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SAS vs SATA


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#1
jaxisland

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So Im migrating towards an ESXi server configuration, and my server hardware supplier says that I would need to switch from software RAID and SATA drives to a SAS backplane and drives. I thought SAS was old technology, can someone give me an insight on the two and pros cons, or even if I should consider it.

Thanks.
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#2
jt1990

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Here's the Wiki on SATA vs SAS. I'm afraid I don't know much of anything about SAS tho, sorry :)
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#3
Kemasa

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The question is what are you doing with the machine and what do you need. While SAS might be based on older technology, it is designed for servers. There are different design specs for disks which should be found on the Internet.

Software raid is cheaper, but there is a cost associated with it in terms of CPU load. Hardware raid is better and faster.

So, my summary is that going in that direction is better for a server that is going to see some use than a random computer for home use.
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