What types of SSDs to use.....

[krichy at tvnetwork.hu]

We use Intel S3700, +1 for that, larger endurance, has power-loss 
protection, and IOPS is very nice.


Kojedzinszky Richard
Euronet Magyarorszag Informatika Zrt.

On Sat, 22 Feb 2014, Julian Elischer wrote:

> Date: Sat, 22 Feb 2014 11:26:29 +0800
> From: Julian Elischer <julian at freebsd.org>
> To: Erik Stian Tefre <erik at tefre.com>, Willem Jan Withagen <wjw at digiware.nl>,
>     fs at freebsd.org
> Subject: Re: What types of SSDs to use.....
> 
> On 2/20/14, 10:02 PM, Erik Stian Tefre wrote:
>>> Hi,
>>> 
>>> I'm looking for advise and suggestions on what SSDs to use for the
>>> ZFS-systems I have and/or am building....
>>> 
>>> I know the difference between SLC en MLC , but beyond that I have not
>>> the best experience with all the older SSD I have lingering about here.
>>> 
>>> Most of them just "disconnect" after a while.
>>> It could be because they have exceeded their wear level and just can not
>>> write any more.  But than that has occurred rather fast.
>>> 
>>> So what types SSD are others using for
>>>     ZIL
>>>     cache
>>> what is your experience with them
>>> 
>> Intel SSDs are good. I've got some handfuls of x25-e, 320, DC S3500 and DC 
>> S3700 running in supermicro servers and none of them have ever failed or 
>> dropped out in any way. The x25-es have been hammered with database loads 
>> 24/7 since 2009 without any issues.
>
> the newest intel drives have enough RAM inhtem to actually index the entire 
> drive in ram, so the performance is a lot better.
> Prior to that they had to hold the index on flash, (with a cache).
>
>> 
>> I use DC S3500 for cache. DC S3700 is probably better for ZIL. (The 3700 
>> has a higher write endurance HET-MLC, 10x the endurance of the S3500 I 
>> think and 4x the write IOPS.)
>> 
>> Here's an interesting SSD stress test report by the way:
>> http://www.extremetech.com/computing/173887-ssd-stress-testing-finds-intel-might-be-the-only-reliable-drive-manufacturer 
>
> doesn't count PCI SSDs..
>
>> 
>> -- 
>> Erik
>> _______________________________________________
>> freebsd-fs at freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
>> To unsubscribe, send any mail to "freebsd-fs-unsubscribe at freebsd.org"
>> 
>
> _______________________________________________
> freebsd-fs at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-fs
> To unsubscribe, send any mail to "freebsd-fs-unsubscribe at freebsd.org"
>