[plug] SSD Firmware update

[Marcos Carot]

I always try to buy devices that are in https://fwupd.org/

if they are, it is as simple as sudo fwupdmgr update



On Wed, 22 Apr 2026 at 13:55, Brad Campbell via plug <plug at plug.org.au>
wrote:

> I have a couple of machines with Crucial T500 NVME drives in them. A
> casual check this morning indicated I'd forgotten to update the firmware on
> one of them when I installed it a year or so ago and it was 2 versions
> behind.
> No major issues, just one of those "Oh, I missed that" sort of things with
> the newer versions fixing some bugs I was unlikely to run into given my use
> pattern.
>
> Crucial are one of those sane organisations that supply firmware updates
> as a USB bootable ISO image rather than requiring some obscene bit of
> Windows malware to do the job.
> The machine in question is the house/office server. It runs a pile of
> stuff and it's one of those "I don't reboot it unless I really need to"
> sort of boxes.
>
> I downloaded the firmware zip file, unzipped it and was about to dd it to
> a USB stick "for later" when it occurred to me to have a look at the
> contents.
> A loopback mount showed it was a basic EFI / Grub hybrid both of which
> loopback loaded a file called corepure.gz. Having a look into that showed
> it was a gzipped cpio archive of a small Linux setup.
>
> Neato, let's extract that and have a look. A bit of poking showed along
> with some very clever "failsafe" scripting, the firmware was in
> /opt/firmware and the executable was /sbin/msecli.
> A bit of examination and experimentation and I had the new firmware
> loaded, reset the drive with an "nvme reset /dev/nvme0" and all good
> without having to reboot.
>
> Thanks Crucial! On the other hand, I'd be more than happy to cast Samsung
> into the Pit of Despair for their windows crapware.
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-- 
Marcos R Carot
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