Sharing data between z/OS and Linux on z/Series
I know this topic has been done before - but you never know if something new has come to pass... The subject says it all -- We know NFS works -- but we're looking for solutions outside of NFS. A customer recently asked me about 'zFS' (which appears to come from an older reference at the IBM Haifa website).. Outside of network mounts -- is anyone aware of something that allows either z/OS to read Linux filesystems directly, or vice-a-versa? (ECKD or FCP/SAN) Thanks for any suggestions! Scott Rohling -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
Rumor has it that GPFS will acquire that capability soon. Outside of network mounts -- is anyone aware of something that allows either z/OS to read Linux filesystems directly, or vice-a-versa? (ECKD or FCP/SAN) -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
Scott, there's an open source project called MVSDASD that provides a read only Linux device driver to flat files stored on MVS DASD; e.g., sequential z/OS datasets. It even has a page comparing it to NFS. It's web site is located here: http://www.mvsdasd.org/ Good luck. Scott Rohling wrote: I know this topic has been done before - but you never know if something new has come to pass... The subject says it all -- We know NFS works -- but we're looking for solutions outside of NFS. A customer recently asked me about 'zFS' (which appears to come from an older reference at the IBM Haifa website).. Outside of network mounts -- is anyone aware of something that allows either z/OS to read Linux filesystems directly, or vice-a-versa? (ECKD or FCP/SAN) Thanks for any suggestions! Scott Rohling -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- DJ V/Soft z/VM and mainframe Linux expertise, training, consulting, and software development www.vsoft-software.com -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
Thanks David and Dave! I've passed this on .. appreciate the response .. Scott Rohling On Fri, Sep 26, 2008 at 12:20 PM, Dave Jones [EMAIL PROTECTED]wrote: Scott, there's an open source project called MVSDASD that provides a read only Linux device driver to flat files stored on MVS DASD; e.g., sequential z/OS datasets. It even has a page comparing it to NFS. It's web site is located here: http://www.mvsdasd.org/ Good luck. Scott Rohling wrote: I know this topic has been done before - but you never know if something new has come to pass... The subject says it all -- We know NFS works -- but we're looking for solutions outside of NFS. A customer recently asked me about 'zFS' (which appears to come from an older reference at the IBM Haifa website).. Outside of network mounts -- is anyone aware of something that allows either z/OS to read Linux filesystems directly, or vice-a-versa? (ECKD or FCP/SAN) Thanks for any suggestions! Scott Rohling -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- DJ V/Soft z/VM and mainframe Linux expertise, training, consulting, and software development www.vsoft-software.com -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
Scott, NFS is of course one option for sharing file systems, but its security model and performance may not meet your requirements. MVSDASD has no security model - and doesn't even support the necessary serialization to be considered safe IMO. It would be nice if z/OS zFS filesystems could be shared with Linux on z, but don't hold your breath. Even so, that wouldn't address sharing of MVS datasets. While not a file sharing technology per se, our free Co:Z toolkit allows processes on z/OS to exchange data with processes on Linux on z It uses SSH to setup processes and connections between z/OS and Linux, but you can also configure it to use clear-channel socket connections for data transfer (taking advantage of hipersockets). For more information, see: http://dovetail.com/coz Kirk Wolf Dovetailed Technologies On Fri, Sep 26, 2008 at 2:36 PM, Scott Rohling [EMAIL PROTECTED]wrote: Thanks David and Dave! I've passed this on .. appreciate the response .. Scott Rohling On Fri, Sep 26, 2008 at 12:20 PM, Dave Jones [EMAIL PROTECTED] wrote: Scott, there's an open source project called MVSDASD that provides a read only Linux device driver to flat files stored on MVS DASD; e.g., sequential z/OS datasets. It even has a page comparing it to NFS. It's web site is located here: http://www.mvsdasd.org/ Good luck. Scott Rohling wrote: I know this topic has been done before - but you never know if something new has come to pass... The subject says it all -- We know NFS works -- but we're looking for solutions outside of NFS. A customer recently asked me about 'zFS' (which appears to come from an older reference at the IBM Haifa website).. Outside of network mounts -- is anyone aware of something that allows either z/OS to read Linux filesystems directly, or vice-a-versa? (ECKD or FCP/SAN) Thanks for any suggestions! Scott Rohling -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- DJ V/Soft z/VM and mainframe Linux expertise, training, consulting, and software development www.vsoft-software.com -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
On Friday, 09/26/2008 at 04:47 EDT, Kirk Wolf [EMAIL PROTECTED] wrote: NFS is of course one option for sharing file systems, but its security model and performance may not meet your requirements. MVSDASD has no security model - and doesn't even support the necessary serialization to be considered safe IMO. I agree on both points, with one exception: This is ok if you want to keep Linux configuration data in a z/OS dataset. You need to ensure that only the volume containing the Linux-specific dataset is accessible by Linux, and ensure that no other datasets are allocated on said volume. But no way should Linux have direct disk access to any other operating system's production data, including other Linuxen. No security, no auditability, no accountability. (shudder) Alan Altmark z/VM Development IBM Endicott -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
On Sep 26, 2008, at 4:53 PM, Alan Altmark wrote: No security, no auditability, no accountability. (shudder) Sounds just perfect for today's financial industry. Adam -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
Re: Sharing data between z/OS and Linux on z/Series
On Sep 26, 2008, at 4:57 PM, Adam Thornton wrote: On Sep 26, 2008, at 4:53 PM, Alan Altmark wrote: No security, no auditability, no accountability. (shudder) Sounds just perfect for today's financial industry. Fun Friday fact! The Dept of the Treasury says that a dollar bill is .0043 inches thick. So if you made a stack of 700 billion of them, you'd have a belt 47,506 miles long, which would wrap around the earth at its equator almost twice! Adam -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
