Ljubomir Ljubojevic centos@plnet.rs writes:
7za a -t7z $YearNum-$MonthNum.7z -i@include.lst -mx$CompressionMetod -mmt$ThreadNumber -mtc=on
So, 742 files that uncompressed have 179 MB, compressed ocupy only 452 KB, which is only 0.2% of original size, 442 TIMES smaller :
Perhaps there is a file system that supports compression and would do a good job with the snapshots transparently. Maybe even ZFS or btrfs do?