16 disks table PS5000 Sata - Raid for better performance and more capacity

Good afternoon all

I studied the whims of the various raid options and I was wondering if anyone has any practical idea using tables PS5000 SATA?  Basically, the table will backup disks to virtual machines as well as Raid would be preferable for the performance and capacity?  I was thinking 50 Raid or Raid 6, that the table is at a distance of my office in one data center so that there could be 2 failures before the disaster...

Thank you very much

Eric

Hi Eric,.

'best' depends entirely on the expected I/O model.  Small random writes should use R10.  RAID50 is usually a good compromise on space and performance.  But it has the risk of a double RAIDset faillée down.

Another factor is that the PS5000 is end of life.  No support, firmware or parts of long term.  Help to off the shelf drives add uncertainty to the reliability of the table.   I would never use one of these for primary production so data.  To provide the best protection in this case, I would use only RAID6.   R10 would be down, but may suffer and failed with two failed disks in the mirror of the same value.

Kind regards

Don

Tags: Dell Products

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