John has the easiest method down for sure. Here is the TSO UNMOUNT that will remount from read to readwrite. https://www.ibm.com/docs/en/zos/2.3.0?topic=commands-unmount-remove-file-system-from-file-hierarchy
Rob On Fri, Mar 25, 2022 at 8:14 PM Matt Hogstrom <[email protected]> wrote: > Gord, > > I think that might be it. I had checked that they were not read-only in > z/OS but you are correct. These systems are running under z/VM so I’ll > need to check with them to confirm but that makes perfect sense. > > If anyone is interested, the 3 MVS systems are in a SYSPLEX under z/VM > running under ZPDT. Amazing the things we can do these days . > > Gord, I sent the guys administering z/VM a question on this. I tried > allocating a dataset on the volume and got an I/O error. > > Thanks > > > Matt Hogstrom > [email protected] > +1-919-656-0564 > PGP Key: 0x90ECB270 > Facebook <https://facebook.com/matt.hogstrom> LinkedIn < > https://linkedin/in/mhogstrom> Twitter <https://twitter.com/hogstrom> > > “It may be cognitive, but, it ain’t intuitive." > — Hogstrom > > > On Mar 25, 2022, at 6:45 PM, Gord Tomlin < > [email protected]> wrote: > > > > On 2022-03-25 16:36 PM, Matt Hogstrom wrote: > >> I am getting these messages when attempting to mount as RDWR … READ > mounts fine. > >> > >> IOS000I 0AA4,EF,WRI,E7,0200,,56E80000,MT24R1,CATALOG , > 80020000A4000C0000000000000000A0A1A2A3A400030000000000E20000000C > >> IOS000I 0AA4,EF,WRI,E7,0200,,56E80000,MT24R1,CATALOG , > 80020000A4FFFF0000000000000000A0A1A2A3A400030000000000E20056E800 > > Is this z/OS system running under z/VM? If so, is volume MT24R1 attached > read-only to the z/OS guest? > > > > -- > > > > Regards, Gord Tomlin > > Action Software International > > (a division of Mazda Computer Corporation) > > Tel: (905) 470-7113, Fax: (905) 470-6507 > > Support: https://actionsoftware.com/support/ > > > > ---------------------------------------------------------------------- > > For IBM-MAIN subscribe / signoff / archive access instructions, > > send email to [email protected] with the message: INFO IBM-MAIN > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
