On 02/11/14 02:10, Clive Cox wrote: > I just "nuked" one of our machines archives and have seen strange stats. I > assume this is a minor bug and we won't be charged... :-)
Indeed. > # tarsnap --print-stats > Total size Compressed size > All archives 18446744073707640646 18446744073707637982 > (unique data) 18446744073707640646 18446744073707637982 You might recognize these numbers as being slightly less than 2^64... there's a bug in archive checkpointing which causes some overhead data to not be counted in the statistics used for --print-stats. When you delete data, on the other hand -- whether via 'tarsnap -d' or 'tarsnap --nuke' -- that overhead data is deducted from the running totals, yielding a small negative value. The accounting on the server side is not affected by this, so there was never any risk of being billed for almost 2^64 bytes of storage. ;-) -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid
