Evergreen//One Flashcards
How is Evergreen//One capacity measured?
a. Snapshots - Metered on the effective capacity of the diff’s.
b. Clones - are free and do not count against effective capacity.
c. Thin Provisioning - Thin provisioning works since we meter effective (pre-data reduction) against blocks written and not the provisioned capacity of the volume/filesystem on the array. (see example)
d. Zeroes are Omitted - zeroes/whitespace/unmap patterns that are larger than 2MiB do not count against effective capacity.
d. Data Reduction - Unless PRE Ratio is less than 2:1 on Block Performance, Premium, or Ultra (PRE Ratio), the customer typically should not care about this with Evergreen//One. The Evergreen//One team only needs to know so that we can properly backfill the hardware.
e. Performance - We will send out any hardware to fulfill the capacity and general performance requirement. If there is a scale-out-array situation or need for specific hardware for performance, we may have to determine a performance SLA and adjust pricing on a case-by-case basis.
d. Creative Pricing - is available for opportunities for creative deals: less than minimums or 1PiB+
f. Sites - There is typically one effective capacity across the arrays per site.
What are the Evergreen//One value propositions / benefits / key selling points?
EASY TO SIZE - Usage is based on either effective capacity, VM instance (VM Analytics Pro) counts and/or performance needs on day-1. No more need to plan for over-provisioning or data reduction*.
ELIMINATES PROCUREMENT CYCLE/MINIMIZES RISK- Customers grow and shrink as needed (true OPEX as opposed to a lease) starting at as little as 12-month subscriptions.
GREAT FOR LIMITED BUDGETS - Customers only need to pay for what they need when they need it, no more over-spending for unused capacity.
DESIGNED FOR HYBRID CLOUD STRATEGY - Portable subscription between on-premise and cloud with a full catalog of services.
SIMPLIFIES ACCOUNTING - Stays off the customer’s books since Pure owns the equipment.
FULLY SUPPORTED - Pure provides premium support maintaining the equipment non-disruptively to the customer.
What is the Pre-Reduced & Encrypted (PRE) Ratio?
The PRE Ratio is calculated by dividing the Effective Used Capacity (EUC) by the total array written used capacity. PRE Ratio accounts for Volumes, Snapshots, and Replicated data.
What kind of information is needed to size Evergreen//One?
Background Summary and use case info
How many sites are there? (see site rules)
How much Effective Capacity is needed at each site on Day-1? (On-Demand headroom is maintained by Evergreen//One in the background. Let us know if you expect bursting over 25%-30%)
Do you know if any data is encrypted or pre-compressed? Roughly what portion?
Do you know the expected growth/migration trend and timeline?
The subscription term duration (12 months or more)
Any competitive pricing information you may have
Justification if capacity is less than minimum requirement.
How much less is reserve commit compared to on-demand?
1.5x
When can the reserve be lowered?
At renewal
What is the billing frequency?
Reserve = Quarterly or annual prepaid
On-demand = Quarterly or monthly in arrears
How much overhead does RAID-HA add to raw capacity?
About 20%
When can the reserve be raised?
At any time
What is the minimum commitment term?
12 months is the minimum commitment term.
