Dell VNX8000 White Paper: VNX2 FAST VP - A Detailed Review
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- Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 1
White Paper EMC VNX2 FAST VP VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 A Detailed Review Abstract This white paper discusses EMC® Fully Automated Storage Tiering for Virtual Pools (FAST VP™) technology and describes its features and implementation. - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 2
. All other trademarks used herein are the property of their respective owners. Part Number H12102.3 EMC VNX2 FAST VP - A Detailed Review 2 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 3
12 Tiering Policies ...13 Managing FAST VP at the storage pool level 15 Relocation Schedule ...17 Manual Relocation ...18 Using FAST VP for File 19 Management ...19 Creating a File System using FAST EMC VNX2 FAST VP - A Detailed Review 3 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 4
discretion through either manual initiation or an automated scheduler. FAST VP removes the need for manual, resource intensive, functions, and management. It assumes that the FAST VP enabler is installed on the array. Audience This white paper is intended for EMC VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 5
block. Storage Pool for Block - Group of drives for configuring pool LUNs (thick and thin). EMC VNX2 FAST VP - A Detailed Review 5 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 6
are used to allocate available storage to file systems. They can be created automatically when using AVM or manually by the user. Temperature - Moving average of a slice's activity level over time. Thick LUN VNX2 FAST VP - A Detailed Review 6 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 7
drives instead of a homogenous pool can lower capital expenditure by 15 to 38 percent, reduce power and cooling costs by over 40 percent, and still increase performance. For more information about these EMC VNX2 FAST VP - A Detailed Review 7 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 8
limited to 16 drives. Because of the large number of drives supported in a pool, pool-based provisioning spreads workloads over more SAS Flash 2 Flash drives. The SAS Flash 3 drives do not support FAST VP and are only supported in homogeneous all Flash Storage Pools with drives of the same Flash - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 9
Heterogeneous pools Heterogeneous pools consist of LUNs with different drive types. VNX supports Flash, SAS, and NL-SAS drives in one pool. As shown in Figure 2, there can be terms of performance and cost. EMC VNX2 FAST VP - A Detailed Review 9 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 10
for Performance and Availability - Common Platform and Block Storage white paper on EMC Online Support. Extreme Performance Tier Use the Extreme Performance tier when response times and performance are . EMC VNX2 FAST VP - A Detailed Review 10 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 11
throughput, and good bandwidth at a mid-level price point. Capacity Tier Use the Capacity tier to decrease data. NL-SAS drives consume 96% less power per terabyte than performance drives and offer a VNX5600, VNX5800, VNX7600, & VNX8000 white paper found on EMC Online Support. Considerations for Using - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 12
mixes provide predictable performance Large IO is serviced efficiently Observations Writes slower than reads data will be relocated within the pool during scheduled and manually invoked relocation periods. FAST VP bases decisions for how data , VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 13
based on the LUN's performance statistics, LUNs set with "Highest available Tier" take precedence. EMC VNX2 FAST VP - A Detailed Review 13 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 14
the change to no movement. Summary of Tiering Policies Table 3 summarizes the tiering policies. EMC VNX2 FAST VP - A Detailed Review 14 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 15
information about the amount of data targeted to be moved up, down, and within tiers. This tab also provides the ability to choose to use manual or scheduled data relocation for the pool. EMC VNX2 FAST VP - A Detailed Review 15 VNX5200, VNX5400, VNX5600, VNX5800 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 16
Status section enables you to define the method for starting data relocation for the pool. Choose "Manual" to manually start the data relocation on a selected storage pool at any time. Choose "Scheduled" to VNX2 FAST VP - A Detailed Review 16 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 17
, all active relocation tasks for all storage pools pause, meaning no future relocation requests EMC VNX2 FAST VP - A Detailed Review 17 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 18
schedule. "Active Pool Relocations" is the number of tiered pools currently participating in manual or scheduled data relocation operations. The Auto-Tiering Status section also shows the total amount VNX2 FAST VP - A Detailed Review 18 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 19
allows for immediate relocation to take place at the pool level. Common situations for initiating a manual relocation include: • When reconfiguring a pool, if LUN properties, such as the tiering policy, . EMC VNX2 FAST VP - A Detailed Review 19 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 20
is supported for Services section lists the tiering policy for the LUN along with other enabled data services manual volume management. If Advanced Data Services are not enabled services, refer to the Introduction to EMC VNX Storage Efficiency Technologies white paper found on EMC's Online Support - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 21
as shown in Figure 8. Figure 8. Properties Window for a Storage Pool for File As seen Figure 8, the tiering policy is displayed in the Advanced Data Services section. If multiple LUNs with different tiering policies are present in the pool, a tiering policy of "Mixed" is displayed. EMC VNX2 FAST VP - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 22
for every 4 drives in the storage pool. • Create LUNs in even multiples of 10. EMC VNX2 FAST VP - A Detailed Review 22 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 23
best practices for VNX for File, refer to the Applied Best Practices Guide: EMC VNX Unified Best Practices found on EMC's Online Support. FAST VP Operations FAST VP operates by relocating the most active data VNX2 FAST VP - A Detailed Review 23 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 24
slice within the pool. Before relocation is invoked with automatic or manual relocation, FAST VP performs a final calculation and creates a candidate is done automatically based on the user-defined relocation schedule, or manually, if user-initiated. Figure 10 provides an illustration of how FAST - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 25
in the Capacity tier, for which the cost per GB is less expensive. Once FAST VP is installed, the array automatically collects and analyzes statistics and relocates data across tiers to better utilize the more VNX2 FAST VP - A Detailed Review 25 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 26
by extending auto-tiering data relocation to also analyze and move data within a tier. EMC VNX2 FAST VP - A Detailed Review 26 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 27
the EMC VNX Multi-Core FAST Cache white paper found on EMC Online support. Table 4 compares FAST VP and Multicore FAST Cache. Table 4. Multicore FAST Cache. There are no relocation or manually invoked relocation windows. cycles. Real-time monitoring , VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 28
from the Capacity (NL-SAS) tier starts to be allocated, you can stop the migration and start manual FAST VP relocation. Assuming the analysis process has run for a sufficient amount of time, relocation orders VNX2 FAST VP - A Detailed Review 28 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 29
FAST VP and Multicore FAST Cache. Other IO profiles, such as Decision Support Systems (DSS), may have much larger working sets. In these cases, of Capacity Tier drives. You can engage EMC Professional Services and qualified partners for detailed analysis and recommendations for , VNX7600, & VNX8000 - Dell VNX8000 | White Paper: VNX2 FAST VP - A Detailed Review - Page 30
cost in the storage environment. References The following white papers are available on the EMC Online Support website: • Introduction to the EMC VNX2 Series - VNX5200 VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 • EMC Tiered Storage for Microsoft SQL Server 2008-Enabled by EMC Unified Storage and
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White Paper
Abstract
This white paper discusses EMC
®
Fully Automated Storage
Tiering for Virtual Pools (FAST VP
™
) technology and describes its
features and implementation. Details on how to use the product
in Unisphere
™
are discussed, and usage guidance and major
customer benefits are also included.
March 2016
EMC VNX2 FAST VP
VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
A Detailed Review