Re: [BackupPC-users] Data integrity checks

2017-01-02 Thread Micha Kersloot
Monday, 2 January, 2017 14:06:22 > Subject: Re: [BackupPC-users] Data integrity checks > Hi, > I have asked, because I have learnt about a tool, which calculates and store > checksums of individual files as extended attributes. The basic idea was to > check after a data transfer eas

Re: [BackupPC-users] Data integrity checks

2017-01-02 Thread Jan Stransky
Hi, I have asked, because I have learnt about a tool, which calculates and store checksums of individual files as extended attributes. The basic idea was to check after a data transfer easily. I could imagine that similar concept could help track nasty things happening on both backuppc side a

Re: [BackupPC-users] Data integrity checks

2017-01-02 Thread Andreas Piening
Hi Jan, the file based deduplication is baed on checksums, so if a new file is stored with the same name and file-size it will only be stored as a new file if the checksum is different. If the checksum is different, a hard link will be used to point at the already existing copy. But these check