Re: [LUG] Using mv command

["M. J. Everitt" <m.j.everitt@xxxxxxx>]

On 28/10/18 20:36, mr meowski wrote:
> On 28/10/2018 19:57, M. J. Everitt wrote:
>> Yes, I met ZFS when I tried out a FreeNAS box for my last employer. Worked
>> pretty nice, and the regular snapshots made backups, and restore, a
>> complete breeze.
>>
>> I've yet to implement on my Linux systems, but as support and maturity
>> grows, I shall have little hesitation to run with it again, and enjoy all
>> the benefits it has. I don't believe there is any other FS around with such
>> a feature-set as ZFS although various people rave about btrfs, xfs, etc etc...
> I was an UNIX guy before Linux (last generation for that I guess?) and 
> of all the cool big iron vendors Sun were my favourite by a mile. So I 
> remember ZFS originally appearing on Solaris like something that had 
> just arrived from space or the future or something. SGI invented XFS and 
> LVM originated from HPUX/AIX/Veritas so I was familiar with all the "big 
> boy toys" years before they bled into Linux.
>
> But ZFS - at least now it's rock solid on Linux - on root (NOT just your 
> data volumes!) will seriously change how you use computers, it's that 
> much of a game changer. ZFS isn't just a filesystem, it's something that 
> you interact with daily once you really adapt to it and starts to 
> infiltrate your workflow in subtle ways. It's hard to explain but the 
> last computer thing that impacted me this profoundly was probably 
> virtual machines. I don't make folders much any more, zfs datasets 
> everywhere. I never operate on single instances of data either - 
> snapshots are free, clones are free, everything is instant. zfs scrubs 
> via cron have already saved me from a few nasty bitrot episodes over the 
> years especially at clients with a lot of legacy data parked on arrays 
> slowly mouldering.
>
> Nothing else can even come close at this point, especially BTRFS (even 
> if it worked properly, which it doesn't). Once you get your head around 
> it as an active participant in your / filesystem and your daily workflow 
> there's no going back - this uncharacteristically makes it a poor 
> candidate for the usual "I'll stuff it in a VM and test it now and 
> again" approach 'cos you just don't get enough hands-on battle testing 
> in with it that way.
>
> Just be prepared to buy more RAM. And then almost immediately start 
> thinking about buying even more RAM haha. In that regard ZFS was the 
> final straw that broke the back of my poor old i5/2500k + 16Gb RAM 
> workhorse - it was still clinging on with ext4/LUKS on sata SSDs but now 
>   it's _really_ feeling the load. Which is fine because that means I'm 
> finally greenlit on treating myself to the workstation upgrade of my 
> dreams* once I've finished upgrading literally all the other creaking 
> outdated crap in my house first.
>
> Anyway, next time you rebuild a personal PC go with ZFS from the start, 
> you'll never look back.
>
> Cheers
>
> * dreams subject to practical downgrade by the missus of course, to stop 
> me spending car money on a computer. Again.
I'd wager that the car has marginally more practical use ... and better
depreciation too...

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