On Thu, Oct 11, 2012 at 02:12:00PM +0400, Vyacheslav Dubeyko wrote: > On Thu, 2012-10-11 at 11:23 +0200, Piotr Szymaniak wrote: > > So I should dump block 743205 and 734158? Ok, but I'm not familiar with > > blkoff. > > > > ie. blkoff = 2, blocknr = 734205 it means the dump should be block > > 734205 and (blkoff = 2) next two blocks? If this is correct then this > > should work, right? > > dd if=/dev/<device> of=<dump> bs=2048 skip=734205 count=3 (not sure if > > dd counts skip= and count= from 0 or 1) > > And similar with block 734158 but only one block (blkoff = 0)? > > > > Sorry, I confuse you by blkoff mentioning. The blkoff is logical offset from file begin (for example, from ifile begin). You need to take into account only blocknr. > > It needs to dump block 743205 and 734158. Your superblock's content informs that block size is 4096 bytes. > > For example, dd if=/dev/<device> of=<dump> bs=4096 skip=734205 count=1 Block 743205 is empty: maszyn tmp (: cat dump.743205 maszyn tmp (: hexdump dump.743205 0000000 0000 0000 0000 0000 0000 0000 0000 0000 * 0001000 Block 734158 attached. Piotr Szymaniak. -- W tamtych latach wiejskie rodziny chodziły do lóżka bardzo wcześnie - "kiedy robiło się ciemno pod stołem", jak mawiała moja własna matka - i spały kamiennym snem. -- Stephen King, "The Green Mile"
Attachment:
dump.734158.bz2
Description: BZip2 compressed data
Attachment:
signature.asc
Description: Digital signature
