME line immediately below!
- .SH NAME
- jbuild \- Reconstruct Jaquith disk index from tertiary storage
- .SH SYNOPSIS
- \fBjbuild [-root \fIrootPath\fR] [\fB-dev \fIdevice\fR]
- [\fB-v\fR] [\fB-clobber\fR] [\fB-noindex\fR]
- [\fB-save\fR] [\fB-first \fIfirst-file\fR] [\fB-last \fIlast-file\fR]
- [\fB-before \fIdate\fR] [\fB-after \fIdate\fR]
- [\fB-matchpath \fIpath-expression\fR]
- [\fB-matchtbuf \fItbuf-expression\fR]
- .SH OPTIONS
- .IP "\fB\-root \fIrootpath\fR" 14
- Specify root of index tree.
- .IP "\fB\-dev \fIdevice\fR" 14
- The name of the reader device.
- .IP "\fB\-v\fR" 14
- Turn on verbose mode which prints status during operation.
- .IP "\fB\-clobber\fR" 14
- Overwrite the disk index with the tape index.
- .IP "\fB\-noindex\fR" 14
- Restore the thdr file from tape but don't rebuild the index.
- This implies \fB-save\fR.
- .IP "\fB\-save\fR" 14
- Save the thdr file after index is restored.
- .IP "\fB\-first \fIfirst-file\fR" 14
- Number of first thdr file to restore. (0 == first file on tape).
- .IP "\fB\-last \fIlast-file\fR" 14
- Number of last thdr file to restore. (-1 == last file on tape).
- .IP "\fB\-matchPath \fIpathname\fR" 14
- Restore only files that match the path \fIpathname\fR according
- to Unix globbing rules.
- .IP "\fB\-matchtbuf \fItbuf-num\fR" 14
- Restore only files that match the tbuf number \fItbuf-num\fR according
- to Unix globbing rules.
- .IP "\fB\-before \fIdate\fR" 14
- Restore only entries archived before \fIdate\fR.
- .IP "\fB\-after \fIdate\fR" 14
- Restore only entries archived after \fIdate\fR.
- .IP "\fB\-bufsize \fIbytesize\fR" 14
- Read from tape in \fIbytesize\fR units.
- .BE
- .SH DESCRIPTION
- .PP
- \fBJbuild\fP is a system manager's utility for the Jaquith system.
- It's purpose is to rebuild Jaquith's disk index from tape in the
- event of disk crash.
-
- .PP
- Jbuild processes a single Jaquith tape by restoring a sequence of
- index (thdr) file, parsing them, and rebuilding the tree structure on disk.
- Several arguments control the details of the restoration:
- The \fB-first\fR and \fR-last\fR arguments limit the range of
- thdr files which are read from tape. The \fB-matchpath\fR argument
- restricts restoration to user file pathnames which match \fIpathname\fR.
- The \fB-noindex\fR option inhibits the rebuilding of the disk index
- entirely; only the raw thdr files are restored.
-
- .PP
- Jbuild is not network-aware since it is not for use by
- clients. It assumes that it has direct access to the readers.
-
- .PP
- \fIdate\fR is of the form \fIDateSpec[:TimeSpec]\fR. \fITimeSpec\fR
- is of the form [hh[:mm[:ss]]], and \fIDateSpec\fR is of the form
- dd\(hymonth[\(hyyyyy]. Month is the first 3 letters of the month;
- all others are numbers. The '/' character is a substitute
- for '-' and '.' may be used instead of ':'.
-
- .SH FILES
- Jbuild creates a temporary work file in the Jaquith root called
- rebuild.\fIpid\fR. The work file will be renamed \fIarch\fR/thdr.\fInumber\fR
- after the thdr file has been restored to its archive,
- or thdr.\fIpid\fR.\fIcount\fR, if the file appears to be bogus.
-
- .SH BUGS
- Jbuild can restore only one volume at a time; several invocations
- may be necessary to restore an entire logical archive.
-
- .SH "SEE ALSO"
- jaquith jmgr jls jstat jput jget jctrl jcopy jclean
-
- .SH KEYWORDS
- jaquith archive
-
-