[CentOS] cyrus spool on btrfs?

Sat Sep 9 16:55:58 UTC 2017
hw <hw at gc-24.de>

m.roth at 5-cent.us wrote:
> hw wrote:
>> Mark Haney wrote:
>>> On 09/08/2017 09:49 AM, hw wrote:
>>>> Mark Haney wrote:
> <snip>
>> Probably with the very expensive SSDs suited for this ...
> <snip>
>>>>
>>>> That´s because I do not store data on a single disk, without
>>>> redundancy, and the SSDs I have are not suitable for hardware RAID.
> <snip>
> That's a biggie: are these SSDs consumer grade, or enterprise grade? It

They are not specifically enterprise rated and especially not for use with
hardware RAID.

> was common knowledge 8-9 years ago that you *never* want consumer grade in
> anything that mattered, other than maybe a home PC - they wear out much
> sooner.

Similar SSDs are in use in a server for about 2 years now as cache for ZFS,
and there haven´t been any issues with them.

> But then, you can't really use consumer grade h/ds in a server. We like
> the NAS-rated ones, like WD Red, which are about 1.33% the price of
> consumer grade, and solid... and a lot less than the enterprise-grade,
> which are about 3x consumer grade.

Those are pretty worthwhile, though not the fastest.  Out of 14, one has
failed over the last 3 years or so, and it was still under warranty.
They do serve their purpose.