Filesystem corruption

[Volker Wysk]

Am Mittwoch, 26. Juni 2019, 19:32:30 CEST schrieb compdoc:
> On 6/26/19 9:13 AM, Volker Wysk wrote:
> > It's a feature of the device-mapper, called "LVM cache" or "dm-cache".
> > It was quite complicated to set up, especially to get the cache
> > activated at boot time.
> 
> Intel used to have a feature that allowed you to use a small ssd as a
> cache for the system. Back when small ssd were still expensive.

And, there are hybrid SSD/HDDs, which use the SSD as a cache. Don't know what 
where are, price-wise.

> I used it a year, and it blew up twice during that time and had to be
> rebuilt. Worked great otherwise. Never lost any data.
> 
> But with ssd speed, reliability, and low prices, its more reliable to
> boot from them directly and use the hdd as storage. Anything complicated
> to set up means less reliable, harder to trouble-shoot.

But, my way I have SSD speed for the entire system, not just for the SSD.  :-)

That instructions, which I compiled, aren't that hard to follow. Finding out 
how it works (lack of documentation), was the hard part.

> SSDs are still evolving. Now they take them with an m.2 connector, and
> the speeds are incredible. They've stripped off the sata interface and
> thin cable, and now attach them directly to a 4-lane pci-e bus.

Bye
Volker