Subject Re: Incremental Backups
Author donjules2k
Hi,

Thanks to everyone for the info on this.

Giulio

--- In Firebird-Architect@yahoogroups.com, "Samofatov, Nickolay"
<nickolay@b...> wrote:
> Hi, Jim, All!
>
> > >Jim,
> > >
> > >
> > >
> > >>And, no, NBak doesn't address incremental backup. As far as I know
> > >>(which may be wrong), it doesn't address this problem at all.
> > >>
> > >>
> > >
> > >It addresses it completely!
> > >
> > >It supports the standard/simple/single incremental model
> > (ala standard
> > >tape backup solutions).
> > >
> > >It also supports a multi-level model (ie. hourly, daily, weekly...).
> > >You can set backup points and then request a backup which
> > reflects that
> > >changes from those points.
> > >
> > >
> > >
> > Sounds great. Can you give us a pointer to the documentation?
>
> In devel list Helen pointed to a nice page giving explanation of
> NBAK/NBACKUP inner workings.
> If you need to know details of implementation feel free to read the
> explanation (carefully), source and ask questions.
>
> Unfortulately, user-level documentation does not exist yet, but it will
> be there before 2.0 is released.
> Anyways, nbackup usage page should provide enough info for experienced
> user:
> -----------
> C:\fb2\bin>nbackup.exe
> Physical Backup Manager Copyright (C) 2003 Firebird development team
> Original idea is of Sean Leyne <sean@b...>
> Designed and implemented by Nickolay Samofatov <skidder@b...>
> This work was funded through a grant from BroadView Software, Inc.
>
> Usage: nbackup <options>
> valid options are:
> -L <database> Lock database for filesystem
> copy
> -U <database> Unlock previously locked
> database
> -F <database> Fixup database after filesystem
> copy
> -B <level> <database> [<filename>] Create incremental backup
> -R <database> [<file0> [<file1>...]] Restore incremental backup
> Notes:
> <database> may specify database alias
> incremental backups of multi-file databases are not supported yet
> "stdout" may be used as a value of <filename> for -B option
> -----------
>
> > Jim Starkey
>
> Nickolay