On Tue, Mar 18, 2014 at 11:12 PM, Mr.Pine <pine5514@xxxxxxxxx> wrote: > Tnx alot, > > I would run script and send back result. > Regards. > Pine. > > Hi, Scripts is very very slow, so i should write program in c/c++. I need some confidence about data structures and data location on disk. As i reviewed blocks of data: All reserved blocks (GFS2 specific blocks) start by : 0x01161970 Blocktype store location is at Byte # 8, Type of start block of each resource group is: 2 Bitmaps are in block types 2 & 3. In block type 2, bitmap info starts from Byte # 129 In block type 3, bitmap info starts from Byte # 25 Length of RGs are const, 5 in my volume (out put of gfs2_edit -p rindex /dev/..) Is this info right? Logic of my program seams should be like this: (1) Loop in device and temporary store block id of dinode blocks, and also their bitmap locations (2) Change bitmap of blocks to 3 (11) Bob, could you confirm this? Regards Pine. -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
