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July 24th, 2013 22:00
Storage Pools for file on the VNX?
Hi All,
Up until now I've been avoiding storage pools when it comes to the file side of the VNX and have been doing the old school method of RAID groups with equally sized LUNs allocated to the ~file storage group. And then letting AVM deal with the rest.
I'm about to implement 2 x 5700 unified arrays with the latest OE.
What's the latest advice? Pools or RAID Groups? Keeping in mind that I still want to use AVM?
I have 36 x 900GB 10K SAS and 32 x 2TB NL-SAS available for file.
Thanks
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dynamox
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July 25th, 2013 04:00
for uber performance - raid, for general purpose - dedicated pool for file, there are some file specific configuration items in this document
https://support.emc.com/docu42660_Applied_Best_Practices_Guide:_EMC_VNX_Unified_Best_Practices_for_Performance.pdf?language=en_US
o17Uu33DCF12520
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July 25th, 2013 07:00
depends on what is the big concern in your mind, performance or feature?
if you care performance more, then RAID is better choice. if you care new features, such as FAST and VNX snapshot, then Pool is necessary. AVM and the pool for file could be mapped to both RAID and pool for block perfectly.
since you have 2 tiers of HDD with 5700, I'd suggest you leverage the storage pool and FAST which is also a great performance boost. and you could use many pool feature as well.