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LEARN ABOUT CENTOS

diskscan

diskscan(1M)						  System Administration Commands					      diskscan(1M)

NAME

       diskscan - perform surface analysis

SYNOPSIS

       diskscan [-W] [-n] [-y] raw_device

DESCRIPTION

       diskscan  is used by the system administrator to perform surface analysis on a portion of a hard disk. The disk portion may be a raw parti-
       tion or slice; it is identified using its raw device name. By default, the specified portion of the  disk  is  read  (non-destructive)  and
       errors  reported  on standard error. In addition, a progress report is printed on standard out. The list of bad blocks should be saved in a
       file and later fed into addbadsec(1M), which will remap them.

OPTIONS

       The following options are supported:

       -n	Causes	diskscan to suppress linefeeds when printing progress information on standard out.

       -W	Causes diskscan to perform write and read surface analysis. This type of surface analysis is destructive  and  should  be  invoked
		with caution.

       -y	Causes	diskscan to suppress the warning regarding destruction of existing data that is issued when  -W is used.

OPERANDS

       The following operands are supported:

       raw_device      The address of the disk drive (see FILES).

FILES

       The raw device should be /dev/rdsk/c?[t?]d?[ps]?. See disks(1M) for an explanation of SCSI and IDE device naming conventions.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Architecture		     |x86			   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       addbadsec(1M), disks(1M), fdisk(1M), fmthard(1M), format(1M), attributes(5)

NOTES

       The  format(1M)	utility is available to format, label, analyze, and repair SCSI disks. This utility is included with the diskscan, addbad-
       sec(1M), fdisk(1M), and fmthard(1M) commands available for x86. To format an IDE disk, use the  DOS format utility; however, to label, ana-
       lyze, or repair IDE disks on x86 systems, use the Solaris format(1M) utility.

SunOS 5.10							    24 Feb 1998 						      diskscan(1M)