How to copy my system hdd usb stick from 4GB to 8GB ? Post: 302302879

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Top Forums UNIX for Dummies Questions & Answers How to copy my system hdd usb stick from 4GB to 8GB ? Post 302302879 by jack2 on Wednesday 1st of April 2009 08:55:55 AM

04-01-2009

Banned

Quote:

Originally Posted by pludi

Just to get the background right: why would an embedded device need additional software? And user-interactive on top of that? Those devices are usually intended for the cycle of "power on -> setup -> ignore -> scrap", with at little user interaction as possible. If you want a "full" Linux on there, take a look at DD-WRT and it's cousins.

Anyhow, given what you told me, there's nothing essential to the boot process on that stick, so it's a simple partiton, format, cp -a.

As for the flash memory, I remembered wrong by an order of magnitude, it's 100 000 write cycles (linky). I just wanted to warn you since a friend of mine thought it a great idea to keep his swap partition on a flash drive. It didn't even survive first boot.

My dear friend,

I exactly have "full" Linux, cousin of DD-WRT installed.
So stick is made of 3 partitions, already mentioned by me.
For swap partition there is no need to copy anything, just create swap partition and set swap on.

For /opt partition (system files, applications, full Linux) I need to
mirror or clone it on another stick.
Please tell me if copy can preserve symbolic links, already created on
part2, part3 (for data) ?

I run 2 router-servers with full Linux and swap partition is on a stick
and one has been in operation for the last 4 months as 10-man small network router/server and another one is for tests.
I have one another spare router, exactly to replace that one serving small network, in case of problems.

So I need to have it maintained as a mirror copy.
I can transfer firmware, configuration file from router's internal flash nvram memory, as they come as open source Linux.
The issue is usb stick
partitioned to 1, 2, 3

I will try with copy today and will report you my success or failure.

Ok. I was told about problems with a swap partition on usb stick
but this solution was advised to me by project developers and it worked for me.

Asus Eee netbooks come with Linux and SSD memory only,
and I would like to know in what SSD memory so special for swap partition,
as come sticks come already marketed as SSD stick.

In either case I need to learn how to mirror such stick, partitioned to part1, part2, part3.

thanks

Jack

jack2

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LEARN ABOUT REDHAT

lsusb

lsusb(8)							Linux USB Utilities							  lsusb(8)

NAME

       lsusb - list all USB devices

SYNOPSIS

       lsusb [options]

DESCRIPTION

       lsusb is a utility for displaying information about all USB buses in the system and all devices connected to them.

       To make use of all the features of this program, you need to have Linux kernel 2.3.15 or newer which supports the /proc/bus/usb interface.

OPTIONS

       -v     Tells lsusb to be verbose and display detailed information about all devices.

       -vv    Tells lsusb to be very verbose and display even more information (actually everything the PCI device is able to tell).

       -s [[<bus>]:][<devnum>]]
	      Show only devices in specified bus and devnum.

       -d [<vendor>]:[<product>]
	      Show only devices with specified vendor and product ID. Both ID's are given in hexadecimal and may be omitted.

       -p <procpath>
	      Use another path instead of /proc/bus/usb.

       -D <device>
	      Do not scan the /proc/bus/usb directory, instead display only information if the device whose device file is given.

       -t     Tells lsusb to dump the physical USB device hierarchy as a tree.

FILES

       /usr/share/hwdata/usb.ids
	      A list of all known USB ID's (vendors, products, classes, subclasses and protocols).

       /proc/bus/usb
	      An  interface  to USB devices provided by the post-2.3.15 Linux kernels. Contains per-bus subdirectories with per-device files and a
	      devices file containing a list of all USB devices.

SEE ALSO

       lspci(8)

AUTHOR

       Thomas Sailer, <sailer@ife.ee.ethz.ch>.

usbutils-0.2							 14 September 1999							  lsusb(8)