Re: FW: Do we have to defrag MVS volumes on newer generation disk arrays?

2007-05-01 Thread Richards.Bob
Ron, I have no arguments with what you wrote except "I" probably would add five DEFRAGs to it. One defrag of one volume per storage group per day or per week. I would defrag the volume with the largest frag index. No harm, no foul there and it may just handle one of those monthly sp

Re: FW: Do we have to defrag MVS volumes on newer generation disk arrays?

2007-05-01 Thread Ron Hawkins
Bob, No problems with that. It's a lot better than the mid-afternoon religious observation to DEFRAG that I have seen in too many sites. At 5 volumes a day some volumes may get their 2nd defrag after 2 or 3 years And the thought of using FCTOPPRCPRIMARY with random DEFRAGS scar

Re: FW: Do we have to defrag MVS volumes on newer generation disk arrays?

2007-05-01 Thread Richards.Bob
Ron, Obviously my suggestion has to take into consideration what else is going on in one's shop. I wouldn't exactly recommend this for shops doing data movement either (as we are). I cannot remember the last time I saw a DEFRAG here. We also have DTS Software in house. Works fine, la

Re: FW: Do we have to defrag MVS volumes on newer generation disk arrays?

2007-05-01 Thread Greg Shirey
primary when you extend to a new volume. Greg Shirey Ben E. Keith Company -Original Message- From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On Behalf Of Ron Hawkins Sent: Tuesday, May 01, 2007 3:17 AM To: IBM-MAIN@BAMA.UA.EDU Subject: Re: FW: Do we have to defrag MVS

Re: FW: Do we have to defrag MVS volumes on newer generation disk arrays?

2007-05-01 Thread Ron Hawkins
their JCL without actually having to change the JCL itself. Ron > -Original Message- > From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On > Behalf Of Greg Shirey > Sent: Tuesday, 1 May 2007 10:37 PM > To: IBM-MAIN@BAMA.UA.EDU > Subject: Re: FW: Do we

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