I think DASD vendors need to create a simple, standard method to mirror a volume's configuration and data, rather than mirroring just the volume's data.
Don > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[email protected]] > On Behalf Of Skip Robinson > Sent: Friday, February 22, 2013 3:40 PM > To: [email protected] > Subject: Re: Mod-9 vs. Mod-27 vs. mixed > > In the interest of frugality, I asked my storage guys some time ago to > allocate some tiny volumes for JES checkpoint and couple data sets. > After > a while, they complained that it was more trouble than it was worth > because we mirror most volumes to the DR site. For every tiny source > volume, they needed a corresponding tiny mirror volume. Periodic DASD > refresh (aka upgrade) projects only added to the complexity. Pennies > vs. > pounds. > > . > . > JO.Skip Robinson > Southern California Edison Company > Electric Dragon Team Paddler > SHARE MVS Program Co-Manager > 626-302-7535 Office > 323-715-0595 Mobile > [email protected] > > > > From: "Staller, Allan" <[email protected]> > To: [email protected], > Date: 02/22/2013 10:04 AM > Subject: Re: Mod-9 vs. Mod-27 vs. mixed > Sent by: IBM Mainframe Discussion List <IBM- > [email protected]> > > > > Space wasted for "small volumes" e.g. XCF couple datasets. Just a > talking > point. With Hyper-PAV, etc. most of the other points are just "hot > air". > > The convenience of not having to support multiple "geometries". > > <snip> > A client with DS8000 DASD configured as a mix of 3390 Mod9 and Mod27s > is > considering a project to convert everything to Mod-27. Does anyone out > there have some thoughts on the advantages or disadvantages of this? > I'm > not looking to start a religious discussion or other "dinotribe," so > feel > free to respond to me privately. I'm just interested in perspective > and > talking points, either way. > </snip> > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
