I'm bumping this for lack of reply. I know you all are busy. fsck.hfs /dev/md0 after build sends a core dump. Not clear to me what I'm doing wrong. Thanks. On 3 May 2017 at 15:44, Alfred Matthews <asm13243546@xxxxxxxxx> wrote: > Sorry to disappear for a bit. > > Of necessity I've migrated to another working system and I'm in Arch. > Utility here is fsck.hfs as opposed to hpfsck. I'd like to post that > output. > > mdadm --build /dev/md0 --level=0 -n2 --chunk=8K /dev/sdb2 /dev/sdc2 > > works, then, > > fsck.hfs -v /dev/md0 > *** Checking volume MDB > drSigWord = 0xffffffff > drCrDate = Mon Feb 6 06:28:15 2040 > drLsMod = Mon Feb 6 06:28:15 2040 > drAtrb = BUSY | HLOCKED | UMOUNTED | BBSPARED | BVINCONSIS | > COPYPROT | SLOCKED > drNmFls = 65535 > drVBMSt = 65535 > drAllocPtr = 65535 > drNmAlBlks = 65535 > drAlBlkSiz = 4294967295 > drClpSiz = 4294967295 > drAlBlSt = 65535 > drNxtCNID = 4294967295 > drFreeBks = 65535 > drVN = "" > drVolBkUp = Mon Feb 6 06:28:15 2040 > drVSeqNum = 4294967295 > drWrCnt = 4294967295 > drXTClpSiz = 4294967295 > drCTClpSiz = 4294967295 > drNmRtDirs = 65535 > drFilCnt = 4294967295 > drDirCnt = 4294967295 > drEmbedSigWord = 0xffff > drEmbedExtent = 65535[65535..131069] > drXTFlSize = 4294967295 > drXTExtRec = > 65535[65535..131069]+65535[65535..131069]+65535[65535..131069] > drCTFlSize = 4294967295 > drCTExtRec = > 65535[65535..131069]+65535[65535..131069]+65535[65535..131069] > Bad volume signature (0xffffffff); should be 0x4244. Fix? y > Volume creation date is in the future (Mon Feb 6 06:28:15 2040). Fix? y > Volume last modify date is in the future (Mon Feb 6 06:28:15 2040). Fix? y > Volume bitmap starts at unusual location (1), not 3. Fix? y > *** Checking volume structure > *** Checking extents overflow B*-tree > > It's possible that I was unwise in accepting the changes from fsck. > >>> >>> How is your C coding? You could >>> apt-get source hfsplus >>> and hack the code and try to build it yourself.... >>> > > Still fine. By now not clear if this is what's needed. > > Al -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html