Disk Management Commands

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Diskpart Command

• diskpart is command interface underlying the Disk Management tool
• many commands included
• To inspect disks and partitions:
  • diskpart to run the utility
  • select disk 0 to select a disk by its number
  • detail disk to display config info for the disk
  • select partition 0 or select volume 0 to check partition/volume
  • detail partition/volume
    • assign to change drive letter
    • delete to destroy the volume
    • extend to extend the size
  • exit to exit

Format Command

• format writes a new file system to a drive
• deletes existing data on the drive
• format X:/fs:SYS where SYS is the file system type (NTFS, FAT32, etc.)
• /q suppresses scan for bad sectors
  • scans by default without this

chkdsk Command

• chkdsk scans the file system and/or disk sectors for faults and can attempt to repair and problems
  • autochk uns at boot and does this automatically
• 3 ways to run the tool
  • chkdsk X: with drive letter runs in read-only mode
    • reports whether errors need to be repaired
  • chkdsk X: /f attempts to fix system errors
  • chkdsk X: /r fixes file system errors and attempts recovery of bad sectors
    • recoverable data is copied to root dir as filennn.chk files
• can take a long time to run, cancelling scan is not recommended