02-07-2005
Fomatting Solaris Hard Disk.
Hi Friends !
How long does it take to format a hard disk under Solaris ?
Once the format starts, what data will be cleared or deleted first ? i.e whether the OS is cleared or all the data other than OS is cleared first ?
Then, if the format starts and the power goes off, can i retrieve data?
I came to know that once the format starts, it first clears the boot sectors, so the machine can not be booted again. But, if we can boot the machine by someway, we can still retrieve the data, is it so ??
Can somebody throw some light on this topic.
Thanks,
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LEARN ABOUT SUSE
disktype
DISKTYPE(1) BSD General Commands Manual DISKTYPE(1)
NAME
disktype -- disk format detector
SYNOPSIS
disktype file...
DESCRIPTION
The purpose of disktype is to detect the content format of a disk or disk image. It knows about common file systems, partition tables, and
boot codes.
USAGE
disktype can be run with any number of regular files or device special files as arguments. They will be analyzed in the order given, and the
results printed to standard output. There are no switches in this version. Note that running disktype on device files like your hard disk
will likely require root rights.
See the online documentation at <http://disktype.sourceforge.net/doc/> for some example command lines.
RECOGNIZED FORMATS
The following formats are recognized by this version of disktype.
File systems:
FAT12/FAT16/FAT32, NTFS, HPFS, MFS, HFS, HFS Plus, ISO9660, ext2/ext3, Minix, ReiserFS, Reiser4, Linux romfs, Linux cramfs, Linux
squashfs, UFS (some variations), SysV FS (some variations), JFS, XFS, Amiga FS/FFS, BeOS BFS, QNX4 FS, UDF, 3DO CD-ROM file system,
Veritas VxFS, Xbox DVD file system.
Partitioning:
DOS/PC style, Apple, Amiga "Rigid Disk", ATARI ST (AHDI3), BSD disklabel, Linux RAID physical disks, Linux LVM1 physical volumes, Linux
LVM2 physical volumes, Solaris x86 disklabel (vtoc), Solaris SPARC disklabel.
Other structures:
Debian split floppy header, Linux swap.
Disk images:
Raw CD image (.bin), Virtual PC hard disk image, Apple UDIF disk image (limited).
Boot codes:
LILO, GRUB, SYSLINUX, ISOLINUX, Linux kernel, FreeBSD loader, Sega Dreamcast (?).
Compression formats:
gzip, compress, bzip2.
Archive formats:
tar, cpio, bar, dump/restore.
Compressed files (gzip, compress, bzip2 formats) will also have their contents analyzed using transparent decompression. The appropriate com-
pression program must be installed on the system, i.e. gzip(1) for the gzip and compress formats, bzip2(1) for the bzip2 format.
Disk images in general will also have their contents analyzed using the proper mapping, with the exception of the Apple UDIF format.
See the online documentation at <http://disktype.sourceforge.net/doc/> for more details on the supported formats and their quirks.
HOMEPAGE
http://disktype.sourceforge.net/
AUTHOR
Christoph Pfisterer <chrisp@users.sourceforge.net>
SEE ALSO
file(1), gpart(8)
Feb 21, 2005