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Looks like the PXI code only handles smaller data sizes (i.e. increasing the report rate) for the data file it saves locally but always uses the full data rate when writing to EPICS.
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<div>With the default array size this is limited to 4064 elements. This is why data looks like it is missing.</div>
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<div>We can either modify the code on the PXI and softIOC or try switching the OS to Windows, neither of which sound appealing but the latter at least lets us keep the external tooling the same (no changes to softIOC or analysis program) and doesn’t require
any code changes (on the PXI).</div>
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<blockquote type="cite">
<div>On Dec 5, 2023, at 12:44 PM, Benedikt Zihlmann <zihlmann@jlab.org> wrote:</div>
<br class="Apple-interchange-newline">
<div><span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">As
you can see in the attached screen shot almost 2/3 of the data is missing</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">looks
like only every 3rd package arrives.</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">cheers,</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<span style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none; float: none; display: inline !important;">Beni</span><br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<br style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
<div class="moz-cite-prefix" style="caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;">
On 12/4/23 17:35, Brian Eng wrote:<br>
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<blockquote type="cite" cite="mid:MN2PR09MB551511D94721D2E65441A7B5A586A@MN2PR09MB5515.namprd09.prod.outlook.com" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: 400; 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; text-decoration: none;">
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The controller running now was swapped out in May of this year.</div>
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<div class="elementToProof" style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">
We've never used Windows as an OS, only Phar Lap or NI Linux.</div>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" style="font-size: 11pt;"><b>From:</b><span class="Apple-converted-space"> </span>Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a><br>
<b>Sent:</b><span class="Apple-converted-space"> </span>Monday, December 4, 2023 4:49 PM<br>
<b>To:</b><span class="Apple-converted-space"> </span>Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Cc:</b><span class="Apple-converted-space"> </span><a class="moz-txt-link-abbreviated" href="mailto:dsg-halld_magnets@jlab.org">dsg-halld_magnets@jlab.org</a><span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:dsg-halld_magnets@jlab.org"><dsg-halld_magnets@jlab.org></a><br>
<b>Subject:</b><span class="Apple-converted-space"> </span>Re: PXI</font>
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<div class="x_elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Thanks! I think we should try<span class="Apple-converted-space"> </span></span><span style="letter-spacing: normal; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 16px; font-weight: 400; background-color: rgb(255, 255, 255);">2500
element arrays</span><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"> and use 4Hz update rate. The part of ROOT writer is easy to change. I am not sure what is hard coded in the analyzer. </span></div>
<div class="x_elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">I forgot where the bottleneck was when we were tuning this in 2013 with the old controller. </span></div>
<div class="x_elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;"><br>
</span></div>
<div class="x_elementToProof"><span style="letter-spacing: normal; font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt; font-weight: 400;">When was this controller first used in the chassis with Linux
operating system? Did we used Windows OS in the spring and summer? </span></div>
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<div class="x_elementToProof"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Hovanes. </span></div>
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<div id="x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 4:38 PM<br>
<b>To:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a>;
Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a><br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:dsg-halld_magnets@jlab.org">dsg-halld_magnets@jlab.org</a><span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:dsg-halld_magnets@jlab.org"><dsg-halld_magnets@jlab.org></a><br>
<b>Subject:</b> Re: PXI</span>
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Looks like with enough stop/start cycles the VI is running again.</div>
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I did edit the /etc/hosts file to include halld-pxi, but the VI is still showing it as<span class="Apple-converted-space"> </span><a href="ni.var.psp://localhost/">ni.var.psp://localhost/</a>... so I don't think that made any difference.</div>
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It does seem like the variables aren't using enough capacity, they're only being reported as 4064 elements instead of 10000.</div>
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Maybe we could just increase the reporting rate to 4 Hz so the array size is only 2500?</div>
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<div id="x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> dsg-halld_magnets<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:dsg-halld_magnets-bounces@jlab.org"><dsg-halld_magnets-bounces@jlab.org></a><span class="Apple-converted-space"> </span>on
behalf of Brian Eng via dsg-halld_magnets<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:dsg-halld_magnets@jlab.org"><dsg-halld_magnets@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 4:11 PM<br>
<b>To:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Cc:</b> <a class="moz-txt-link-abbreviated" href="mailto:dsg-halld_magnets@jlab.org">dsg-halld_magnets@jlab.org</a><span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:dsg-halld_magnets@jlab.org"><dsg-halld_magnets@jlab.org></a><br>
<b>Subject:</b> Re: [dsg-halld_magnets] PXI</span>
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I tried stopping/starting the program via the debug application, but it seems to be getting stuck when it goes to deploy the PVs. I've attached a screenshot of the front panel of the main.</div>
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I'm fairly certain the variables (all the<span class="Apple-converted-space"> </span><a href="ni.var.psp://localhost/">ni.var.psp://localhost/</a>... array entries) weren't aliased to localhost in previous versions, but am not 100% sure. At least in the code
they're all listed as starting with<span class="Apple-converted-space"> </span><a href="ni.var.psp://halld-pxi/">ni.var.psp://halld-pxi/</a>...</div>
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<div style="direction: ltr;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; background-color: rgb(255, 255, 255);">I'm hoping it's just some setting that needs to be updated (assuming that is the problem
and not something else), but both NI MAX and the Linux command line list the hostname as halld-pxi.</span></div>
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I'm going to CC the DSG mailing list so others are aware of the issue and might be able to think of other possible things to try.</div>
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<div id="x_x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 3:56 PM<br>
<b>To:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Subject:</b> Re: PXI</span>
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<div style="direction: ltr;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">The MAC address is correct on the network, that is the is the device that responds to arping. But it is
not correct in JNET/DNS and in the DHCP server, they have 00:80:2f:17:c8:65 in them. I can change that , although it may not change much if the controller is configured as static. </span></div>
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It seems to have the EPICS variables on the server, but somehow they cannot be read. </span></div>
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<div style="direction: ltr; margin: 0px;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">Hovanes. </span></div>
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<div id="x_x_x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 3:53 PM<br>
<b>To:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Subject:</b> Re: PXI</span>
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The PXI is online, but doesn't seem to be running.</div>
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I'm going to connect to the debug application and see if stopping/starting it from there makes any difference.</div>
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<div id="x_x_x_x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 3:41 PM<br>
<b>To:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Subject:</b> Re: PXI</span>
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I'm not planning on doing anything with it yet. I thought Beni was doing stuff with it earlier?</div>
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If it's up and online we should just leave it for now.</div>
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<div style="direction: ltr;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">The MAC should be = 00:80:2F:17:9D:C7</span></div>
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<div style="direction: ltr;"><span style="font-family: Aptos, Aptos_EmbeddedFont, Aptos_MSFontService, Calibri, Helvetica, sans-serif; font-size: 12pt;">I just verified that is setup to be a static IP.</span></div>
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<div id="x_x_x_x_x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 3:34 PM<br>
<b>To:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Subject:</b> Re: PXI</span>
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Please, do not reboot the PXI chassis if you get it working (now it looks like it is working). Let's see first what is wrong with it while it is working. I would like to check if the MAC address on it matches what is in DNS. I also want to see the lengths
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Hovanes. </div>
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<div id="x_x_x_x_x_x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 3:28 PM<br>
<b>To:</b> Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Cc:</b> Hovanes Egiyan<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:hovanes@jlab.org"><hovanes@jlab.org></a><br>
<b>Subject:</b> Re: PXI</span>
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If you only saw part of the data, then that is probably the issue that is mentioned in that knowledge base article, where NI Linux isn't respecting the EPICS array size. Which ... would be kind of bad. The newer controllers can only run Windows or NI Linux.
The current controller is in that overlap region where it can run Windows, NI Linux, or Pharlap (which is EOL).</div>
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If it does come back online and still can't see all the data I'll have to try with Windows on the controller to see if it even works. Otherwise I'm not sure what else we can do; smaller, more frequent array updates maybe?</div>
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As for restarting or not, I saw last week that it basically took a few tries to work.</div>
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Remotely doing an off then on didn't work. Local chassis power button worked as well as doing a remote cycle (which in theory should be the same as doing an off/on).</div>
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It should be set to a static IP, so there shouldn't be any IP to get.</div>
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<div id="x_x_x_x_x_x_x_x_divRplyFwdMsg" dir="ltr"><span style="font-family: Calibri, sans-serif; font-size: 11pt;"><b>From:</b> Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Sent:</b> Monday, December 4, 2023 3:23 PM<br>
<b>To:</b> Brian Eng<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:beng@jlab.org"><beng@jlab.org></a>; Benedikt Zihlmann<span class="Apple-converted-space"> </span><a class="moz-txt-link-rfc2396E" href="mailto:zihlmann@jlab.org"><zihlmann@jlab.org></a><br>
<b>Subject:</b> PXI</span>
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<div style="direction: ltr;"><span style="font-size: 11pt;">Hi Brian,<br>
<br>
I guess I screwed up the PXI again. I saw on Friday that it was running<br>
and producing<br>
data however the data was "corrupted" and only part of the data was in<br>
the root file.<br>
so I restarted the PXI ioc but that did not help so I rebooted the PXI<br>
and of course that<br>
did not work either and when I rebooted it the second time it did not<br>
come back.<br>
<br>
I think this may be a similar problem we had in the past that the PXI<br>
does not get<br>
its IP address?<br>
<br>
I am going over the to the hall now to see what happens when I reboot it<br>
right there.<br>
<br>
cheers,<br>
Beni<br>
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