FAS and V-Series Storage Systems Discussions

Mixed Drive in FAS22xx?

HENRYPAN2

Dear NetApp Gurus,

May I use mixed disk drives (half SAS + half SATA) within the same FAS2220 or FAS2240-4 internal disks?

Thanks in advance & looking forward to hear from you soon.

Henry

1 ACCEPTED SOLUTION

scottgelb

There is no mixing in the same shelf... the only exception is with FlashPool where SSD can mix in the same shelf with either SAS or SATA... but not both.

View solution in original post

7 REPLIES 7

scottgelb

There is no mixing in the same shelf... the only exception is with FlashPool where SSD can mix in the same shelf with either SAS or SATA... but not both.

View solution in original post

radek_kubka

Hi Scott,

We discussed this topic recently on one of the Russian-language threads.

As it stands now, the only supported mixed config is preconfigured external DS4246 with 6x SSD + 18x SATA.

Regards,

Radek

scottgelb

We need some google translate integrated in Communities J In the storage best practice preso for FlashPool… it give per stack, but not per shelf… so looks like to get 12 SSDs it is 6 per shelf across 2 shelves.

¡ In mixed SSD and HDD stacks

– FAS2240 : 3 external(+1 internal) shelves (6-12 SSDs) per stack

– FAS2220 : 2 external(+1 internal) shelves (6-12 SSDs) per stack

– FAS3xxx: 2-4 shelves (12-24 SSDs) per stack

– FAS6xxx : 2 shelves (12 SSDs) per stack

radek_kubka

Yeah, I felt into the same trap and argued in the other thread that Flash Pools bring mixed SSD+SAS *shelves* to the table.

But Russian guys quickly proved me wrong with a pile of supporting docs!  😉

scottgelb

Mixed in the same shelf. Do the docs say only 6 ssd and 18 spinning disks? Should work fine with 12 and 12 but not sure of any doc says unsupported.

Sent from my iPhone 5

radek_kubka

From the Flash Pool Technical FAQ:

Can SSD and HDD be mixed in the same physical disk shelf for Flash Pool?

Answer: The DS4246 disk shelf supports mixing SSD and HDD (specifically, SATA) drives in the same disk shelf (SSD + SAS are not supported in the same shelf). The DS4243 does not support mixing SSD and HDD in the same shelf. Support for mixing in the DS4243 can be requested by PVR.

scottgelb

I just downloaded it...really good paper with all the drive mix... that isn't in the implementation guide so the FAQ has a lot of good info.

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