W dniu 09.12.2020 o 19:14, Paul Gilmartin pisze:
On Wed, 9 Dec 2020 18:25:19 +0100, R.S. wrote:
...
For blank new installations - download (or order media) DVD images of
Driver system and put it into DVD drive in HMC... Well... there is no
longer DVD drive... However you can put DVD content into some ftp server
directory and IPL from that directory.
Ah! So it's possible to IPL from network. (IANASysadmin, so not in my
skill set.) FTP only, or other schemes? FTP is problematic; too widely
considered insecure. Windows has a server, concealed under IIS; I've
used FileZilla server.
MacOS and Linux readily support mounting .iso images; so "content" step may
be skipped. Windows image mounter flickers in and out of support. I used
Virtual CloneDrive (Dolly? in logo).
Never for IPL (IANASysadmin), but for SMP/E RECEIVE FROMNETWORK.
Testers found the process so tedious I fell back to packaging a "pax"ed
SMPNTS and recommending "pax -r"; RECEIVE FROMNTS.
Some customers wished for a set of .xmit PDSU. I demurred; masochists:
Too many steps for them to install; unlike any IBM product (but the
customer cited one product so packaged. It was from a recently-acquired
subsidiary). And too many steps for me to package.
I perceived aversion to RECEIVE FROMNTS as UNIXphobia. Our product
was not so large that DASD space was a concern. Can't please everyone.
Gil,
Don't kill messenger ;-)
Yes, it is possible to IPL from network, it has been possible since z990
or z9.
Nowadays it is possible to use FTP, SFTP or FTPS protocol. I talked to
some IBMer responsible for internal code and they changed all "ftp" to
use any of three protocols/flavours. It is already changed since z14.
Of course the server is not included, so it is up to you to set up some
ftp/sftp/ftps server and disk space, and Internet connectivity.And power
supply...
Regarding .ISO images - this is ISO, standard! Vanilla Win10 will manage
it. Of course a lot of other tools also manage such images.
And no, ...yes! There is a choice: ISO file from Internet or physical
DVD from IBM. Still no PDSU, XMIT, etc. Caution: DVD content need not to
be set of MVS files. Note, z/VM is on DVD as well. There are standalone
tools on DVD (or IPL-able from network). zLinux installation is IPL-able
from network. ZZSA is IPL-able from network.
BTW: previously z/OS Driver was distributed on DVD, but it *HAD* to be
physically ran from DVD. Otherwise you could IPL it, but next step
wanted to read from DVD drive. FTP was not an option. At the time z/VM
was installable/IPL-able from both DVD and network.
--
Radoslaw Skorupka
Lodz, Poland
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