I don't think so, from what I recall, free space is only reserved during an initial load (maybe mass inserts too?)....
From: IBM Mainframe Discussion List on behalf of Michael PoilSent: Mon 12/3/2007 12:05 PMTo: [EMAIL PROTECTED]: Re: KSDS CA split, no CI split RS,Just remembered a VSAM "gottcha". After initial load yit is better toALTER the dataset to use FSPC(0 0) if you are using Sequential InsertStrategy so as to reduce the potential for CA splits. _________________________________________________________________ Share life as it happens with the new Windows Live.Download today it's FREE! http://www.windowslive.com/share.html?ocid=TXT_TAGLM_Wave2_sharelife_112007 ---------------------------------------------------------------------- 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

