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  • 1.  check hard disk drive for bad sectors/blocks errors etc.

    Posted Jul 05, 2007 01:30 PM
    Hi,

    I am wondering whether gdisk32 v11 can check and mark the drive for bad sectors for an NTFS partition.

    Looking at the Symantec Ghost Implementation Guide for ghost version 11.0, particularly gdisk32, when creating a primary partition and formatting it, if you specify /ntfs or /ntfs:vista, the command returns almost immediately.  Also in previous versions of ghost in the reference guide they talked about gdisk marking bad sectors with a format without the /q.  But in the new version v11 there is no meantion of this.

    example : gdisk32 1 /del /all

    now create a partition the size of the entire drive space
    gdisk32 1 /cre /pri /for /ntfs:vista
    --this command creates a partition, but must be doing a quick format by default because the command returns immediately.  I am assuming here that it does not check for and mark bad sectors on the drive.

    on the other hand, the command:
    gdisk32 1 /cre /pri /for
    --this command creates a fat32 partition, but takes about an hour to complete.  I am assuming here that it is checking an marking bad disk sectors as it goes, this is a guess.

    Am i doing this command wrong or is there a similar one that will perform a check of bad disk sectors/blocks?

    I know that gdisk32 /wipe /del /all /dodwipe will write 0x67 to all sectors of the drive, but does writing to a sector that is corrupted/bad get remapped?  What I mean here is it marking bad sectors as it wipes the disk or is it just blindly writing to each sector and not verifying the disk writes??





  • 2.  RE: check hard disk drive for bad sectors/blocks errors etc.

    Posted Jul 10, 2007 01:28 AM
    Hi Mark,

    yeah, gdisk32 ntfs format doesn't mark bad sectors.
    I'm pretty sure the diskwipe will just write to all sectors blindly regardless of its health since its main purpose is to clear data.