Rakesh, The fdb files must match the configuration files otherwise the indexing will be incorrect. The quickest and easiest way would be to put the entire /opt/aim/inst/<histname> directory on to the new server, that way you will ensure the fdb files match the configuration. Christian Horn --------------------------------------------------------------- -----Original Message----- From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On Behalf Of RAKESH DASH Sent: 18 September 2012 12:45 To: foxboro@xxxxxxxxxxxxx Subject: [foxboro] reading old .fdb files Hi there, Our historian got crashed and we had to reinstall everything all over again. Fortunately we had the backup of old .fdb files. Is there anyway this can be read back and old trends can be seen for the data ? Appreciate your help on the subject. Urgent please. Regards, - Rakesh _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave *** Confidentiality Notice: This e-mail, including any associated or attached files, is intended solely for the individual or entity to which it is addressed. This e-mail is confidential and may well also be legally privileged. If you have received it in error, you are on notice of its status. Please notify the sender immediately by reply e-mail and then delete this message from your system. Please do not copy it or use it for any purposes, or disclose its contents to any other person. This email comes from a division of the Invensys Group, owned by Invensys plc, which is a company registered in England and Wales with its registered office at 3rd Floor, 40 Grosvenor Place, London, SW1X 7AW (Registered number 166023). For a list of European legal entities within the Invensys Group, please go to http://www.invensys.com/en/legal/default.aspx. You may contact Invensys plc on +44 (0)20 3155 1200 or e-mail reception@xxxxxxxxxxxxx This e-mail and any attachments thereto may be subject to the terms of any agreements between Invensys (and/or its subsidiaries and affiliates) and the recipient (and/or its subsidiaries and affiliates). _______________________________________________________________________ This mailing list is neither sponsored nor endorsed by Invensys Process Systems (formerly The Foxboro Company). Use the info you obtain here at your own risks. Read http://www.thecassandraproject.org/disclaimer.html foxboro mailing list: //www.freelists.org/list/foxboro to subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join to unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave