Migrate To Emc Symmetrix Vmax Eng

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  • 1. Evaluation of the results carry heavily database servers on the storage system (SAN) EMC Symmetrix VMAX
    ===>
    Korol Oleg, Head of Network Team, 2011
  • 2. Scheduled to migrate data (5 servers) located at a number of EOS/EOL storages – 2xIBM DS4100, IBM DS4800
    Configuration of IBM DS4100
    14хHDD 400GB SATA (each)
    Configuration of IBM DS4800dual-controller 1815-82A
    14хEXP810
    224xHDD different models 73GB 15K 4Gb FC/ 146GB 10K 2Gb FC/ 146GB 15K 4Gb FC
    (6 of them HotSpare)
    120xHDD used to accommodate the most "severe" DBMS ABS B2 andDWH
    the remaining available 98хHDD used to accommodate data from 32 servers who have not participated in the migration to new storage
    Configuration of EMC Symmetrix VMAX
    1xVMAX engine
    200xHDD 300GB 15K 4Gb FC
    9xEFD 200GB
    (8xHDD и 1хEFDHotSpare)
    *EFD – Enterprise Flash Drive (SSD)
    Migrating data on storage EMC Symmetrix VMAX
    2
  • 3. Previously held a series of tests to determine the characteristics of both SSD performance when using R5 and VMAX in general
    We used the following test configurationsIBM DS48004xR1(5+5) 15K 144GB FC2/4EMC V-MAX4 metas (total 48 H-Vols, protection 2M)EMC V-MAX2LUNs fromSSD-pool, protection R5 (3+1)
    Synthetic test, 100% Random, R/W = 80/20
    Migrating data on storage EMC Symmetrix VMAX
    3
  • 4. for DWH hot tablespaces (60% of all readings in the database is in the region less than 10%) were submitted to separate LUN, located on the SSD
    This screenshot is presented disk performance is productive database, which confirmed the results of previously conducted synthetic tests SSD
    438.4K/27.4K= average 16KB block size
    Migrating data on storage EMC Symmetrix VMAX
    4
  • 5. DWH (Oracle 10, OLAP), Disks Latency in msec, less - is better16x times less latency
    Before (IBM DS4800)
    After (EMC VMAX)
    Migrating data on storage EMC Symmetrix VMAX
    5
  • 6. DWH (Oracle 10, OLAP), Disks Performance iops/MBps, more - is better1.5x more MBps and 4.5x more iops
    Before (IBM DS4800)
    After (EMC VMAX)
    Migrating data on storage EMC Symmetrix VMAX
    6
  • 7. ABS (Oracle 10, OLTP/OLAP), Disks Latency in msec, less - is better
    Before (IBM DS4800)
    After (EMC VMAX)
    Migrating data on storage EMC Symmetrix VMAX
    7
  • 8. ABS (Oracle 10, OLTP/OLAP), Disks Performance iops/MBps, more - is better
    Before (IBM DS4800)
    After (EMC VMAX)
    Migrating data on storage EMC Symmetrix VMAX
    8
  • 9. Overall Disks Performance iops/MBps 5 servers after migrate then to EMC VMAX
    Migrating data on storage EMC Symmetrix VMAX
    9
  • 10. Annex
    All hosts running on IBM Power under AIX 5.3
    To conduct synthetic tests have been used ndisk64, from the package nstress
    For data collection tool used NMON
    For processing and visualization of statistical data used NMON Analyser and NMON Consolidator
    Questions?
    IT-Expert@Ukr.Net
    http://ua.linkedin.com/pub/oleg-korol/26/920/716
    Migrating data on storage EMC Symmetrix VMAX
    10