SAVOBJ and SAVLIB to IFS

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Is it possible to do a SAVOBJ or SAVLIB to IFS instead of tape? And, If so, are there benefits or drawbacks?

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  • TomLiotta
    Any save to a savefile is a save "to IFS". A save to virtual optical or tape is a save "to IFS". If you write code to the QaneSava and QaneRsta APIs, you can save to and restore from wherever you can write code for. Benefits and drawbacks are whatever they happen to be for your environment. . Tom
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  • CharlieBrowne
    Biggest drawback is you are saving the data on the same machine as the source. If you have a disaster, you have lost it all. If you then push the data someone else off site, but keep the save on the IFS for a quick recovery, that would be OK
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  • smintz
    Thanks for the replies, I may have asked the question wrong. Out network Engr wants to save to his servers. He thinks that is better than tape. Isn’t that the IFS?
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  • TomLiotta
    Isn’t that the IFS?
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    • The integrated file system is a part of the i5/OS® operating system that supports stream input/output and storage management similar to personal computer and UNIX operating systems, while providing an integrating structure over all information stored on your system.
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    It refers to how all of the various file systems are "integrated" together and accessible through a single set of APIs and commands. Although all objects are 'accessible', actions that can be performed on objects through IFS interfaces are restricted by each specific file system. E.g., some things can be done to objects in the /QNTC file system that cannot be done to objects in the /QSYS.LIB file system even though both file systems are in the IFS.
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    In short, IFS is simply the name IBM uses to explain how all the different kinds of things can co-exist and be handled in an integrated way.
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    Tom
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  • smintz
    Thanks Tom, In short, can AS/400 file be backed up to a server instead(or also) tape?
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  • TomLiotta
    ...In short, can AS/400 file be backed up to a server instead(or also) tape?
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    More or less, yes, though there is no native function to do it (unless the "server" is a compatible AS/400-series system) because no other server would have any idea what to do with the output. It's not particularly hard to implement by using the QaneSava API while saving and the QaneRsta API while restoring.
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    Or, the save-image files for virtual tape can be copied off to network shares after a save operation is completed. That's also true of actual savefiles. The difference between those and the APIs is that your exit programs for the APIs would write (or read) individual buffers one at a time to (or from) network shares, while virtual tape or savefile handling requires complete save-image objects to be transferred.
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    Of course, there are also 3rd-party products that do it.
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    Tom
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