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USB memory stick quality [was: "Proper" filesystem for Debian installed on a flash drive]

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On Thu, Sep 30, 2021 at 10:13:48PM +0200, Marco Möller wrote:

[...]

> What I suggest you to consider:
> (1) Although never having had trouble myself, for being prepared for
> a USB hardware failure, which others are warning of [...]

Not my main file system just the backups, but this is a very important
point. I've seen wild variations in quality.

The way I do backups is to set up an (LUKS encrypted) ext4 and to
rsync the important things (a sprinkling of rsync filters help
keeping unnecessary cruft out of the way).

That said, I've used one (cute, very small) 64GB stick for years
without a problem. Forgot the brand.

Once I realised that space was going to be exhausted, I bought a
replacement (128GB; lsusb says "ID 13fe:6300 Kingston Technology
Company Inc."). It behaved somewhat erratically. I acquired the
routine of making an fsck before each backup, and most of the
time it would develop file system errors just by sitting on the
shelf for some time (days).

Next stick. On the shell it says "(Intenso)". Lsusb reports
"ID 090c:2000 Silicon Motion, Inc. - Taiwan (formerly Feiya
Technology Corp.)". Its first incarnation started throwing errors
two days after buying it (I don't know whether it was "lsusb
equivalent" to the current one, mind you). I went to the
shop, complained and got a replacement.

Since then, an fsck is part of my backup routine (actually
two: one before mounting, one after unmounting). After a month,
not one failed. Whether it starts some day having more and
more failures or it breaks down catastrophically... we'll see.

I take two lessons out of it:

(1) quality of those things scatters widely. Do take Marco's
advise seriously and have always a Plan B. In my case, it's
Just A Backup (TM), so I make it so my main disk doesnt
fail until I find a replacement stick ;-@

(2) I have the hunch that the name on the shell bears little
relation to the guts inside. The latter are whatever the vendor
putting its name on the outside can scavenge cheaply off the
market at some point in time. So trading brand names might
be possibly misleading ;-)

Cheers
 - t

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Thread

"Proper" filesystem for Debian installed on a flash drive Nate Bargmann <n0nb@n0nb.us> - 2021-09-29 15:10 +0200
  Re: "Proper" filesystem for Debian installed on a flash drive Reco <recoverym4n@enotuniq.net> - 2021-09-29 16:50 +0200
    Re: "Proper" filesystem for Debian installed on a flash drive Nate Bargmann <n0nb@n0nb.us> - 2021-09-29 18:40 +0200
      Re: "Proper" filesystem for Debian installed on a flash drive Brian <ad44@cityscape.co.uk> - 2021-09-29 19:50 +0200
        Re: "Proper" filesystem for Debian installed on a flash drive Nate Bargmann <n0nb@n0nb.us> - 2021-09-30 02:00 +0200
    Re: "Proper" filesystem for Debian installed on a flash drive Nate Bargmann <n0nb@n0nb.us> - 2021-09-30 04:00 +0200
      Re: "Proper" filesystem for Debian installed on a flash drive Reco <recoverym4n@enotuniq.net> - 2021-09-30 09:10 +0200
      Re: "Proper" filesystem for Debian installed on a flash drive Anssi Saari <as@sci.fi> - 2021-10-01 08:10 +0200
  Re: "Proper" filesystem for Debian installed on a flash drive David Christensen <dpchrist@holgerdanske.com> - 2021-09-29 23:40 +0200
    Re: "Proper" filesystem for Debian installed on a flash drive Nate Bargmann <n0nb@n0nb.us> - 2021-09-30 02:10 +0200
  Re: "Proper" filesystem for Debian installed on a flash drive Marco Möller <talby@debianlists.mobilxpress.net> - 2021-09-30 22:20 +0200
    Re: "Proper" filesystem for Debian installed on a flash drive Nate Bargmann <n0nb@n0nb.us> - 2021-10-01 03:10 +0200
      Re: "Proper" filesystem for Debian installed on a flash drive "Rick Thomas" <rick.thomas@pobox.com> - 2021-10-01 04:00 +0200
        Re: "Proper" filesystem for Debian installed on a flash drive Marco Möller <talby@debianlists.mobilxpress.net> - 2021-10-01 18:20 +0200
    USB memory stick quality [was: "Proper" filesystem for Debian  installed on a flash drive] <tomas@tuxteam.de> - 2021-10-01 08:50 +0200
      Re: USB memory stick quality [was: "Proper" filesystem for Debian  installed on a flash drive] Cindy Sue Causey <butterflybytes@gmail.com> - 2021-10-01 12:00 +0200
        Re: USB memory stick quality [was: "Proper" filesystem for Debian  installed on a flash drive] Jude DaShiell <jdashiel@panix.com> - 2021-10-01 13:30 +0200
          Re: USB memory stick quality [was: "Proper" filesystem for Debian  installed on a flash drive] <tomas@tuxteam.de> - 2021-10-01 13:50 +0200

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