We're at z/OS 2.2, hoping to go to 2.4 soon, so zfsadm compress isn't available.
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Mark Jacobs Sent: Friday, January 8, 2021 11:47 AM To: [email protected] Subject: Re: ZFS using zEDC hardware compression [External Email. Exercise caution when clicking links or opening attachments.] My personal zFS filesystem is compressed (using zfsadm compress) $ zfsadm fsinfo -aggregate OMVS.PROD.SY010A.ZFS File System Name: OMVS.PROD.SY010A.ZFS Status: RW,NS,EN,CO Legend: RW=Read-write, NS=Mounted NORWSHARE, EN=Encrypted, CO=Compressed Sent from ProtonMail, Swiss-based encrypted email. GPG Public Key - https://api.protonmail.ch/pks/lookup?op=get&[email protected] ‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐ On Friday, January 8th, 2021 at 11:20 AM, PINION, RICHARD W. <[email protected]> wrote: > That's a definitive answer, thanks. > > -----Original Message----- > > From: IBM Mainframe Discussion List [email protected] On Behalf > Of Seymour J Metz > > Sent: Friday, January 8, 2021 11:08 AM > > To: [email protected] > > Subject: Re: ZFS using zEDC hardware compression > > [External Email. Exercise caution when clicking links or opening > attachments.] > > A zFS is stored in a VSAM linear data set. I found "Only > extended-format key-sequenced data sets can be compressed." at > https://www.ibm.com/support/knowledgecenter/en/SSLTBW_2.1.0/com.ibm.zo > s.v2r1.idad400/compdta.htm > > > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > -------------------------------------------------------------------- > > Shmuel (Seymour J.) Metz > > http://mason.gmu.edu/~smetz3 > > From: IBM Mainframe Discussion List [[email protected]] on > behalf of PINION, RICHARD W. [[email protected]] > > Sent: Friday, January 8, 2021 10:00 AM > > To: [email protected] > > Subject: ZFS using zEDC hardware compression > > Can a ZFS dataset be defined with the DATACLAS zEDC compression option? I'm > looking for a way to reduce the size of our SMPNTS datasets. > > Confidentiality notice: > > This e-mail message, including any attachments, may contain legally > privileged and/or confidential information. If you are not the intended > recipient(s), or the employee or agent responsible for delivery of this > message to the intended recipient(s), you are hereby notified that any > dissemination, distribution, or copying of this e-mail message is strictly > prohibited. If you have received this message in error, please immediately > notify the sender and delete this e-mail message from your computer. > > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------------- > ---------------------------------------------------------------- > > 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 ---------------------------------------------------------------------- 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
