You could do the same thing with minidisks - just define 31 of them and choose which on to link to based on the day.
Brian Nielsen On Wed, 29 Apr 2009 10:50:27 -0700, James Stracka (DHL US) <james.stra...@dhl.com> wrote: >I had proposed that but SFS is not used here so that is a hard sell. > >-----Original Message----- >From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On >Behalf Of Schuh, Richard >Sent: Wednesday, April 29, 2009 10:42 AM >To: IBMVM@LISTSERV.UARK.EDU >Subject: Re: How Many Files Can Be on a Minidisk Before It Cannot be >ACCESSed? > >Would the application be amenable to writing each day's files to a >separate subdirectory and only accessing the ones needed at any given >time? There could be 31 subdirectories, one for each possible day of the >month. Before writing the file for any given day, that subdirectory >could be cleared with or without being archived. The directories could >also be used without being accessed. If only work days are needed, you >would have to clear the ones corresponding to the weekends and holidays >as appropriate. > >Regards, >Richard Schuh > > > >> -----Original Message----- >> From: The IBM z/VM Operating System >> [mailto:ib...@listserv.uark.edu] On Behalf Of James Stracka (DHL US) >> Sent: Wednesday, April 29, 2009 9:44 AM >> To: IBMVM@LISTSERV.UARK.EDU >> Subject: Re: How Many Files Can Be on a Minidisk Before It >> Cannot be ACCESSed? >> >> This application puts about 10,000 files a day on its >> minidisk. The application owner wants to keep a month's >> worth of data online. Given >> 64 bytes per file and 14M usable, that is approximately 230,000 files. >> That would be exactly a full working month. >> >> I am trying to convince the application owner to archive more >> frequently or go to a weekly basis as it is approaching an >> architectural limit. >> >> By the way, there is noting wrong with either minidisk. They >> just contain a large amount of small files. >> >> -----Original Message----- >> From: The IBM z/VM Operating System >> [mailto:ib...@listserv.uark.edu] On Behalf Of Schuh, Richard >> Sent: Wednesday, April 29, 2009 9:22 AM >> To: IBMVM@LISTSERV.UARK.EDU >> Subject: Re: How Many Files Can Be on a Minidisk Before It >> Cannot be ACCESSed? >> >> If there were nothing else below the 16M line except for FST, >> the maximum is 262144. Start with that number and subtract 64 >> for every page < 16M that is otherwise occupied. This is >> obviously less than the 279711 files on your 2 disks. Is it >> possible for you to limit what gets put in the FST by >> accessing by mode number (acc 999 x/x * * x2)? Another >> possibility would be to put the files in SFS and use them >> without accessing the directories, or by using subdirectories >> to limit the number of files accessed. >> >> Regards, >> Richard Schuh >> >> >> >> > -----Original Message----- >> > From: The IBM z/VM Operating System >> > [mailto:ib...@listserv.uark.edu] On Behalf Of James Stracka (DHL US) >> > Sent: Wednesday, April 29, 2009 8:59 AM >> > To: IBMVM@LISTSERV.UARK.EDU >> > Subject: Re: How Many Files Can Be on a Minidisk Before It >> Cannot be >> > ACCESSed? >> > >> > It is a CMS architecture limit. Do not make me go to IBMIN. >> > >> > -----Original Message----- >> > From: The IBM z/VM Operating System >> > [mailto:ib...@listserv.uark.edu] On Behalf Of Imler, Steven J >> > Sent: Wednesday, April 29, 2009 8:44 AM >> > To: IBMVM@LISTSERV.UARK.EDU >> > Subject: Re: How Many Files Can Be on a Minidisk Before It >> Cannot be >> > ACCESSed? >> > >> > Are you sure the minidisk is not corrupted? Do you have a backup >> > product that might help to tell you that it is? >> > >> > >> > JR (Steven) Imler >> > CA >> > Senior Sustaining Engineer >> > Tel: +1-703-708-3479 >> > steven.im...@ca.com >> > >> > >> > >> > >> > > -----Original Message----- >> > > From: The IBM z/VM Operating System >> [mailto:ib...@listserv.uark.edu] >> > On >> > > Behalf Of James Stracka (DHL US) >> > > Sent: Wednesday, April 29, 2009 11:36 AM >> > > To: IBMVM@LISTSERV.UARK.EDU >> > > Subject: How Many Files Can Be on a Minidisk Before It Cannot be >> > ACCESSed? >> > > >> > > We have a minidisk with 152715 files on it and another >> with 126996 >> > > files. Since the FAT is below the line, we cannot access both of >> > these >> > > minidisks concurrently. >> > > DMSACP109S Virtual storage capacity exceeded >> > > >> > > Given that the "S" and "Y" disks as well as CMS take storage below >> > 16M, >> > > does anybody have an idea of approximately how many files >> > will go on a >> > > minidisk (I suppose an SFS directory will have the same concern) >> > before >> > > it cannot be accessed? >> > >> >======================== ========================= =======================
