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Is there any information about the expected durability of the new EBS SSD volumes compared to the old Magnetic ones? FAQ is still showing the same "Magnetic-er
by nnx 12y ago
Is there any information about the expected durability of the new EBS SSD volumes compared to the old Magnetic ones?
FAQ is still showing the same "Magnetic-era" numbers:
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most recent Amazon EBS Snapshot can expect an annual failure rate (AFR) of between 0.1% – 0.5%, where failure refers to a complete loss of the volume. This compares with commodity hard disks that typically fail with an AFR of around 4%, making EBS volumes 10 times more reliable than typical commodity disk drives.
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- nnx 12y agoAlso, is it still recommended to pre-warm volumes? or is this now unnecessary (or even harmful) with SSDs? http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-prewarm.html http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-prewa...
- mjb 12y ago> Is there any information about the expected durability of the new EBS SSD volumes compared to the old Magnetic ones? No, EBS durability has not changed with this release. > Also, is it still recommended to pre-warm volumes? or is this now unnecessary (or even harmful) with SSDs? It is still necessary to pre-warm volumes for optimum performance, especially if they are loaded from snapshots.