We've got a SC847E26-RJBOD1. Takes a bit of getting used to that you
have to wire it yourself (plus you need to buy a pair of internal
SFF-8087 cables to connect the back and front backplanes - incredible
SuperMicro doesn't provide those out of the box), but other than that,
never had a problem with it. Dirt cheap. Just works. No nonsense.


On 11/13/2012 09:08 PM, Peter Tripp wrote:
> Hi folks,
> I'm in the market for a couple of JBODs.  Up until now I've been relatively 
> lucky with finding hardware that plays very nicely with ZFS.  All my gear 
> currently in production uses LSI SAS controllers (3801e, 9200-16e, 9211-8i) 
> with backplanes powered by LSI SAS expanders (Sun x4250, Sun J4400, etc).  
> But I'm in the market for SAS2 JBODs to support a large number 3.5inch SAS 
> disks (60+ 3TB disks to start).
> I'm aware of potential issues with SATA drives/interposers and the whole SATA 
> Tunneling Protocol (STP) nonsense, so I'm going to stick to a pure SAS setup. 
>  Also, since I've had trouble with in the past with daisy-chained SAS JBODs 
> I'll probably stick with one SAS 4x cable (SFF8088) per JBOD and unless there 
> were a compelling reason for multi-pathing I'd probably stick to a single 
> controller.  If possible I'd rather buy 20 packs of enterprise SAS disks with 
> 5yr warranties and have the JBOD come with empty trays, but would also 
> consider buying disks with the JBOD if the price wasn't too crazy.
> Does anyone have any positive/negative experiences with any of the following 
> with ZFS: 
>  * SuperMicro SC826E16-R500LPB (2U 12 drives, dual 500w PS, single LSI 
> SAS2X28 expander)
>  * SuperMicro SC846BE16-R920B (4U 24 drives, dual 920w PS, single unknown 
> expander)
>  * Dell PowerVault MD 1200 (2U 12 drives, dual 600w PS, dual unknown 
> expanders)
>  * HP StorageWorks D2600 (2U 12 drives, dual 460w PS, single/dual unknown 
> expanders)
> I'm leaning towards the SuperMicro stuff, but every time I order SuperMicro 
> gear there's always something missing or wrongly configured so some of the 
> cost savings gets eaten up with my time figuring out where things went wrong 
> and returning/ordering replacements.  The Dell/HP gear I'm sure is fine, but 
> buying disks from them gets pricey quick. The last time I looked they charged 
> $150 extra per disk for when the only added value was a proprietary sled a 
> shorter warranty (3yr vs 5yr).
> I'm open to other JBOD vendors too, was just really just curious what folks 
> were using when they needed more than two dozen 3.5" SAS disks for use with 
> ZFS.
> Thanks
> -Peter
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