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| File Processing error |
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| mqjeff |
 Posted: Thu Apr 16, 2015 8:05 am Post subject: |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| zpat wrote: |
| Any OS that makes file integrity optional is a pile of junk. |
Unix supports a large number of file systems, including a journalling file system.
NFSv3 doesn't support file locks... and it is a pile of junk.. .NFS v4 does better.
However, this problem has absolutely nothing to do with the file system. It's a basic characteristic of how the FTP server delivers the file to it's final location, as well as a basic problem with reading files in the first place.... In the general case, reading a file is a straightforward example of the Halting Problem. You only know that the file is safe to read when you know that the program writing it has halted. |
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| Vitor |
| Posted: Thu Apr 16, 2015 8:56 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| fjb_saper wrote: |
Not so much an issue with Unix/Linux as an issue with FTP across all distributed platforms...  |
Including distributed to z/OS in either direction....
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| fjb_saper |
| Posted: Thu Apr 16, 2015 9:12 am Post subject: |
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Grand High Poobah
Joined: 18 Nov 2003
Posts: 20697
Location: LI,NY
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| Vitor wrote: |
| fjb_saper wrote: |
| Not so much an issue with Unix/Linux as an issue with FTP across all distributed platforms... |
Including distributed to z/OS in either direction.... |
And here I thought z/OS had some extra controls to make sure the troubles of distributed ftp / sftp did not touch it... 
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| Vitor |
| Posted: Thu Apr 16, 2015 9:24 am Post subject: |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| fjb_saper wrote: |
| Vitor wrote: |
| fjb_saper wrote: |
| Not so much an issue with Unix/Linux as an issue with FTP across all distributed platforms... |
Including distributed to z/OS in either direction.... |
And here I thought z/OS had some extra controls to make sure the troubles of distributed ftp / sftp did not touch it... |
If the distributed side "misbehaves" then you're as screwed.
It's possibly easier to detect and remediate inside z/OS but not measurably easier than moving or renaming a distributed file....
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