3PAR odpowiedź na wymagania szybko zmieniających się środowisk internetowych Szymon Stupkiewicz Poznań, 06.11.2009.
Agenda. Wyzwania wobec pamięci masowych. 3PAR Utility Storage pamięć masowa nowej generacji. Chunklets & wide striping Thin Provisioning Virtual Domains Dynamic Optimisation
Rok załoŝenia: 1991 Specjalizacja: Polcom Ocal Swoje Dane. Konsolidacja serwerów i pamięci masowych Systemy Backupu/Archiwizacji i DRP Polcom Data Center Polcom (w/s)prowadził do Polski Systemy RAID (1991 rok) Centralne systemy B/A (Legato, TSM, Veritas, ADIC, IBM, Quantum) FC i SAN D2D2T (Nexsan, ATA/SATA, VTL) Wirtualizację pamięci masowych (FalconStor, VTL) Ulility Storage i Thin Provisioning 3PAR.
Pojemność vs wydajność 40% CPU 50% MEM 70% CPU 80% MEM 90% max. wydajności macierzy 70% max wydajności macierzy 30% pojemności 40% pojemności
Utility Storage
3PAR Utility Storage. Spółka załoŝona w 1999 roku oferująca rozwiązania Utility Storage $153m inwestycja bazowa Profil zastosowań: Utility computing, Konsolidacja pamięci masowych Aplikacje o duŝych wymaganiach wydajnościowych np. bazy danych Profil Klientów: Telekomunikacja Usługi finansowe Administracja publiczna i jednostki rządowe Firmy technologiczne, centra danych Liczne referencje w Polsce. Corporate* *Includes investment in 3PAR
InServ Storage Server F200 Controller Nodes F400 T400 T800 2 2 4 2 4 2 8 0 12 0 8 2 0 24 0 16 2 0 64 0 16 2 0 128 0 32 2 8 12 8-16 12-24 8-16 24-48 8-32 24-96 Disk Drives 16-192 16-384 16 640 16 1,280 Drive Types 146GB, 300GB, 400GB FC and/or 1TB NL 146GB, 300GB, 400GB FC and/or 1TB NL 146GB, 300GB, 400GB FC and/or 750GB, 1TB NL 146GB, 300GB, 400GB FC and/or 750GB, 1TB NL 128TB 384TB 400TB 800TB 1,300 (MB/s) / 46,800 2,600 (MB/s) / 93,600 3,200 (MB/s) / 156,000 6,400 (MB/s) / 312,000 Fibre Channel Host Ports Optional iscsi Host Ports Built-in Remote Copy Ports GBs Control Cache GBs Data Cache Max Capacity Throughput/ IOPS (from disk) SPC-1 Benchmark Results 93,050 SPC-1 IOPS 224,990 SPC-1 IOPS
Mixed workload hosts I/O Processing : Traditional Storage Heavy throughput workload applied Host interface Unified Processor and/or Memory Disk interface disk Heavy transaction workload applied small IOPs wait for large IOPs to be processed hosts I/O Processing : 3PAR Controller Node = control information (metadata) = data Heavy throughput workload sustained Heavy transaction workload sustained Host interface 3PAR ASIC & Memory Control Processor & Memory Disk interface disk control information and data are pathed and processed separately
Hardware Drive Chassis Capacity building block Add non-disruptively Industry leading density Controller Node Performance and connectivity building block Add non-disruptively Runs independent instance of InForm OS Full-mesh Back-plane Post-switch architecture High performance Completely passive 40U, 19 Cabinet
3PAR Provisioning Physical Logical Controller node pair Virtual Volumes (VV) of the required size Logical Disks (LD) RAID 10 or 50 Cage or Magazine level availability Cage Chunklets 256 MBs Drive Magazine Disk drive Physical Disks (PD)
3PAR Rebuild Traditional Array 3PAR InServ (1) Single Drive Failure X X (2) Rebuild from RAID Sets SLOW Entire contents of narrowly striped RAID set is read, and then written to single spare drive. May create hotspots. FAST Only used chucklets of from widely stripped RAID sets are read, and then written to widely distributed spare chunklets. High performance maintained.
Thin Provisioning Traditional (Fat) Provisioning - Dedicate on Allocation - 3PAR Thin Provisioning - Dedicate on Write - Volume Volume Volume Volume Volume Volume Written Data Written Data Written Data Written Data Written Data Written Data Common Buffer Pool Purchased Physical Capacity Purchased Physical Capacity
Thin Provisioning 96% 50% 50% 81% 90% 61% 47% 90% 59% 59% % niewykorzystanej powierzchni w stosunku do prezentowanej serwerom 73%
3PAR Virtual Copy Base Volume Virtual Copies ORACLE, MSSQL, EXCHANGE uninterrupted user access Oracle Oracle Oracle Production Server Decision Support Test Server Backup Server rapid recovery instant data sharing nondisruptive backup Create hundreds of copies using a fraction of the space of full physical copies Oracle Production Volume(s) Jan 1 9AM Jan 1 10AM Feb 1 9AM Space Efficient Snapshot Images Tape Library InServ Storage Server
Przykład uŝycia VC Base Volume Virtual Copies With no changes With changed blocks
Dynamic Optimisation Performance No migrations! Fibre Channel Drives RAID 50 (5+1) RAID 50 (2+1) RAID 10 Nearline Drives RAID 50 (5+1) RAID 50 (8+1) RAID 50 (2+1) RAID 50 (8+1) RAID 10 3PAR Dynamic Optimisation used to transition nondisruptively & with 1 command from RAID 10 to RAID 50 to appropriately balance performance and storage efficiency Cost per Useable TB
Remote Copy Remote Copy N-to-1 Remote Copy Primary Secondary 1-to-N Remote Copy
Virtual Domains Traditional Storage 3PAR Domains Admin A App A Dept A Customer A Admin B App B Dept B Customer B Admin C App C Dept C Customer C Admin A App A Dept A Customer A Admin B App B Dept B Customer B Admin C App C Dept C Customer C Domain A Domain B Domain C Separate, Physically-Secured Storage Shared, Logically-Secured Storage
Fat-to-Thin Software-based Conversions Thin Built In Silicon-based Conversion Allocated, Unused Capacity Allocated, Written Capacity Eliminated Capacity Allocated, Written Capacity Before After Before After Slow and disruptive Fast and non-disruptive
3PAR Replication Adapter is software that unifies disaster recovery management Allows the VMware infrastructure client to manage 3PAR Remote Copy consistency groups Built on top of 3PAR Remote Copy for data movement Leverages 3PAR Virtual Copy for testing disaster recovery plans Enables failover to a recovery location and failback to the original 3PAR storage location 3PAR Replication Adapter for SRM
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