How to copy my system hdd usb stick from 4GB to 8GB ? Post: 302302591

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Top Forums UNIX for Dummies Questions & Answers How to copy my system hdd usb stick from 4GB to 8GB ? Post 302302591 by jack2 on Tuesday 31st of March 2009 11:19:04 AM

03-31-2009

Banned

Quote:

Originally Posted by pludi

Let me see if I understood this right, your layout is something like this (using /dev/sdg for the stick):

/dev/sdg1 swap swap
/dev/sdg2 ? /opt
/dev/sdg3 ? ?

Is the system, as you called it, on /dev/sdg3? Has the device to be bootable?

As a side node, using a flash-drive partition as swap is generally a bad idea, since they only survive about 10000 write cycles.

Exactly the case I need to have spare flash hdd system stick - scsi device.
How long does it for 100000 write cycles to complete ?

I suppose, the device has to be bootable.
Linux firmware is already installed in router's internal flash memory.
hdd flash usb stick as system with
part1 swap
part2 /opt
part3 /tmp data

I can use router if hdd usb flash stick is in and out.
In case it's out, I get standard router's functionality by Asus.
With usb stick in I get access to ipkg packages, installed applications,
root access and more.

As it took me months to install and configure some applications
and recently I native compiled Unix Linux dialog utility with examples running and being tested, I need to keep my Linux environment as safe as possible, keeping spare system usb flash for use in case it is necessary.

thanks

Jack

jack2

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LEARN ABOUT REDHAT

ftl_cs

FTL_CS(4)						     Kernel Interfaces Manual							 FTL_CS(4)

NAME

       ftl_cs - Flash Translation Layer driver for PCMCIA memory cards

SYNOPSIS

       insmod ftl_cs.o [pc_debug=n] [major_dev=n]

DESCRIPTION

       Flash  memory  devices typically need to be erased before they are written, and most flash devices can only be erased on large block bound-
       aries like 64K or 128K.	The Flash Translation Layer driver, ftl_cs, implements a sort of  virtual  sector-addressable  block  device  that
       hides the details of erase operations.  Using the FTL driver, a flash memory card can be treated as an ordinary block device.

       The  ftl_cs  driver allocates a major device number when it is loaded.  Minor device numbers have a bitwise layout of 'dddrrppp'.  'ddd' is
       the device number, with one card counting as one device.  'rr' is the common-memory region number, generally 0.	And 'ppp' selects a  logi-
       cal partition within the FTL region.

       The default configuration script for FTL devices will create a block device with the name of the form '/dev/ftl{d}c{r}', where '{d}' is the
       device number and '{r}' is the region number, that spans the entire FTL region.	It also creates devices  '/dev/ftl{d}c{r}p[1-4]'  pointing
       to partitions 1 through 4 within this FTL region.

       An  FTL	region	must  be  formatted before use.  The formatting utility, ftl_format, needs to write to the corresponding raw memory device
       rather than the FTL device interface.

PARAMETERS

       pc_debug=n
	      Selects the PCMCIA debugging level.  This parameter is only available if the module is compiled with debugging enabled.  A  non-zero
	      value enables debugging.

       major_dev=n
	      Selects the major device number to allocate for FTL devices.  The default is to pick any available major number.

AUTHOR

       David Hinds - dahinds@users.sourceforge.net

SEE ALSO

       ftl_format(8), cardmgr(8), memory_cs(4), pcmcia(5).

pcmcia-cs							2000/06/12 21:24:47							 FTL_CS(4)