No! Only the sender side has to compress the data. The comparison could be done in the compressed data format. With the -z option the sender compresses the data anyway. The checksum test should be faster for the smaller compressed pieces.
Matt diburim wrote: > > I guess it is not so simple. Because next time you run rsync, > each file will have to be decompress for comparison. > > Dib > > ----- Original Message ----- > From: "Matthias Munnich" <[EMAIL PROTECTED]> > To: <[EMAIL PROTECTED]> > Sent: Wednesday, May 22, 2002 9:47 PM > Subject: Compressed backup > > > Hi > > > > I am using rsync for backup on the disks of a Linux backup server. > > Obviously the server could store more data if the data were > > compressed. I read the "rsync -> tar" thread. Unfortunately, a > > compressed file system for Linux does not seem to exist yet. > > However, rsync can use compression for file transfer. > > > > Would it be possible to implement an option to store the data on the > > backup server in the compressed chunks use for the file transfer? > > It would save space and should also speedup any later rsynchronization. > > > > Matt > > -- > > -------------------------------- > > Matthias Munnich > > Univ. of California, Los Angeles > > Inst. of Geophysics and Planetary Physics > > > > -- > > To unsubscribe or change options: > http://lists.samba.org/mailman/listinfo/rsync > > Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html > > -- -------------------------------- Matthias Munnich Univ. of California, Los Angeles -- To unsubscribe or change options: http://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.tuxedo.org/~esr/faqs/smart-questions.html
