ODS (on-disk structure) is a number representing version of the database physical layout structure. When a new feature is added to the Firebird it might or might. In simple words, ODS (On-Disk Structure) is a number of database file format for the particular Firebird or InterBase RDBMS version. Almost all. Map the engine version to native ODS version using Firebird documentation or a bare bone database and extracts the ODS version with direct file access.

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Thanks for all the comments. After you fix all incompatibilities in this script, you can pump data from the old database to the new database. To do that you will need 2 computers with the new server and the old one. Maximum Number of Page Buffers in Cache. Even if you tried to backup on the old server and restore at new, and it worked — never trust this. When a new feature is added to Firebird it might or might not require the structure of database pages or system tables database metadata to change.

Existing databases with ODS If it does, the Firebirx version must increase. Sometimes you can get another kind of message, from the server not from gstat but with the same meaning.

Chapter 4: Changes to the Firebird API and ODS

That is not going to work, because Firebird 2. Not affiliated with Stack Overflow. By using and further navigating this website you accept this. This allows the server to work with database files from previous versions and simplify the transition from the old server to a new one.


So, tirebird will be easier if you have not used features since InterBase 7. The ODS version, as reported by user tools, shows with which server version the database was created, e.

The most popular platforms—Windows and Linux x64 bit —were not affected by the change. Map the engine version to native ODS version using Firebird documentation or knowledge base articles like http: Its option -h outputs the header page information, which contains the ODS: Our checks did not reveal any cross-platform compatibility issues between ODS As previously, Firebird will not open a database on little-endian that was created on big-endian, nor vice versa.

Firebird Migration service Often the migration the complex task, especially for legacy Firebird databases, which were abandoned by original developers. In order to work with a database with an older ODS it will be necessary to make a backup using gbak under the older server and restore it with gbak on Firebird 3.

Wrong ODS version, expected 11, encountered 11 — Firebird 2. The implemented solution has no additional storage overhead until the transaction counters grow beyond the 2 32 boundary. But that assumes that the database is at minimum ODS Did you see firbird question? If it does, the ODS number must increase. This need to be done to check if there any bad old metadata in your database or bugs of cirebird extraction in the server you use. The new ODS for these databases is Wrong ODS version, expected 11, encountered 15 — Firebird 2.

It will show something like. If yes — the complexity of the migration will depend on how many features you used in the database or administration process. Sometimes server may upgrade old ODS to some newer one, without notification. I just realised I misread the question, I thought it was about determining the ODS of an existing database, not for a new one. Changes to Client Address Reporting.


What is ODS version and how to retrieve it?

If you only have remote connection to the server and you can log into the database, but you have no access to the database file itself, then starting with Firebird 2. Starting with Firebird 3. For example, ODS 9. It is likely to be abandoned in a future version.

Its option -h outputs the header page information, which contains the ODS:. Historically, transaction ID space was limited to 2 31 transactions, counted fireburd the time the database was created.

Wrong ODS version, expected 8, encountered ? This is also true for Firebird 2. Cross-platform copying of any ODS Protocol and client library version. Email Required, but never shown.

All Firebird and InterBase On-Disk-Structure (ODS) versions

ODS on-disk structure version is a number representing version of the firebjrd low-level data layout structure ODS. If your program can ensure those requirements, then it can work.

For non-Windows and non-Intel-Linux platforms, developers could not perform all the required checks. You have to create dummy database and then drop it.

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