Re: Ceph cluster with SSDs

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On Sun, 20 Aug 2017 08:38:54 +0200 Sinan Polat wrote:

> What has DWPD to do with performance / IOPS? The SSD will just fail earlier, but it should not have any affect on the performance, right?
> 
Nothing, I listed BOTH reasons why these are unsuitable.

You just don't buy something huge like 4TB SSDs and expect to just write
40GB/day to them in.

> Correct me if I am wrong, just want to learn.
>
Learning is easy if you're will to make a little effort.
Just like the OP you failed to search for "Samsung Evo Ceph" and find all
the bad news like in this result:

https://forum.proxmox.com/threads/slow-ceph-journal-on-samsung-850-pro.27733/
 
Christian
> 
> > Op 20 aug. 2017 om 06:03 heeft Christian Balzer <chibi@xxxxxxx> het volgende geschreven:
> > 
> > DWPD  
> 
> 


-- 
Christian Balzer        Network/Systems Engineer                
chibi@xxxxxxx   	Rakuten Communications
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