EPICS Controls Argonne National Laboratory

Experimental Physics and
Industrial Control System

1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  <20102011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024  Index 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  <20102011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
<== Date ==> <== Thread ==>

Subject: Channel Archiver overlapping blocks
From: <[email protected]>
To: <[email protected]>
Date: Fri, 1 Oct 2010 10:54:23 +0100
Hi

Does anyone have experience with overlapping blocks appearing in the
Rtree Channel Archiver? 

Our archive engine restarts each week. For a channel, sometimes the
first sample in the new week's archive has the same timestamp and value
as the first sample in the previous week's archive, after that the
samples are correct. This is not related to the IOC timestamps as it
happens across many channels. We do connect through the gateway but I'm
not aware of a gateway bug that could cause this.

Previous week  SSSSSSSSSSS
New week       S____________SSSSSSSSS

James

[jr76@pc0053 archiver_indexer]$
~/archiver/trunk/bin/linux-x86/ArchiveDataTool -verbose \
3 /extra1/index/archiver1/raid1/PS/2010/06_09/index -blocks -channel
LI-PS-VAULT-01:SRCH\
COUNT
RTree M for channel 'LI-PS-VAULT-01:SRCHCOUNT': 50
Datablocks for channel 'LI-PS-VAULT-01:SRCHCOUNT':
'20100609' @ 0xB4E6ED: Indexed range 06/08/2010 09:46:37.516254210 -
06/16/2010 07:15:30\
.669380000

1 data blocks, 0 hidden blocks, 1 total

[jr76@pc0053 archiver_indexer]$
~/archiver/trunk/bin/linux-x86/ArchiveDataTool -verbose \
3 /extra1/index/archiver1/raid1/PS/2010/06_16/index -blocks -channel
LI-PS-VAULT-01:SRCH\
COUNT
RTree M for channel 'LI-PS-VAULT-01:SRCHCOUNT': 50
Datablocks for channel 'LI-PS-VAULT-01:SRCHCOUNT':
'20100616' @ 0xBC0B10: Indexed range 06/08/2010 09:46:37.516254210 -
06/17/2010 10:26:40\
.334905070

1 data blocks, 0 hidden blocks, 1 total


-- 
This e-mail and any attachments may contain confidential, copyright and or privileged material, and are for the use of the intended addressee only. If you are not the intended addressee or an authorised recipient of the addressee please notify us of receipt by returning the e-mail and do not use, copy, retain, distribute or disclose the information in or attached to the e-mail.
Any opinions expressed within this e-mail are those of the individual and not necessarily of Diamond Light Source Ltd. 
Diamond Light Source Ltd. cannot guarantee that this e-mail or any attachments are free from viruses and we cannot accept liability for any damage which you may sustain as a result of software viruses which may be transmitted in or with the message.
Diamond Light Source Limited (company no. 4375679). Registered in England and Wales with its registered office at Diamond House, Harwell Science and Innovation Campus, Didcot, Oxfordshire, OX11 0DE, United Kingdom
 





Replies:
RE: Channel Archiver overlapping blocks james.rowland
Re: Channel Archiver overlapping blocks Kasemir, Kay

Navigate by Date:
Prev: Re: Cross compiling EPICS for cris v10 Burkhard Kolb
Next: RE: Channel Archiver overlapping blocks james.rowland
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  <20102011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
Navigate by Thread:
Prev: RE: vxWorks 6.7 tNet0 task crashed with fage fault: help needed from vxWorks guru Jeff Hill
Next: RE: Channel Archiver overlapping blocks james.rowland
Index: 1994  1995  1996  1997  1998  1999  2000  2001  2002  2003  2004  2005  2006  2007  2008  2009  <20102011  2012  2013  2014  2015  2016  2017  2018  2019  2020  2021  2022  2023  2024 
ANJ, 01 Oct 2010 Valid HTML 4.01! · Home · News · About · Base · Modules · Extensions · Distributions · Download ·
· Search · EPICS V4 · IRMIS · Talk · Bugs · Documents · Links · Licensing ·