nl vmug usercon – march 17 2016€¦ · heilige graal? storage platform vmware vsphere server...
TRANSCRIPT
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NL VMUG UserCon – March 17 2016
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Michael Wilmsen• Consultant/Trainer
• Zelfstandig werkloos
• Storage/Performance/EUC
• VCDX #210
• vExpert sinds 2011
• Nutanix Platform Professional en Champion
• PernixPro
• Blogger @ virtual-hike.com
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Hoe ontwerp je een storage omgeving voor je VMware Infrastructuur?
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Agenda
• Capaciteit• Performance• Beschikbaarheid• Security• Storage Type • Storage eigenschappen• Vragen
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Capaciteit
• Bepaal netto behoefte• vDisk OS• Virtueel geheugen• vDisk Apps• Restore• Snapshot• 5 jaar
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Capaciteit berekening
((TotalVMs * (OSDriveCapacityGB + AvgMemSizeVMNotReserved)) + TotalDataGB) * (RestoreCapacity% + SnapshotReserveCapacity%)
= TotalGB
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Voorbeeld
• 1000 Virtuele Machines• 50 GB OS-Disk• Geheugen niet gereserveerd 8 GB• Back-up 10%• Snapshot 10%• 50 TB Applicatie data
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Dat maakt….
((1000 * (50GB + 8GB)) + 50TB) * (10% + 5%) = 88,14 TB
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VMDK type
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Performance Workloads
• Block size?• %Read en %Write• Sequential of random?• 5 jaar
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Block Size
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Write Penalty
• Raid-0 -> 0• Raid-1 -> 2• Raid-5 -> 4• Raid-6 -> 6
• 1000 IOPS• 60% Read• 40% Write• Raid 6
• 600 + (400x6) = 3000
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Sequential vs. Random
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Voorbeeld
WorkloadAantalVMs
Blocksize#KB AVGIOPS %READ %WRITE
TotalIOPS
FilesystemNTFS<16TB 545 4 50 60% 40% 43600FilesystemNTFS>16Tb 5 64 2050 70% 30% 10250FilesystemEXT4 400 4 50 60% 40% 20000ExchangeNTFS 12 64 100 60% 40% 1200MSSQLNTFS 5 64 500 60% 40% 2500Oracle 33 8 500 60% 40% 16500RDSservers 90 4 211 60% 40% 19000
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IOPS
• Disk type• SATA
• 75 IOPS• SAS 100~150 IOPS• SSD ~100K+ IOPS• Flash ~100K+ IOPS
• Cache• Flash• Memory
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Latency
C
B
A Guest OS
SCSI HBA
Port Port
Port PortBackplane + SP
Port Port
Port PortBackplane + SP
vSphere
VMkernel
VMHBA VMHBA
vSphere
VMkernel
VMHBA VMHBA
HeadHBA
SP SP
HBA HBA
HBA
Shelf
SAS SAS SATA SSD
HBA HBA
HeadHBA
SP SP
HBA HBA
HBA
Shelf
SAS SAS SATA SSD
HBA HBA
5
76
8
9
10
11
12
1
2
4
3
Cache Cache
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Storage Replicatie
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vSphere Replicatie
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Back-up
• RPO/RTO• Retentie• On-Premise, Cloud of beiden?
DATA
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Back-up
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Security
• Verschillend per protocol• NFS -> ip• iSCSI -> iqn• Fiber Channel -> WWN
• Beheer servers
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Storage Type
• SAN/NAS• Bulk storage• € per GB
• Hyperconverged• VDI/RDS• Schaalbaar
• DAS• SOHO/ROBO
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VVOLS
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VVOLS
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vStorage for Array Intergration (VAAI)
• Atomic Test & Set (hardware assisted locking)• Clone Blocks/Full Copy/XCOPY• Zero Blocks/Write Same• Block Delete (SCSI UNMAP)• Thin disk space reclamation
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Heilige graal?
Storage platform
VMware vSphereServer
CIFS
Production
OTA
SAP
Fiber Channel
Ethernet
VMware vSphereEUC
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Conclusie
• Bepaal je behoefte• Workloads• Capaciteit• Security• Beschikbaarheid
• Praat met je leverancier• Welke type storage past het beste bij de behoefte van mijn organisatie?• Maak de leverancier verantwoordelijk voor het resultaat.
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Vragen?
The more we know, the more we know what we don’t know!