Smells of troll bait but I'll bite.
"Declustered RAID" certainly has benefits for recovery of failed disks
but I don't think it claims performance benefits over traditional RAID.
GNR certainly has a large memory footprint. Object RAID is a close
cousin that has flexbile expansion capability, depending on product
packaging GNR could likely match these features.
Argonne labs (Illinois USA) has done a lot with both GNR and RAID GPFS,
I would be interested in their experiences.
Date: Thu, 18 Jun 2015 17:01:01 -0400
From: Marc A Kaplan <[email protected]>
To: gpfsug main discussion list <[email protected]>
Subject: Re: [gpfsug-discuss] Disabling individual Storage Pools by
themselves?
What do you see as the pros and cons of using GPFS Native Raid and
configuring your disk arrays as JBODs instead of using RAID in a box.
chris hunter
yale hpc group
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