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73 lines
3.3 KiB
Plaintext
73 lines
3.3 KiB
Plaintext
'Samba4 TP4' presents you with an opportunity to see a Technology
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Preview (TP) snapshot of Samba4's development, as at January 2007.
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In the last few months since TP3 was released in October 2006,
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significant work has been done across many parts of Samba4. Since that
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time, we have added the basis for some new and exciting features:
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PKINIT support to Samba4's KDC will allow, smart-card login to a
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Samba4 domain. TP4 demonstrates this with static key files, but
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work will continue to enable actual hardware cards.
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Clustering support was always a design goal of Samba4, and with TP4
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we have the ctdb framework, a cluster-aware shared database. This
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allows Samba4 to share a shared cluster file-system with it's clients.
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Presented at this year's linux.conf.au, including a highly rigged
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demo, you can expect to see this mature over the next few months.
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Non-blocking and Asynchronous IO support, has always been a design
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goal in Samba4, and TP4 will use new Linux Kernel features to
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implement event driven asynchronous IO. This makes Samba more
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efficient on systems where some data may be 'further away' than a
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local disk, such as HSM systems. This allows the Kernel to handle
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reading the returned data from the disk, only notifying Samba when
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the data is ready for dispatch to the client.
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Our web-management console, known as SWAT, is being revamped, and in
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TP4 you can find a new Web 2.0 style user interface, being used to
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support a web-based ldb browser. We hope this new system will allow
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things simple not possible with the form-submit style of web
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management.
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Using LDB LDAP back-end integration has improved in this release, with an
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improved mapping module allowing the start of Fedora DS back-end
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support.
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In continuing our research effort, TP4 includes the work to better
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understand and implement the DRSUAPI replication protocols. By better
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understanding the needs of replication now, we can structure our
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databases so that their format will have to change less in future.
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We hope to use this replication function to replace the SamSync based
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Vampire process so effectively demonstrated since TP1, and to
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eventually join an Active Directory domain, as a replicating partner.
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Behind the scenes, much of the core infrastructure of Samba4 continues
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development:
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In Kerberos, we have continued to track the development of the
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Heimdal Kerberos implementation, and reduce the custom diff between
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our branch and upstream. Heimdal now provides plug-in APIs for
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almost all of the hooks we need, including management and validation
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of the PAC.
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In testing, our test infrastructure has undergone a quiet
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revolution, as we improve our unit test framework. Likewise, the
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tests themselves have continued to expand, as we follow our
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test-driven development pattern.
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In providing an abstraction above our raw RPC layer, the libnet
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library continues to expand, becoming a C and JS management API for
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Samba4 and remote servers.
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To ensure that, as an administrator and developer, you can easily
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read and edit our internal databases, our LDB layer has been
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optimised for speed. The aim here is to avoid needing to use the faster, but
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more opaque, TDB layer.
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These are just some of the highlights of the work done in the past few
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months. More details can be found in our SVN history.
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