VMworld 2014/vExpert Game Show

vExpert Game Show
Presented on Monday

Fun and entertaining presentation

Between the VMware vExperts and Pure Storage team

Twitter: #vExpertGameShow

Sample Questions:

SLC vs MLC, which is more expensive: SLC

Average i/o size of Pure's install base: 56KB (think ioBlender)

VSAN Fault Tolerance default: FTT=1, should do FTT=2

Name of returned by inquery command (NAA ID, vendor, mode, etc): VPD (Virtual Product Data)

Flash Reduce - data technologies: inline pattern removal, inline 512 byte dedup, inline compression, copy reduction, post process deep reduction

VSAN RAID 0 vs Pass Through: Pass Through is recommended

Fiber channel topologies: loop, fabric, point to point

Does Pure Storage support VMFS shrinking?: No, able to resize, but not shrink

VSAN read cache to write buffer default in flash accel layer: 70% read to 30% write

RAID 4 vs RAID 5: RAID 5 has distributed parity

VAAI block primities (purity OE 4.0): xcopy, ats, block zero, block unmap

VSAN stripe size: 1MB

First 5 1/2" HDD: Segate 5MB in 1980