8/3/2019 Storage Interview Q

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1- Architecture of DMX3,42- Snap, VDEV & Save pool3- Thin device4- Advantages of thin devices5- Static & Dynamic RDF6- BRBCV7- Sync & Async

8- Rule 17- what and why ?- Till DMX-3 its mandatory but not with DMX-4 butbest practice9- Can we conver std to BCV ?10- Split, Suspend mode in R1-R211- SRDF: Domino Effect12- What is VCMDB and How do you take the backup13- Raid,Hot spare,Hot Swap14- how many disk can be in a array\Bay\enclouser15- Raid type of hot spare in a given bay -no16- Global spare in symmetrix17- clariion logical architecture(A/A or A/P(r)) - data flow - drive-r17-spA-spB etc.

18- clarion - write intend log location what it contins and where - source or Target19- clarion - fracture log -20- clarion - consistency group and why it is used - no data loss21- clarion - SAN copy22- clarion - mirror view - modes(sync/async)23- clarion -naviagent contains24- clarion -Failover modes 5 (mode 1..2..to 5 if running with powerpath)25- How to modify the masking view and add port groups26- Can we have 2 port groups in a masking view - cascaded it's possible & it's possible online also - how to do it?27- Architecture difference between Vmax(MIB) & Symmetrix28- How many memory ports per engine in Vmax

29- How many directors & Processors per engine in VmaxVmax(MIB) - visual arch. where all the directors can see all the directo

rs - I DMX it was not there30- FA -Flags31- Lock - 2& 15 - levels -release32- ORS - cold pull, cold push what r these and device state when it happenes.33- ORS - celing and pace and if they have any interdependency34- FCP,iFCP,FCIP,FCOE35- What is Delta set36- Adaptive copy & Domino MOde37- Static & Dynamic RDF

38- How to change Static R1 to Dynamc----will be need to change in bin file39- Lun translation command -symmmigrate40- Golden copy41- Trespassing - Luns move from SPA to SPB if SPA fails42- Buffer credits -