06-09-2004
Hello,
First, I apologize in advance for bringing up a question that probably has been answer somewhere in the forum (I've been searching for hours and I finllay decided to post, I'm definitely a noob to UNIX, again sorry).
I am trying to do the same as the original poster, copy/mirror a drive (entire contents) for purpose of backup. Basically duplicate contents of an existing SCSI HardDrive running UNIX SCO Ver.5.0.6 to a new HD, then boot it with a newly backed-up drive to make sure that it works properly.
Reason for this exercise is to make sure that I have a working backup copy before I could setting up RAID or do other potentially stupid things.
I have been reading and sounds like "dd" or "cpio" would do the trick, but I like the simplicity of "dd" unless I misunderstood its functions. I'm a complete newb to UNIX so this could easily happen.
So, is this the path once the backup HD is installed and detected?
dd if=/dev/hda of=/dev/hdb
(where, hda = current drive, hdb = new drive)
If so, any risks or cautions of what not to do?? thank you!!!
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LEARN ABOUT OPENSOLARIS
volcheck
volcheck(1) User Commands volcheck(1)
NAME
volcheck - checks for media in a drive and by default checks all floppy media
SYNOPSIS
volcheck [-v] [-i secs] [-t secs] pathname
DESCRIPTION
The volcheck utility tells volume management to look at each dev/pathname in sequence and determine if new media has been inserted in the
drive.
The default action is to volcheck all checkable media managed by volume management.
OPTIONS
The following options are supported:
-i secs Set the frequency of device checking to secs seconds. The default is 2 seconds. The minimum frequency is 1 second.
-t secs Check the named device(s) for the next secs seconds. The maximum number of seconds allowed is 28800, which is 8 hours. The fre-
quency of checking is specified by -i. There is no default total time.
-v Verbose.
OPERANDS
The following operands are supported:
pathname The path name of a media device.
EXAMPLES
Example 1 A sample of the volcheck command.
The following example
example% volcheck -v /dev/diskette
/dev/diskette has media
asks volume management to examine the floppy drive for new media.
The following example
example% volcheck -i 2 -t 600 /dev/diskette1 &
asks volume management if there is a floppy in the floppy drive every 2 seconds for 600 seconds (10 minutes).
FILES
/dev/volctl volume management control port
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWvolu |
+-----------------------------+-----------------------------+
SEE ALSO
eject(1), rmmount(1M), attributes(5)
WARNINGS
Due to a hardware limitation in many floppy drives, the act of checking for media causes mechanical action in the floppy drive. Continu-
ous polling of the floppy drive will cause the drive to wear out. It is recommended that polling the drive only be performed during periods
of high use.
SunOS 5.11 28 Feb 2007 volcheck(1)