LazerFX

As "three dead trolls in a baggie" famously sung... "Every OS Sucks".

As true today as when it was first penned.

No worries... It's a pretty obscure math joke anyway :⁠-⁠P

Maths - sin, tan and cos are all factors of the rotation of a circle, hence pi being on there. I'm not a mathematician, I just watch standup maths and can recommend his book, "love triangle" to explain this sort of stuff.

The ICO in the UK is pretty good... I used to work on their CRM system and it was an eye opener how little, and also how big the things they investigated were.

I'm in the UK. I'll never brag about our train system, not after Twatcher privatised them, and further back the horrific Beeching cuts.

The rest - yeah, worth it.

This is illegal in UK and Europe...

Getting 1 star on GitHub

Well, now you've called it out, I've got to updeet it.

According to the man(8) page, it will avoid touching any blocks that have the chattr -f flag set, which is XSR_XFLAGS_NODEFRAG... So I think if the docs are still accurate to the code, yes.

A lot of ifs in that assumption.

I understood that XFS automatically mounted SSD's with XFS_XFLAG_NODEFRAG set? Is this not the case?

That's because the drive was written to its limits; the defrag runs a TRIM command that safely releases and resets empty sectors. Random reads and sequential reads /on clean drives that are regularly TRIMmed/ are within random variance of each other.

Source: ran large scale data collection for a data centre when SSDs were relatively new to the company so focused a lot on it, plus lots of data from various sectors since.