I use 60 % free space. In this way, the entire contents can be replaced (if needed) and also allows for some growth.
-----Original Message----- From: IBM Mainframe Discussion List <IBM-MAIN@LISTSERV.UA.EDU> On Behalf Of Blake, Daniel J [CTR] Sent: Tuesday, October 2, 2018 5:55 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: S106 abends after copying into LINKLIST When building a new system or adding maintenance I go back through all LNK, LPA and APF libraries making sure they all have at least 20% free space. If for no other reason getting setup for the next maintenance cycle. When I'm bored, which is almost never, I'll check every data set on the RES volume for free space. ;-D an -----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Vernooij, Kees (ITOPT1) - KLM Sent: Tuesday, October 02, 2018 2:38 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: S106 abends after copying into LINKLIST You can also avoid both by allocating it large enough: calculate what you need during the life of the IPL, double, triple or whatever it and you can sleep quietly. What do a few 1000 cyls cost these days? Kees. > -----Original Message----- > From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] > On Behalf Of Ed Jaffe > Sent: 02 October, 2018 8:33 > To: IBM-MAIN@LISTSERV.UA.EDU > Subject: Re: S106 abends after copying into LINKLIST > > On 10/1/2018 1:34 PM, Jesse 1 Robinson wrote: > > There are two separate problems here. (1) A link list library taking > > a > new extent after IPL. (2) An LLA-managed library having contents moved > by either compress or reload. > > > > (1) Can be avoided by simply not defining any secondary extent, i.e. > specifying a secondary of zero. Getting more than one extent to > satisfy the original allocation is not a problem as long as no > additional extent is allowed afterward. If a new extent is truly > needed to hold enlarged content, then link list update can be used. > > > > (2) Seems to be OP's issue. LLA REFRESH can handle the consequences > > of > dynamic update within the original (IPL time) extent(s). Note that > REFRESH is needed on all sharing systems. > > I never liked defining secondary of zero. I realize it's IBM's > recommendation, but it all but ensures a compress will be performed > when the library fills up. I've had systems crash either during or > after such a compress -- sometimes with disastrous consequences! > > I would much rather take a new extent for one relinked module than > risk corrupting the *ENTIRE LIBRARY* with a "live" compress using DISP=SHR. > Of course, periodic compress of LNKLST PDS libraries is not a bad idea > when done under controlled circumstances: i.e., "quiet" time and LLA > on all sharing systems has been shut DOWN. Also, I like to STEPLIB any > IEBCOPY job to a recent *copy* of SYS1.LINKLIB to ensure IEBCOPY > program parts are not moved during the compress... BTDTGTS!! > > > -- > Phoenix Software International > Edward E. 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