Dell VNX5600 White Paper: VNX2 FAST VP - A Detailed Review

Dell VNX5600 Manual

Get Dell VNX5600 PDF manuals and user guides View all Dell VNX5600 manuals
Add to My Manuals
Save this manual to your list of manuals

Dell VNX5600 manual content summary:

  • Dell VNX5600 | 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. Details
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 2
    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 VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 3
    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 VP and Multicore FAST Cache .... 27 Large Scale Migrations ...28 What drive mix is right for my IO profile 29 Conclusion ...29 References ...30
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 4
    higher tiers of storage. For arrays containing Flash drives, this creates a Flash-optimized array. Relocation is initiated at your discretion through either manual initiation or an automated scheduler. FAST VP VNX2 FAST VP - A Detailed Review 4 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 5
    typing commands different types of drives, and moving the less frequently accessed and less important data to lower-performance (less expensive) drives on multiple disk drives to increase performance drives are combined with relatively full, existing drives Group of drives for configuring pool
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 6
    when using AVM or manually by the user. Temperature - Moving average of a slice's activity level over time. Thick LUN - Type of pool LUN in categories provide various levels of performance and capacity through several drive types. Available tiers are Extreme Performance, Performance, and Capacity.
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 7
    only one type of drive, mixing Flash, SAS, and NL-SAS drives allows you to maintain performance requirements while reducing the drive count. In some cases, a nearly two-thirds reduction in drive count can EMC VNX2 FAST VP - A Detailed Review 7 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 8
    of one particular drive type. In VNX OE for Block version 05.33.009.5.155 multiple sizes of SAS Flash 3 drives are introduced. SAS Flash 3 drives provide Flash performance at a reduce cost when compared to SAS Flash and SAS Flash 2 Flash drives. The SAS Flash 3 drives do not support FAST VP and
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 9
    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 a maximum of three drive types in a heterogeneous pool. Data in . EMC VNX2 FAST VP - A Detailed Review 9 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 10
    supported for each tier. Table 1. RAID Configuration Options RAID Type RAID 1/0 RAID 5 RAID 6 Preferred Drive has only a single parity drive. EMC advises you to EMC Online Support. Extreme state drives (SSDs supports SAS Flash 2 Flash drives. Compared to SAS Flash drives, SAS Flash 2 Flash drives
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 11
    operational efficiency. Note: For more information about the latest supported drives, refer to the Introduction to the EMC VNX2 Series - VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 white paper found on EMC Online Support. Considerations for Using Tiers When all three tiers are available
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 12
    mixes provide predictable performance Large IO is serviced efficiently Observations Writes slower than reads that 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 VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 13
    tier based on the activity level of each data slice. Slices provisioned to a LUN are relocated based on the highest performance disk drives available and the LUN's slice temperature. Although this setting relocates data based on the LUN's performance statistics, LUNs set with "Highest available
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 14
    then Auto-Tier" sets the preferred tier for initial data allocation to the highest performing disk drives with available space, and then it relocates the LUN's data based on the performance statistics and EMC VNX2 FAST VP - A Detailed Review 14 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 15
    to the highestperforming disk drives with available space. placement to the highest-performing disk drives with available space, then relocates to the most costeffective disk drives with available space. No Data ability to choose to use manual or scheduled data relocation for the pool. EMC
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 16
    Tier 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 have VP - A Detailed Review 16 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 17
    of data that is ready to be moved up, down, or redistributed within the tier. • RAID type for each tier. Relocation Schedule The FAST VP feature allows for automatic data relocation based on a user-defined VNX2 FAST VP - A Detailed Review 17 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 18
    relocation 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 FAST VP - A Detailed Review 18 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | 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 VNX5600 | 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 VNX5600 | 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 VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 22
    Deduplication disabled. In VNX OE for Block Release 33, the default LUN type for a new LUN is thin; this can be accomplished by unchecking the file systems, and it is recommended to: • Create approximately 1 LUN for every 4 drives in the storage pool. • Create LUNs in even multiples of 10. EMC VNX2
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 23
    = (number of drives in pool divided by VNX file configurations will not allow mixing of mirrored and non-mirrored types in a pool. If you try to do this, the disk to the Applied Best Practices Guide: EMC VNX Unified Best Practices found on EMC's Online Support. FAST VP Operations FAST VP , & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 24
    pool. Before relocation is invoked with automatic or manual relocation, FAST VP performs a final calculation way, FAST VP ensures that the higher performing drives are always used. After data is added to on the user-defined relocation schedule, or manually, if user-initiated. Figure 10 provides an
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 25
    to not active at all resides in a pool across each tier. The more expensive and higher performing drives may contain non-active data that would be more appropriate in the Capacity tier, for which the cost VNX2 FAST VP - A Detailed Review 25 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 26
    list have been processed. If you do not want an automatic rebalance to occur, because the newly added drives will be used for a special purposed LUN, you can issue a rebalance skip using naviseccli. For example VNX2 FAST VP - A Detailed Review 26 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 27
    Flash drive class back-end hard drives. This improves the found on EMC Online support. Table 4 compares drives to be used to Allows a single LUN to leverage the extend the existing caching capacity advantages of multiple drive types manually limited Flash drives are available, the Flash drives can be
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 28
    to Multicore FAST Cache, if that data is already on a Flash drive. If FAST VP moves a chunk of data to the Extreme Performance 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 , VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 29
    drives. You can engage EMC Professional Services and drive type at the 256 MB slice granularity. This sub-LUN-level tiering ensures that the most active dataset resides on the best-performing drive tier EMC VNX2 FAST VP - A Detailed Review 29 VNX5200, VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000
  • Dell VNX5600 | White Paper: VNX2 FAST VP - A Detailed Review - Page 30
    maintaining infrequently used data on lower-cost, high-capacity drives. Relocations can occur without user interaction on a predetermined available on the EMC Online Support website: • Introduction to the EMC VNX2 Series - VNX5200 VNX5400, VNX5600, VNX5800, VNX7600, & VNX8000 • EMC Tiered Storage for
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
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