bonsoir,
vous avez vu passer cette info? pourquoi opensolaris et pas express?
Eric Schrock wrote:
> Welcome to the ZFS Community!
>
> Today, build 27 of OpenSolaris was released to the community.
Included in this
> release is ZFS, Sun's next generation filesystem. We are proud to
announce the
> creation of the ZFS community to discuss and develop ZFS for the
future. You
> can find the community at:
>
> http://www.opensolaris.org/os/community/zfs
>
> Be sure to look for blogs relating to ZFS at:
>
> http://blogs.sun.com
>
> As well as an introductory screencast produced by Dan Price:
>
> http://www.opensolaris.org/os/community/zfs/demos/basics/
>
> For the developers out there, you can find an overview of the source
code at:
>
> http://www.opensolaris.org/os/community/zfs/source/
>
> Many thanks to the ZFS and OpenSolaris teams for making this a reality.
>
>
> So what is ZFS?
>
> ZFS is a new kind of filesystem that provides simple administration,
> transactional semantics, end-to-end data integrity, and immense
scalability. ZFS
> is not an incremental improvement to existing technology; it is a
fundamentally
> new approach to data management. We've blown away 20 years of obsolete
> assumptions, eliminated complexity at the source, and created a
storage system
> that's actually a pleasure to use.
>
> ZFS presents a pooled storage model that completely eliminates the
concept of
> volumes and the associated problems of partitions, provisioning, wasted
> bandwidth and stranded storage. Thousands of filesystems can draw
from a common
> storage pool, each one consuming only as much space as it actually
needs.
>
> All operations are copy-on-write transactions, so the on-disk state
is always
> valid. There is no need to fsck(1M) a ZFS filesystem, ever. Every
block is
> checksummed to prevent silent data corruption, and the data is
self-healing in
> replicated (mirrored or RAID) configurations.
>
> ZFS provides unlimited constant-time snapshots and clones. A snapshot
is a
> read-only point-in-time copy of a filesystem, while a clone is a
writable copy
> of a snapshot. Clones provide an extremely space-efficient way to
store many
> copies of mostly-shared data such as workspaces, software
installations, and
> diskless clients.
>
> ZFS administration is both simple and powerful. The tools are
designed from the
> ground up to eliminate all the traditional headaches relating to managing
> filesystems. Storage can be added, disks replaced, and data scrubbed
with
> straightforward commands. Filesystems can be created
instantaneously, snapshots
> and clones taken, native backups made, and a simplified property
mechanism
> allows for setting of quotas, reservations, compression, and more.
>
>
> Give it a spin, and let us know what you think!
>
> - The ZFS Team
gerard
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