Text 17407, 143 rader
Skriven 2007-04-14 09:53:02 av mike (1:379/45)
Ärende: Sun Open Sources Storage Software
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From: mike <mike@barkto.com>


http://www.sun.com/featured-articles/2007-0410/feature/index.jsp?intcmp=hp2007a
pr10_opensolaris_read

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April 10, 2007 - Today Sun extends its position as the top contributor of code
to the free and open source software community[1] by donating its storage
software code to the OpenSolaris Project. This will enable community members to
combine OpenSolaris with hardware from any source to create new storage
solutions at a fraction of the price of traditional proprietary storage
vendors.

"Thanks to ZFS and other features, Solaris is the best operating system for
storage solutions," says Nigel Dessau, Sun senior vice president, Storage
Marketing and Business Operations. "By contributing storage related code to the
OpenSolaris community, Sun makes it easier than ever for customers to develop
storage solutions that meet their needs." Open Source Stack

Today, Sun is the only company that offers an open source stack--from the
processor to the operating system to the application layer.

By open sourcing its software stack, Sun gives control to developers and
customers, who can mix and match alternative operating systems, middleware, and
applications on industry standard hardware. Sun's approach keeps customers from
being locked into proprietary systems. There's no risk or long-term commitment
required when using open source software, and customers can participate at the
level that suits them best.

"Sun helps customers 'shrink the stack' if they so choose," says Bob Porras,
Sun vice president, Solaris Storage Software. "Some companies want to develop
products around core open technologies; others want to put the entire open
stack to use. Sun's approach makes both strategies viable."

Best for Storage

The Solaris OS includes numerous features that make it the best choice for
storage related solutions. By open sourcing this code, Sun delivers several
advantages. Developers can now create secure, scalable, and reliable
applications faster and more easily.



Key open source storage related software includes:

Solaris ZFS
The world's most advanced file system delivers data integrity, tremendous
performance, and integration of file system and volume management capabilities.

NFS
OpenSolaris contains both client and server implementations of the IETF NFS
protocols from version 2 through version 4. New OpenSolaris projects are also
underway for NFS v4.1 (also known as parallel NFS) which provides scalable
parallel access to files distributed among multiple servers.

YANFS
Formerly known as WebNFS, YANFS is a simple, platform- and OS-independent file
access protocol that offers reliable, high-performance file access and
distribution.

Point-in-Time Copy and Remote Mirror data services These services--the first
commercial replication software to be open sourced--create and manage data
snapshots, and provide data mirroring for disaster recovery and migration.

iSCSI
OpenSolaris contains both the initiator and target support for the IETF iSCSI
protocol which allows the use of the SCSI protocol over TCP/IP networks.

OSD
OpenSolaris SCSA compliant device drivers and related software provide both
initiator and target support for storage devices that adhere to the SCSI Object
Based Storage Device (OSD) command protocol.

Fibre Channel support
OpenSolaris is arguably one of the best SAN-enabled operating systems with a
full Fibre Channel stack including Fibre Channel Transport, interfaces for
Fibre Channel HBA Drivers and hardware, Storage Management APIs, and Storage
Management Utilities.

Common Internet File System (CIFS) client which provides access to files and
directories on CIFS servers. CIFS is the natural file sharing protocol on
Microsoft Windows systems.





Sun also plans to open source additional storage code over the next several
months, including:

Sun StorageTek 5800 storage system client interfaces along with the associated
software developer kit (SDK) and emulator/server. The Sun StorageTek 5800
storage system is a third-generation digital repository solution for data
capture and management.

SAM-FS (Storage Archive Manager) provides data classification, policy based
data placement, protection, migration, long-term retention, and recovery
capabilities for organizations to effectively manage and utilize data according
to their business requirements. SAM-FS is used extensively in
security/surveillance, digital video archiving, and medical imaging data
environments.

QFS Sun's shared file system software delivers significant scalability, data
management, and throughput for the most data-intensive applications. Well known
today in the traditional high performance computing (HPC) arena, QFS is
increasingly being used in commercial environments that require multiple host,
high speed access to large data repositories.




In addition, today QLogic is contributing their Fibre Channel HBA driver code
to the OpenSolaris storage community. For the first time, developers have
access to an I/O stack from the application through to the operating system.
Community Counts

Since its launch nearly two years ago, OpenSolaris.org has grown into one of
the most exciting and thriving communities in the open source world. As of
early April, there were:

 40,890 registered community members
 100,000 postings to OpenSolaris discussion groups
 42 registered OpenSolaris user groups
 937 bugs reported by the community
 478 fixed/closed/in-progress bugs reported by the community
 151 community code contributions integrated into OpenSolaris (putbacks)

Now the OpenSolaris ecosystem grows even larger with the launch of a community
portal around the open source storage software stack. Developers can use the
portal to download code, dive into particular open source storage projects,
review design documents, and leverage developer expertise via discussions,
including email forums.

"The new portal builds a strong, vibrant community around open storage," says
Porras. "It enables storage application developers to put open storage to work
today, as well as evolve the overall Solaris platform moving forward." ...
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