1) Explain practical(prenominal)(prenominal) storage on the IBM administration i virtual(prenominal) Storage virtual(prenominal) Storage consists of objects that, when try ford to ticktockher, imitate tape, CD, DVD and write-once read-many (WORM) media on the disk units of a System i5. The imitated media appear to the server to be actual media. When virtual storage is used, a virtual looseness description is produced to pledge the virtual storage, in a standardized path that an actual fraud description is needed to support a physical tape finesse. virtual(prenominal) storage is of receipts for the following reasons: _ Eliminates media errors _ Eliminates user intervention _ Increases system availability _ Simplifies softw nuclear number 18 and data distribution by use electronic distribution _ allows CD, DVD and tape creation apply the DUPTAP or DUPOPT commands _ increases security by using Object write for digital signatures _ simplifies creating copie s by using catalog shadowing to shit them Virtual Tape Virtual tape devices use virtual tape plentys that are created on a servers disk units.
Virtual tape devices sack up perform the same tasks as a physical tape move out: _ chisel in of base i5/OS (RSTLICPGM is supported) _ SAVSTG _ Dump to Media from SST & DST The considerations for using virtual tape storage include the: _ Correct leave to create virtual images _ Disk space requirements (smallest volume surface is 48 MB. The largest is 1,000,000 MB) _ Quantity of virtual image volumes required _ Maximum dodge size supported by the physical tape device that the vi rtual tape volume will be deliver to _ e! xploiter profiles used to create the virtual tape volume essential have their maximum storage allowed attribute fixed to *MAX. 2) Explain the IBM System I disk storgae capabilities 3)If you want to get a copious essay, order it on our website:
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