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Matching CIAO and CALDB VersionsCIAO 4.0 requires CALDB 3.4.0 or higher to operate properly. Are your versions mismatched? Time to update CIAO and CALDB! Source Detection and Cosmic-Ray AfterglowsCIAO users who are trying to detect sources of about 10 counts or less should be aware of potential confusion with cosmic-ray afterglows that have not been removed from the data. The Cosmic-Ray Afterglows why topic explains the limitations of the current tools and describes analysis tips to help eliminate more of the afterglows. 07 May 2008 Information about installing CIAO on unsupported platforms has been added to the Platforms webpage 16 Apr 2008 CIAO has been patched to CIAO 4.0.2. The CIAO 4.0.2 patch enables CIAO to run on Mac OS X 10.5 (Leopard) Intel. The patch is optional for 10.4 (Tiger) Intel machines. The patch should not be applied to Linux, Solaris, or Mac PowerPC installations of CIAO. Additionally, there is an updated standalone version of ObsVis for Mac OS X Intel; see the ObsVis website for details and the download. 16 Apr 2008 Mac OS X platforms: FITS table file writing slowness with NFS-mounted disks. FITS table file writing through the CXC Data Model slows by a significant factor on Mac OS X machines - both 10.4 (Tiger) and 10.5 (Leopard) - when the data is accessed via a networked file system (NFS) mount. This issue does not affect Solaris or Linux platforms. |
Platform SupportCIAO 4.0 is available for the following platforms:
Please read the bugs and caveats page for a particular application to see if there are known issues and contact the Helpdesk if you have any problems. Installing on Unsupported PlatformsUsers have successfully installed CIAO 4.0 on these unsupported platforms. Email the Helpdesk to contribute your installation to this list. This information is made available solely to assist users who are running an unsupported platform; the CXC has not tested these installations. ArchitectureIn order to run CIAO on a 64-bit machine, the basic 32-bit libraries must be installed. Linux
Mac OS X
Explanation of Platform SupportThe CXC's commitment to support a platform - i.e. a version of an operating system - means that we undertake to fix bugs on that system. This requires that we are able to compile CIAO from source on each platform, which is a much greater commitment than simply providing a compatible binary. Additionally, it is typically necessary to support three versions of each operating system: former, current and new. When we support a system:
As a result, we are not able to support a larger number of systems than we currently do. We gather information from users on what platforms they are running (or want to use) in order to prevent the overextension of our resources. |
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The Chandra X-Ray
Center (CXC) is operated for NASA by the Smithsonian Astrophysical Observatory. 60 Garden Street, Cambridge, MA 02138 USA. Email: cxcweb@head.cfa.harvard.edu Smithsonian Institution, Copyright © 1998-2004. All rights reserved. |