Shai, And performance.
Virtualisation over a network may be a fairly large step down from native FICON speed, and the server supporting those targets would have to support some fairly high IO rates. For some very small amount of data some PC based storage with software RAID may suffice, but as throughput and capacity grow the cost of the server to support this would impact the ability to scale this as a cost effective solution. On a small scale, and with JCL changes, we could be doing this with NFS already. There are virtualisation solutions that emulate 3390 disk that are not PC storage where the data can be accessed all the time from the MF. The PC itself would represents a fairly low level of availability if you are talking VISTA and XP on a PC you bought from Fry's. The class of PC and OS you use would affect the "access all the time" claim. Would you store anything required for SOX compliance on a home PC, or go to a server class Hardware and OS? Ron > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of shai hess > Sent: Tuesday, April 01, 2008 11:44 PM > To: IBM-MAIN@BAMA.UA.EDU > Subject: Re: [IBM-MAIN] CA ESD files Options > > HI, > > Yes, if you have a lot of money then all your tape can be stored in > real > 3390 disks ant can be a very good option. > > But if you have a lot of data which require a lot of 3390 disks and > the > other options are TMM, regulars tapes, other virtual tapes, you can > consider > to put the data in a very cheap storage which emulate 3390 disk (e.g. > MFNetDisk, the data can be accessed all the time from MF) in PC > storage. > I only mention MFNetDisk but everyone must consider all the options > using > the cost, reliability and features. > > > Thanks, > Shai > > > On 4/1/08, Ron Hawkins <[EMAIL PROTECTED]> wrote: > > > > Shai, > > > > You can do that with any Virtualisation product that supports MF CKD > DASD. > > On top of that you need to implement TMM poliscies in SMS. > > > > With the hard to explain aversion to implementing SMS for anything, > the > > "TMM > > in a can" solutions seem to be more attractive (hardware or software > > driven). > > > > Ron > > > > > -----Original Message----- > > > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] > On > > > Behalf Of shai hess > > > Sent: Tuesday, April 01, 2008 10:38 PM > > > To: IBM-MAIN@BAMA.UA.EDU > > > Subject: [IBM-MAIN] CA ESD files Options > > > > > > > Or maybe one of the virtual tape vendors, or the MFNetDisk guy > could > > > make > > > it > > > > happen without a real tape. > > > > > > > > > MFNetDisk already have the option to access any file which is > > > allocated in MFNetDisk 3390 immediately. > > > > > > MFNetDisk can replace or can add value to any virtual tape or HSM > as a > > > secondary storage media or as a replacement to tapes media. > > > > > > So in general you can have very cheap storage (HARD DISK) which can > > > emulate any 3390 size disk (all models and all size, even 100 > > > cylinders is OK ) which can replace any tapes or virtual tape > storage > > > and can be online to the MF anytime amd all the time. > > > > > > Thanks, > > > Shai > > > > > > ------------------------------------------------------------------- > --- > > > 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 > > > > > > ---------------------------------------------------------------------- > 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
