On Thu, 22 Oct 2020 08:52:38 -0700, Charles Mills wrote: >Putting it differently, there is no distinction between "member data space" >and "directory entry space." Being out of one is being out of both. A PDSE of >10 tracks could equally well hold one member of ~500K or lots and lots of tiny >or "null" members. A mischievous programmer adding an unbounded number of >empty members would be no different in effect from a mischievous programmer >adding one member of unbounded size. > Similar to modern UNIX filesystems' removing the boundary between inode space and member space: $ df -k / Filesystem 1024-blocks Used Available Capacity iused ifree %iused Mounted on /dev/disk3s1 195312500 133893044 57597328 70% 1662310 9223372036853113497 0% /
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