[gpfsug-discuss] backup and disaster recovery solutions
Marc A Kaplan
makaplan at us.ibm.com
Mon Apr 11 16:50:03 BST 2016
IBM HSM products have always supported unprivileged, user triggered recall
of any file. I am not familiar with any particular GUI, but from the CLI,
it's easy enough:
dd if=/pathtothefileyouwantrecalled of=/dev/null bs=1M count=2 & #
pulling the first few blocks will trigger a complete recall if the file
happens to be on HSM
We also had IBM HSM for mainframe MVS, years and years ago, which is now
called DFHSM for z/OS. (I remember using this from TSO...)
If the file has been migrated to a tape archive, accessing the file will
trigger a tape mount which can take a while, depending on how fast your
tape mounting (robot?), operates and what other requests may be queued
ahead of yours....!
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