Tijl Van den Broeck wrote:
SHA1SUM could be used instead md5sum, but the time consumed is 4 times bigger (31M tar.gz file). Probably the best way will be diff (fastest).It would indeed be a great space saving feature. But I wouldn't place my bet only on md5sums, it has been proven that there -could- occur false matches. There has to be some additional checking as well, starting with the filename. The chances of a duplicate md5sum in the same filename, while having different contents, are so small I doubt it would ever occur. Yes yes, Murphy's Law, I know, but realistically... would it ever occur?Filename match doesn't necessarly need to be a 1-1 check, but more of a pattern check, when a file is copied and renamed, a part of the original name is mostly kept. Tijl Van den Broeck On 10/25/06, Hristo Benev <[EMAIL PROTECTED]> wrote:If this is not possible with current version it is a very good request for feature. Probably this can be done with md5sum'ing - works even if files are renamed, and just linking files in catalog... Yes, it will require little bit more processing power, but it could save a lot of space. -- Hristo Benev IT Manager WAVEROAD Partners in Telecommunications 514-935-2020 x225 T 514-935-1001 F www.waveroad.ca [EMAIL PROTECTED] ------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642 _______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users I do not think that 2 files with same size will have different md5sum but as Tijl Van den Broeck said Murfphy's law is here :). Having checksum (md5 or sha1) will help in case that the same file is on 2 servers like (i386 folder in Windows) so just checksum could be send and director could prevent sending the file over the network(imagine bandwidth savings if this is over wan link). And this could help bacula add a feature - sort of CDP (continuous data protection). -- Hristo Benev IT Manager WAVEROAD Partners in Telecommunications 514-935-2020 x225 T 514-935-1001 F www.waveroad.ca [EMAIL PROTECTED] |
------------------------------------------------------------------------- Using Tomcat but need to do more? Need to support web services, security? Get stuff done quickly with pre-integrated technology to make your job easier Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
_______________________________________________ Bacula-users mailing list Bacula-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bacula-users
