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<p>Folks,</p>
<p>Recall that during the transition of /work/halld to a new server
a couple of weeks ago, /work/halld3 was left alone. SciComp is now
ready to move /work/halld3 to a subdirectory of /work/halld3.
Links will be installed so that the path /work/halld3 will
continue to find the same files as it did in the past, but the
physical location of those files will have changed. And any path
starting with /w/halld-sciwork18, which does work now, will not
work after the transition (it may resolve to a read-only file
system at first before disappearing permanently).<br>
</p>
<p><b>The cut-over will happen between 9 am and 10 am
(approximately) Thursday, September 2 (day after tomorrow)</b>.
During this time the files on /work/halld3 will be unavailable.</p>
<p>One technical point: the majority of files have already been
transferred to their new home. The outage is to transfer files
that will have recently appeared on the old server to the new. At
that point write access to the old server will be removed so that
no more new files are created. To make this final transfer go
faster, we want to minimize the volume of "new" files on the old
server. So for the next couple of days, before the switch, please
try to limit the volume of new files being written to
/work/halld3. Said another way, please refrain from dumping
multi-terabyte datasets to /work/halld3 until after the
transition. <br>
</p>
<p> -- Mark</p>
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<p><br>
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