X-Git-Url: https://git.wh0rd.org/?p=dump.git;a=blobdiff_plain;f=restore%2Frestore.8.in;h=90fb1e323427e7f92cbae1db99173a8672f04e08;hp=f853fefca748347581282c78f28aaa078017057a;hb=103122b3455278bdf377ce24821168be90238fda;hpb=01fb6bd5f03cd25d80266fae5b789a18e76f7432 diff --git a/restore/restore.8.in b/restore/restore.8.in index f853fef..90fb1e3 100644 --- a/restore/restore.8.in +++ b/restore/restore.8.in @@ -29,7 +29,7 @@ .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" -.\" $Id: restore.8.in,v 1.7 2000/01/21 10:23:30 stelian Exp $ +.\" $Id: restore.8.in,v 1.23 2002/01/22 11:12:28 stelian Exp $ .\" .Dd __DATE__ .Dt RESTORE 8 @@ -40,48 +40,60 @@ .Sh SYNOPSIS .Nm restore .Fl C -.Op Fl ckMvy +.Op Fl cklMvVy .Op Fl b Ar blocksize .Op Fl D Ar filesystem .Op Fl f Ar file +.Op Fl F Ar script +.Op Fl L Ar limit .Op Fl s Ar fileno .Op Fl T Ar directory .Nm restore .Fl i -.Op Fl chkmMNuvy +.Op Fl achklmMNuvVy .Op Fl b Ar blocksize .Op Fl f Ar file +.Op Fl F Ar script +.Op Fl Q Ar file .Op Fl s Ar fileno .Op Fl T Ar directory .Nm restore .Fl R -.Op Fl ckMNuvy +.Op Fl cklMNuvVy .Op Fl b Ar blocksize .Op Fl f Ar file +.Op Fl F Ar script .Op Fl s Ar fileno .Op Fl T Ar directory .Nm restore .Fl r -.Op Fl ckMNuvy +.Op Fl cklMNuvVy .Op Fl b Ar blocksize .Op Fl f Ar file +.Op Fl F Ar script .Op Fl s Ar fileno .Op Fl T Ar directory .Nm restore .Fl t -.Op Fl chkMNuvy +.Op Fl chklMNuvVy .Op Fl b Ar blocksize .Op Fl f Ar file +.Op Fl F Ar script +.Op Fl Q Ar file .Op Fl s Ar fileno .Op Fl T Ar directory +.Op Fl X Ar filelist .Op file ... .Nm restore .Fl x -.Op Fl chkmMNuvy +.Op Fl achklmMNuvVy .Op Fl b Ar blocksize .Op Fl f Ar file +.Op Fl F Ar script +.Op Fl Q Ar file .Op Fl s Ar fileno .Op Fl T Ar directory +.Op Fl X Ar filelist .Op file ... .Pp .in @@ -122,6 +134,9 @@ disk. It first changes its working directory to the root of the filesystem that was dumped and compares the tape with the files in its new current directory. +See also the +.Fl L +flag described below. .It Fl i This mode allows interactive restoration of files from a dump. After reading in the directory information from the dump, @@ -258,6 +273,9 @@ Note that the flag replaces the function of the old .Xr dumpdir 8 program. +See also the +.Fl X +option below. .ne 1i .It Fl x The named files are read from the given media. @@ -276,10 +294,28 @@ backup being extracted, unless the .Fl h flag has been specified. +See also the +.Fl X +option below. .El .Pp The following additional options may be specified: .Bl -tag -width Ds +.It Fl a +In +.Fl i +or +.Fl x +mode, +.Nm restore +does ask the user for the volume number on which the files to +be extracted are supposed to be (in order to minimise the time +be reading only the interesting volumes). The +.Fl a +option disables this behaviour and reads all the volumes starting +with 1. This option is useful when the operator does not know on which +volume the files to be extracted are and/or when he prefers the +longer unattended mode rather than the shorter interactive mode. .It Fl b Ar blocksize The number of kilobytes per dump record. If the @@ -325,6 +361,21 @@ or reads from the named file on the remote host using .Xr rmt 8 . .Pp +.It Fl F Ar script +Run script at the beginning of each tape. The device name and the +current volume number are passed on the command line. +The script must return 0 if +.Nm +should continue without asking the user to change the tape, 1 if +.Nm +should continue but ask the user to change the tape. +Any other exit code will cause +.Nm +to abort. +For security reasons, +.Nm +reverts back to the real user ID and the real group ID before +running the script. .It Fl k Use Kerberos authentication when contacting the remote tape server. (Only available if this options was enabled when @@ -336,6 +387,25 @@ Extract the actual directory, rather than the files that it references. This prevents hierarchical restoration of complete subtrees from the dump. +.It Fl l +When doing remote restores, assume the remote file is a +regular file (instead of a tape device). If you're restoring +a remote compressed file, you will need to specify this +option or +.Nm restore +will fail to access it correctly. +.It Fl L Ar limit +The +.Fl L +flag allows the user to specify a maximal number of miscompares +when using +.Nm restore +with the +.Fl C +option to check the backup. If this limit is reached, +.Nm restore +will abort with an error message. A value of 0 (the default value) +disables the check. .It Fl m Extract by inode numbers rather than by file name. This is useful if only a few files are being extracted, @@ -355,7 +425,34 @@ The .Fl N flag causes .Nm -to only print file names. Files are not extracted. +to perform a full execution as requested by one of +.Fl i, +.Fl R, +.Fl r, +.Fl t +or +.Fl x +command without actually writing any file on disk. +.It Fl Q Ar file +Use the file +.Ar file +in order to read tape position as stored using the dump Quick File +Access mode. +.Pp +It is recommended to set up the st driver to return logical tape +positions rather than physical before calling dump/restore with +parameter Q. Since not all tape devices support physical tape +positions those tape devices return an error during dump/restore when +the st driver is set to the default physical setting. +Please see the st man page, option MTSETDRVBUFFER, or the mt man +page, on how to set the driver to return logical tape positions. +.Pp +Before calling restore with parameter Q, always make sure the st +driver is set to return the same type of tape position used during the +call to dump. Otherwise restore may be confused. +.Pp +This option can be used when restoring from local tapes (see above) +or from local files. .It Fl s Ar fileno Read from the specified .Ar fileno @@ -384,6 +481,23 @@ The (verbose) flag causes it to type the name of each file it treats preceded by its file type. +.It Fl V +Enables reading multi-volume non-tape mediums like CDROMs. +.It Fl X Ar filelist +Read list of files to be listed or extracted from the text file +.Ar filelist +in addition to those specified on the command line. This can be used in +conjunction with the +.Fl t +or +.Fl x +commands. The file +.Ar filelist +should contain file names separated by newlines. +.Ar filelist +may be an ordinary file or +.Ql Fl +(the standard input). .It Fl y Do not ask the user whether to abort the restore in the event of an error. Always try to skip over the bad block(s) and continue. @@ -458,6 +572,14 @@ After a dump read error, may have to resynchronize itself. This message lists the number of blocks that were skipped over. .El +.Pp +.Nm Restore +exits with zero status on success. +Tape errors are indicated with an exit code of 1. +.Pp +When doing a comparison of files from a dump, an exit code +of 2 indicates that some files were modified or deleted since +the dump was made. .Sh ENVIRONMENT If the following environment variable exists it will be utilized by .Nm restore : @@ -495,6 +617,7 @@ remote shell command to use when doing a network restore (rsh, ssh etc.). If this variable is not set, .Xr rcmd 3 will be used, but only root will be able to do a network restore. +.El .Sh FILES .Bl -tag -width "./restoresymtable" -compact .It Pa /dev/st0 @@ -555,17 +678,17 @@ from the restore code - run setuid at your own risk.) .Sh AUTHOR The .Nm dump/restore -backup suit was ported to Linux's Second Extended File System +backup suite was ported to Linux's Second Extended File System by Remy Card . He maintained the initial versions of dump (up and including 0.4b4, released in january 1997). .Pp Starting with 0.4b5, the new maintainer is Stelian Pop .br -. +. .Sh AVAILABILITY The .Nm dump/restore -backup suit is available from +backup suite is available from .br http://dump.sourceforge.net .Sh HISTORY