In <[EMAIL PROTECTED]>, on 02/15/2008
at 06:53 PM, "(IBM Mainframe Discussion List)" <[EMAIL PROTECTED]>
said:
>OK, I'll bite. A PDS directory block has an 8-byte count area, an
>8-byte key area, and a 256-byte data area.
Aha!
>When is a directory block not 256 bytes long?
When 8 is not equal to 0. Which is why the number of directory blocks per
3390 track is what it is and not larger.
--
Shmuel (Seymour J.) Metz, SysProg and JOAT
ISO position; see <http://patriot.net/~shmuel/resume/brief.html>
We don't care. We don't have to care, we're Congress.
(S877: The Shut up and Eat Your spam act of 2003)
----------------------------------------------------------------------
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
