-----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Peter Hunkeler Sent: 15 December, 2015 13:53 To: [email protected] Subject: AW: DFdss does not release space
>The only reason I can think of is that the datasets have allocated 5000 >tracks, but use 0. But I found no explanation nor selection parameter for >this. >From the DSS Guide: Chapter 9. Managing space with DFSMSdss Releasing unused space in data sets ... Exclude data sets whose last block pointer in the data set VTOC entry is not maintained in the VTOC by using the EXCLUDE keyword. This can occur if you use an access method other than BSAM, QSAM, BPAM, or VSAM. DFSMSdss does not release space for data sets whose last block pointer in the data set entry is 0. There does not seem to be an option to override this restriction. -- Thanks, that seems the explanation, as I guessed. Still I wonder why these are not released, they have secondary space and CA-DISK has no problem releasing them. Since they are SMS managed, they have a decent EOF and there should be no danger of freeing space with valid data in it because of an incorrect last block pointer. Kees. ******************************************************** For information, services and offers, please visit our web site: http://www.klm.com. This e-mail and any attachment may contain confidential and privileged material intended for the addressee only. If you are not the addressee, you are notified that no part of the e-mail or any attachment may be disclosed, copied or distributed, and that any other action related to this e-mail or attachment is strictly prohibited, and may be unlawful. If you have received this e-mail by error, please notify the sender immediately by return e-mail, and delete this message. Koninklijke Luchtvaart Maatschappij NV (KLM), its subsidiaries and/or its employees shall not be liable for the incorrect or incomplete transmission of this e-mail or any attachments, nor responsible for any delay in receipt. Koninklijke Luchtvaart Maatschappij N.V. (also known as KLM Royal Dutch Airlines) is registered in Amstelveen, The Netherlands, with registered number 33014286 ******************************************************** ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
