Tiering within the array is the best approach with replication. Synchronous or Asynchronous, Tiering within the array provides better consistent point at the recovery site.
On Tue, Nov 23, 2010 at 11:49 AM, Ron Hawkins <[email protected] > wrote: > Techie well wisher, > > > > > Thanks everyone. Much appreciated. With TMM, of course it goes to > expensive > > z/os disk, but we do have the option of tiering within the array, such as > > using 1tb drives Raid6 and then hsm them to replicated vts later. > [Ron Hawkins] > That's not actually true. Cheaper midrange disk arrays can be virtualized > by > DASD controllers using a plethora of cheaper brands and models, and TMM can > be tiered outside of the array without any appliance except the array > itself. > > Internal SATA is an optional tier for those controllers that do not support > virtualization of Mainframe volumes. > > > Ron > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
