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ps3_hdd_reader /dev/loop0 write_block ufs2_sb.bin 0x800A0 0x3 Windows: ps3_hdd_reader.exe hdd write_block ufs2_sb.bin 0x800A0 0x3 We set it to FS_OPTSPACE (1) for minimize disk fragmentation.Īfter we have saved the file ufs2_sb.bin, we can write it back to the PS3 HDD with the command write_block. The original value for fs_optim is FS_OPTTIME (0), the file system is We open the ufs2_sb.bin file in the hex editor and change the configuration parameters. Now, that we've dumped the ufs2 superblock of our gameOS partition, we could try this out.įirst I make a copy of the file ufs2_sb.bin, named ufs2_sb_org.bin, so that I can restore the original state of my HDD, if my changes should cause problems. #define FS_OPTSPACE 1 /* minimize disk fragmentation */ #define FS_OPTTIME 0 /* minimize allocation time */ S32 fs_minfree // 0x003C: minimum percentage of

To do this, he edited 2 configuration parameters in the ufs2 superblock:
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In September 2018, einsteinx2 posted a tutorial on on how to get more free space out of your PS3 Now I have the file ufs2_sb.bin in my program folder. ps3_hdd_reader /dev/sdb read_block ufs2_sb.bin 0x800A0 0x3 Windows: ps3_hdd_reader.exe hdd read_block ufs2_sb.bin 0x800A0 0x3 Linux. I dump 3 sectors starting with sectorĠx800A0 on the HDD into the file ufs2_sb.bin. 0x19540119, this is the magic number for a ufs2 partition. I find the magic number at offset 0x055C of the superblock. Windows: ps3_hdd_reader.exe hdd print 0x800A2 Linux. I want to be even more secure and see two sectors further In the middle of the sector at offset 0xD4 of the superblock I immediately see the "fs mount name string", "/cell_mw_cfs", that's good. Windows: ps3_hdd_reader.exe hdd print 0x800A0 Linux. Just toīe on the safe side, I check the first sector of the superblock with print command.

I add the 0x80 sectors to the start of the partition and get the sector number 0x800A0. With a ufs2 partition, the superblock starts always at sector 128(0x80). From sector 0x0 I see that the second partition That means that the first partition on my HDD is the vflash partition.

Windows: ps3_hdd_reader.exe hdd print 0x0 Linux. I have to find out where the gameOS partition begins. I start by letting the print command print out sector 0, the first sector of the main partition table. Let's say I want to dump the superblock of the ufs2 gameOS partition. The read_block command dumps sectors in plain text into a file.
