Version compatibility: Difference between revisions
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Amanda has used several on-the-wire protocols to communicate between the server and backup clients, and not all of them have been compatible. | Amanda has used several on-the-wire protocols to communicate between the server and backup clients, and not all of them have been compatible. | ||
Versions of Amanda prior to about 2.3 used a different protocol which is not compatible. 2.3 is very old so this is not of general interest. | |||
The Amanda 2.4 series all use the same protocol. This protocol has support for extensibility. Generally upgrading clients or servers along the 2.4 branch does not cause difficulty. | The Amanda 2.4 series all use the same protocol. This protocol has support for extensibility. Generally upgrading clients or servers along the 2.4 branch does not cause difficulty. | ||
Amanda 2.5 uses the same protocol as 2.4. One can use a 2.5 server with 2.4 clients and a 2.4 server with 2.5 clients. | |||
To restore a dump created with the tapesplit_size option using amrecover, | To restore a dump created with the tapesplit_size option using amrecover, | ||
you need a 2.5 server + 2.5 client. (Extracting that backup using | you need a 2.5 server + 2.5 client. (Extracting that backup using | ||
only shell, mt and dd is also possible.) | only shell, mt and dd is also possible.) | ||
'''ANSWERS ARE NEEDED TO THE FOLLOWING QUESTIONS:''' | |||
* Is the Kerberos4 support in 2.4 interoperable with 2.5 Kerberos4 support? | * Is the Kerberos4 support in 2.4 interoperable with 2.5 Kerberos4 support? | ||
* Both authentication and encryption? | * Both authentication and encryption? | ||
Revision as of 16:13, 29 March 2006
Amanda has used several on-the-wire protocols to communicate between the server and backup clients, and not all of them have been compatible.
Versions of Amanda prior to about 2.3 used a different protocol which is not compatible. 2.3 is very old so this is not of general interest.
The Amanda 2.4 series all use the same protocol. This protocol has support for extensibility. Generally upgrading clients or servers along the 2.4 branch does not cause difficulty.
Amanda 2.5 uses the same protocol as 2.4. One can use a 2.5 server with 2.4 clients and a 2.4 server with 2.5 clients.
To restore a dump created with the tapesplit_size option using amrecover, you need a 2.5 server + 2.5 client. (Extracting that backup using only shell, mt and dd is also possible.)
ANSWERS ARE NEEDED TO THE FOLLOWING QUESTIONS:
- Is the Kerberos4 support in 2.4 interoperable with 2.5 Kerberos4 support?
- Both authentication and encryption?