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Comment Re:Uhhh... (Score 3, Informative) 234

Though a fork (in the sense of OpenBSD/FreeBSD) is not possible, a fork in the sense of Linus's tree, and Alan Cox's tree is possible. The Nexenta project itself already maintains such a tree (nexenta-gate) for the Nexenta and derivative distributions.

In short, though Oracle develops a major part of the kernel, it's open source nature still allows for multiple paths the community can take. The healthy Nexenta community is a testament to that.

We do have some plans for OpenSolaris in the near future. If you're attending DebConf in the first week of August, look me up (and my talk).

Comment Re:But...science is faith too! (Score 2, Insightful) 892

Science is not faith! Science is a methodology leading to statements that can be proven or disproven. Faith (as in religious faith) is "Here's some truths".

interpreting someone else's work by using my common experience.

Yeah. Except that's all you can do with religion, as opposed to science.

To call science faith is disingenuous at best, and blatantly dishonent at worst..

Data Storage

Best Solutions For Massive Home Hard Drive Storage? 609

i_ate_god writes "I download a lot of 720/1080p videos, and I also produce a lot of raw uncompressed video. I have run out of slots to put in hard drives across two computers. I need (read: want) access to my files at all times (over a network is fine), especially since I maintain a library of what I've got on the TV computer. I don't want to have swappable USB drives, I want all hard drives available all the time on my network. I'm assuming that, since it's on a network, I won't need 16,000 RPM drives and thus I'm hoping a solution exists that can be moderately quiet and/or hidden away somewhere and still keep somewhat cool. So Slashdot, what have you done?"
Data Storage

"Digital Universe" Enters the Zettabyte Era 137

miller60 writes "In 2010 the volume of digital information created and duplicated in a year will reach 1.2 zettabytes, according to new data from IDC and EMC. The annual Digital Universe report is an effort to visualize the enormous amount of data being generated by our increasingly digital lives. The report's big numbers — a zettabyte is roughly a million petabytes — pose interesting questions about how the IT community will store and manage this firehose of data. Perhaps the biggest challenge isn't how much data we're creating — it's all the copies of it. Seventy-five percent of all the data in the Digital Universe is a copy, according to IDC. See additional analysis from TG Daily, The Guardian, and Search Storage."
Data Storage

Software SSD Cache Implementation For Linux? 297

Annirak writes "With the bottom dropping out of the magnetic disk market and SSD prices still over $3/GB, I want to know if there is a way to to get the best of both worlds. Ideally, a caching algorithm would store frequently used sectors, or sectors used during boot or application launches (hot sectors), to the SSD. Adaptec has a firmware implementation of this concept, called MaxIQ, but this is only for use on their RAID controllers and only works with their special, even more expensive, SSD. Silverstone recently released a device which does this for a single disk, but it is limited: it caches the first part of the magnetic disk, up to the size of the SSD, rather than caching frequently used sectors. The FS-Cache implementation in recent Linux kernels seems to be primarily intended for use in NFS and AFS, without much provision for speeding up local filesystems. Is there a way to use an SSD to act as a hot sector cache for a magnetic disk under Linux?"

Comment Re:Or get inline deduplication (Score 1) 186

Hardware compatibility is pretty good. Really. All decent brands (storage controller/NICs) support opensolaris. Doubtful future part is FUD. Oracle made it clear OpenSolaris development, community functions will continue as is. The security patches costing $$ is not for opensolaris, but enterprise Solaris. Encryption is late.. big deal.. some things are set to low priority over others. Dedup is present, and works very well.

If it's a storage box you're looking at.. what's really important? An in-kernel, established, and widely-deployed filesystem like ZFS (without support for android phones), or a new, user-space dedup filesystem, nascent and not in production (but it can pair with your android phone!).

~Anil

Data Storage

Open Source Deduplication For Linux With Opendedup 186

tazzbit writes "The storage vendors have been crowing about data deduplication technology for some time now, but a new open source project, Opendedup, brings it to Linux and its hypervisors — KVM, Xen and VMware. The new deduplication-based file system called SDFS (GPL v2) is scalable to eight petabytes of capacity with 256 storage engines, which can each store up to 32TB of deduplicated data. Each volume can be up to 8 exabytes and the number of files is limited by the underlying file system. Opendedup runs in user space, making it platform independent, easier to scale and cluster, and it can integrate with other user space services like Amazon S3."

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