<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body dir="auto"><div>Hi</div><div><br></div><div>Creating a new FS sounds like a best way to go. NSDv2 being a very good reason to do so.</div><div><br></div><div>AFM for migrations is quite good, latest versions allows to use NSD protocol for mounts as well. Olaf did a great job explaining this scenario on the redbook chapter 6</div><div><br></div><div><a href="http://www.redbooks.ibm.com/abstracts/sg248254.html?Open">http://www.redbooks.ibm.com/abstracts/sg248254.html?Open</a><br><br><div>--<div>Cheers </div></div></div><div><br>On 10 Oct 2016, at 23.05, Buterbaugh, Kevin L <<a href="mailto:Kevin.Buterbaugh@Vanderbilt.Edu">Kevin.Buterbaugh@Vanderbilt.Edu</a>> wrote:<br><br></div><blockquote type="cite"><div>
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Hi Mark,
<div class=""><br class=""></div><div class="">The last time we did something like this was 2010 (we’re doing rolling refreshes now), so there are probably lots of better ways to do this than what we did, but we:</div><div class=""><br class=""></div><div class="">1) set up the new hardware</div><div class="">2) created new filesystems (so that we could make adjustments we wanted to make that can only be made at FS creation time)</div><div class="">3) used rsync to make a 1st pass copy of everything</div><div class="">4) coordinated a time with users / groups to do a 2nd rsync when they weren’t active</div><div class="">5) used symbolic links during the transition (i.e. rm -rvf /gpfs0/home/joeuser; ln -s /gpfs2/home/joeuser /gpfs0/home/joeuser)</div><div class="">6) once everybody was migrated, updated the symlinks (i.e. /home became a symlink to /gpfs2/home)</div><div class=""><br class=""></div><div class="">HTHAL…</div><div class=""><br class=""></div><div class="">Kevin</div><div class=""><br class=""><div><blockquote type="cite" class=""><div class="">On Oct 10, 2016, at 2:56 PM, <a href="mailto:Mark.Bush@siriuscom.com" class="">Mark.Bush@siriuscom.com</a> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);"><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri;" class=""><span style="font-size: 11pt;" class="">Have a very old cluster built on IBM X3650’s and DS3500. Need to refresh hardware. Any lessons learned in this process? Is it easiest to just build new cluster and then use AFM? Add to existing cluster then decommission
nodes? What is the recommended process for this?<o:p class=""></o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0in 0in 0.0001pt; font-size: 12pt; font-family: Calibri;" class=""><span style="font-size: 11pt;" class="">Mark<o:p class=""></o:p></span></div></div><p style="font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); font-size: 8pt; line-height: 10pt; font-family: Cambria, 'times roman', serif;" class="">This message (including any attachments) is intended only for the use of the individual or entity to which it is addressed and may contain information that is non-public, proprietary, privileged, confidential, and exempt from disclosure under applicable law.
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Computer Solutions</a></span><span style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class=""></span><div style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""></div><span style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">_______________________________________________</span><br style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">gpfsug-discuss
mailing list</span><br style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><span style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); float: none; display: inline !important;" class="">gpfsug-discuss
at<span class="Apple-converted-space"> </span></span><a href="http://spectrumscale.org/" style="color: rgb(149, 79, 114); text-decoration: underline; font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">spectrumscale.org</a><br style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""><a href="http://gpfsug.org/mailman/listinfo/gpfsug-discuss" style="color: rgb(149, 79, 114); text-decoration: underline; font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class="">http://gpfsug.org/mailman/listinfo/gpfsug-discuss</a><br style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255);" class=""></div></blockquote></div></div><br class=""><div class=""><div class="">—</div><div class="">Kevin Buterbaugh - Senior System Administrator</div><div class="">Vanderbilt University - Advanced Computing Center for Research and Education</div><div class=""><a href="mailto:Kevin.Buterbaugh@vanderbilt.edu" class="">Kevin.Buterbaugh@vanderbilt.edu</a> - (615)875-9633</div><div class=""><br class=""></div><br class="Apple-interchange-newline"></div><br class="">
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