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 Forum index » House Training » Beginners Help ( Start Here)
I don't like some USB sticks or USB cards brrrrrr!
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oui

Joined: 20 May 2005
Posts: 3503
Location: near Woof (Germany) :-) - 3 PC's: DELL SX280 750 MB Pentium4, Acer emachines 2 GB AMD64. DELL XPS15

PostPosted: Wed 17 Jul 2019, 17:00    Post subject:  I don't like some USB sticks or USB cards brrrrrr!
Subject description: Read-only USB memory! What is to do to commute to read/write?
 

After the deception today don't to have success to start easyOS, new French Version, a second time ( http://murga-linux.com/puppy/viewtopic.php?p=1032417#1032417) I did come back to my lovely wary6406.99.iso where I am now to write those both messages...

And I will try to write the iso insteat the img on an other support, a 64 Mb USB key, where puppy_jessie_6.4.2.sfs is installed (probably by puppy_jessie_6.4.2.sfs itself, I can't remember)

My purpose was to move the files into an dir /puppy_jessie on the stick and copy the same ones from the easyOS ISO, not img, to remplace them hopping it starts as well as puppy jessie

but

nothing to do, rox answers

Quote:
Mkdir: Read only file system


hm?

what now?
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Mike Walsh


Joined: 28 Jun 2014
Posts: 5797
Location: King's Lynn, UK.

PostPosted: Thu 18 Jul 2019, 09:28    Post subject:  

@ oui:-

Ah, the good old 'read-only' filesystem...

You're not, by any chance, using a SanDisk stick/card there, are you? SanDisk have had more than their fair share of hassle over the years with this phenomenon.....much of it related to their ongoing, long, drawn-out court battle with the chip manufacturer Hynix.

FACT:- Once a stick/card has gone 'read-only', it's no good anymore. The best place for it is the bin.....it's time to buy a replacement for it. It's got nothing to do with your operating system; the 'controller chip' has gone bad internally.....specialists may be able to do something with it, but to all intents & purposes, it cannot be 'fixed'.


Mike. Wink

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phat7

Joined: 05 Jun 2015
Posts: 164

PostPosted: Thu 18 Jul 2019, 09:59    Post subject:  

Mike Walsh wrote:
specialists may be able to do something with it, but to all intents & purposes, it cannot be 'fixed'.:
Funny, I am not a specialist but every time it happened to me I always could fix it. That's a FACT Wink
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Mike Walsh


Joined: 28 Jun 2014
Posts: 5797
Location: King's Lynn, UK.

PostPosted: Thu 18 Jul 2019, 10:51    Post subject:  

phat7 wrote:
Mike Walsh wrote:
specialists may be able to do something with it, but to all intents & purposes, it cannot be 'fixed'.:
Funny, I am not a specialist but every time it happened to me I always could fix it. That's a FACT Wink


@ phat7:-

Would you, by any chance, care to divulge your method.....for everybody's benefit (not just mine)?

Could be useful to know! Smile


Mike. Wink

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jafadmin

Joined: 19 Mar 2009
Posts: 1135

PostPosted: Thu 18 Jul 2019, 14:05    Post subject:  

A flash drive is a physical device. A "filesystem" is a virtual device on a physical device.

They are two separate things.

A flash drive can be nuked then re-tabled/partitioned/formatted.
Code:
dd bs=1M if=/dev/zero of=/dev/sdc count=10

Where "sdc" is the flash drive.
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musher0

Joined: 04 Jan 2009
Posts: 14715
Location: Gatineau (Qc), Canada

PostPosted: Thu 18 Jul 2019, 15:04    Post subject:  

Hello oui.

If by USB cards you mean SD memory cards, those have a lock on the side, like
diskettes and floppies used to have.

Have you checked if the lock on your card is in the "off" position? If the lock is on,
any file on your card becomes read-only.

BFN.

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Je suis né pour aimer et non pas pour haïr. (Sophocle) /
I was born to love and not to hate. (Sophocles)

Last edited by musher0 on Thu 18 Jul 2019, 19:58; edited 1 time in total
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8Geee


Joined: 12 May 2008
Posts: 2119
Location: N.E. USA

PostPosted: Thu 18 Jul 2019, 18:15    Post subject:  

I believe GParted can also "delete" the partition(s) then Device --> Create Partition Table. The default is MS-DOS... thats OK. WARNING: backup ALL data on the device. It will be erased.

Regards
8Geee

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jafadmin

Joined: 19 Mar 2009
Posts: 1135

PostPosted: Thu 18 Jul 2019, 21:19    Post subject:  

8Geee wrote:
I believe GParted can also "delete" the partition(s) then Device --> Create Partition Table. The default is MS-DOS... thats OK. WARNING: backup ALL data on the device. It will be erased.

Regards
8Geee


Gparted doesn't wipe the device, it just overwrites it. Overwriting doesn't always clean up corruption on a device.

Wiping the first 10M of the device with zeros insures it is a blank slate.
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phat7

Joined: 05 Jun 2015
Posts: 164

PostPosted: Thu 18 Jul 2019, 21:43    Post subject:  

Mike Walsh wrote:
Would you, by any chance, care to divulge your method.....
A method would depend on things oui didn't tell us.
We don't know if it is a USB stick with on-board controller or a controller-less SD card. We can ignore this for now since a bad controller would not be my prime suspect.
Obviously the USB device is not dead. The system recognizes it and I *assume* that Rox can still read files.
I also *assume* that the stick/card is FAT32 formatted.
If so then my preferred method is to use MS Windows and its repair utility to check/repair errors in the file system. I never had success with Puppy's fsck and dosfsck utilities. I leave it to MS to repair its own fs. The only reason why I still keep Win7 in the closet.
Another method would be to say good bye to the data and reformat the stick/card. Luckily I never had to wipe.
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8Geee


Joined: 12 May 2008
Posts: 2119
Location: N.E. USA

PostPosted: Fri 19 Jul 2019, 04:56    Post subject:  

Loading a puppy into a separate partition using ext3/4 is the better starting point. If you must have a Win-OS also, keep it separate with all its hoops and tricks and FAT32. Using a CD/DVD as a starting point can call GParted to make that puppy-partition and format it.

JMH2bits
8Geee

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Mike Walsh


Joined: 28 Jun 2014
Posts: 5797
Location: King's Lynn, UK.

PostPosted: Fri 19 Jul 2019, 08:37    Post subject:  

phat7 wrote:
Mike Walsh wrote:
Would you, by any chance, care to divulge your method.....
A method would depend on things oui didn't tell us.
We don't know if it is a USB stick with on-board controller or a controller-less SD card. We can ignore this for now since a bad controller would not be my prime suspect.
Obviously the USB device is not dead. The system recognizes it and I *assume* that Rox can still read files.
I also *assume* that the stick/card is FAT32 formatted.
If so then my preferred method is to use MS Windows and its repair utility to check/repair errors in the file system. I never had success with Puppy's fsck and dosfsck utilities. I leave it to MS to repair its own fs. The only reason why I still keep Win7 in the closet.
Another method would be to say good bye to the data and reformat the stick/card. Luckily I never had to wipe.


Which in my case is not an option. We haven't had Windoze in this house for many years..!

I had a feeling that's what you were going to say..... Smile


Mike. Wink

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bigpup


Joined: 11 Oct 2009
Posts: 13176
Location: S.C. USA

PostPosted: Fri 19 Jul 2019, 09:22    Post subject:  

Quote:
Which in my case is not an option. We haven't had Windoze in this house for many years..!

so, you have no reason to use Windows formats.

The file system tools in Puppy will work very well to check and fix Linux formats.
e2fsck

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phat7

Joined: 05 Jun 2015
Posts: 164

PostPosted: Fri 19 Jul 2019, 09:41    Post subject:  

bigpup wrote:
The file system tools in Puppy will work very well to check and fix Linux formats.
e2fsck
Oui didn't say which file system his stick uses.
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