Re: else or Debian (Re: ZFS performance (was: Re: deduplicating file systems: VDO with Debian?))

[DdB]

Am 10.11.2022 um 04:46 schrieb hw:
> On Wed, 2022-11-09 at 18:26 +0100, Christoph Brinkhaus wrote:
>> Am Wed, Nov 09, 2022 at 06:11:34PM +0100 schrieb hw:
>> [...]
>>> FreeBSD has ZFS but can't even configure the disk controllers, so that won't
>>> work.  
>>
>> If I understand you right you mean RAID controllers?
> 
> yes
> 
>> According to my knowledge ZFS should be used without any RAID
>> controllers. Disks or better partions are fine.
> 
> I know, but it's what I have.  JBOD controllers are difficult to find.  And it
> doesn't really matter because I can configure each disk as a single disk ---
> still RAID though.  It may even be an advantage because the controllers have 
> 1GB
> cache each and the computers CPU doesn't need to do command queuing.
> 
> And I've been reading that when using ZFS, you shouldn't make volumes with 
> more
> than 8 disks.  That's very inconvenient.
> 
> Why would partitions be better than the block device itself?  They're like an
> additional layer and what could be faster and easier than directly using the
> block devices?
> 
> 
hurts my eyes to see such desinformation circulating. But i myself am
only one happy zfs user for a decade by now. I suggest to get in contact
with the zfs gurus on ZoL (or read the archive from
https://zfsonlinux.topicbox.com/groups/zfs-discuss)