[geeks] R720 NAS, continued

[Kevin Lee]

I pay about 120 a pop for sas 3  2tb enterprise drives.   Non smr.  Very nice
performance.  That worked out well for smaller capacity arrays.
FYI.

> On 18 Jan 2022, at 23:15, Mark Benson <md.benson at gmail.com> wrote:
>
> o;?Hi,
>
> Yeah I paid extra on both our Dell R-series 1Us specifically to get 3.5b

> drives. Their 2.5b
 options were either too small, fast and super-expensive
> or the right size (multi-TB) amd specs suggesting theybd be painfully
slow.
>
> I guess 2.5b
 is fine if you can afford to drop $500 a drive for 2TB drives
> that actually keep up.
>
> b
>
> Mark
>
> Sent from my iPad
>
>> On 18 Jan 2022, at 15:06, Phil Stracchino <phils at caerllewys.net> wrote:
>>
>> o;?So I've discovered that there's a non-obvious drawback to the PowerEdge
> R720 as a NAS.  It's the 2.5" drive bays, combined with the fact that ALL
2.5"
> spinning-rust drives of 2TB or larger are SMR.  ALL of them. And to make
> matters worse they're almost all 5400rpm.
>>
>> I've heard SMR drives are slower on writes.  We probably all have.  I
hadn't
> realized HOW MUCH slower.  Dear gods.  They are GLACIAL.  It's like
watching
> grass grow.
>>
>>
>> --
>> Phil Stracchino
>> Babylon Communications
>> phils at caerllewys.net
>> phil at co.ordinate.org
>> Landline: +1.603.293.8485
>> Mobile:   +1.603.998.6958
>> _______________________________________________
>> GEEKS:  http://www.sunhelp.org/mailman/listinfo/geeks
> _______________________________________________
> GEEKS:  http://www.sunhelp.org/mailman/listinfo/geeks