OK, thanks a lot for your help! 2012/1/20 David du Colombier <0in...@gmail.com>: >> Does the presence of the trailer imply that I should add an extra >> block to the arenas backup? >> If my last arena is >> >> arena='arenas059' [31676186624,32213057536) >> >> then I should backup 32213057536+8192 bytes instead of 32213057536? > > No, the trailer is located at the end of the arena, > just after clump info. > > The second number you see is the start of the next arena. > It is preceded by two blocks: > > - the arena header of the next arena, > - the arena trailer of the precedent arena. > > 32213057536/8192 = 3932258 > > In you example, arenas060 start at 3932258, so the header of > arenas060 is 3932257 and the trailer of arenas059 is 3932256. > > You should really backup from 1048576-8192 (start of arenas00, > including header) to 32213057536-2*8192 (end of arenas059, > including trailer). > > Like many Venti tools, checkarenas check each arena header > and trailer and verify they match. So you should be confident. > > -- > David du Colombier >
-- Hugo
