ext3cow.com— The ext3cow file system has just been released for the Linux 2.6 kernel.You can view your file system as it looked at any point in the past.You'll never lose a file again!
May 1, 2007View in Crawl 4
I don't get it. How do I know what versions are available. The screen grab is just confusing. Does my folder fill with files with extra @123832405 characters? Do I have to know the exact sequence? # snapshotsnapshot on .: 102458745# echo "some thing" > foo.txt# cat foo.txt@102458745
Straight from the site:Some advantages of ext3cow: • It does not pollute the name space with named versions • It has low storage and performance overhead • It is totally modular, requiring no changes to kernel or VFS interfacesWhich means you DON't need to patch and recompile the kernel.
The snapshot thing appears to be just updating an epoch counter on the disk. So there is pretty much no performance hit at all - new blocks that are written to disk just inherit the new epoch number.
our illegal torrent data is always there.... Not that anyone here would ever download something illegally... I mean it's not like we support ripping of HD-DVD's here or something.. pff^^^Hey now, maybe we're not supporting ripping HD-DVDs. Maybe we're supporting being able to watch our legally bought HD-DVDs on the OS of our choice. I don't use DeCSS to copy regular DVDs. I use it to watch them on my laptop. Same thing.
you know what's great about documentation ? you can actually read it instead of making things up. From ext3cow FAQ:What about temporary files?Files that are created and destroyed in the same epoch, i.e. no snapshot is taken, are actually deleted. This helps prevent useless temporary files from getting captured in the past, minimizing overhead.How do I really delete a file in the past?Currently, there is no mechanism to do so. However, one existed in the 2.4 version of ext3cow, so it’s just a matter of time until it makes its way into 2.6. Check the Bugs and TODOs page for planned enhancements.
I don't know how to install ext3cow and could not find answers on http://www.ext3cow.com/.Could you help me and tell me the installation steps of the ext3cow.Thank you in advance
jonrMay 2, 2007
I don't get it. How do I know what versions are available. The screen grab is just confusing. Does my folder fill with files with extra @123832405 characters? Do I have to know the exact sequence? # snapshotsnapshot on .: 102458745# echo "some thing" > foo.txt# cat foo.txt@102458745
bigslackerMay 2, 2007
Just like ZFS...delete some snapshots to clear up space.
jlebrechMay 3, 2007
Where's the moaning from the mac fanboys?? It's like Leopards timemachine isn't it?
dukeinlondonMay 3, 2007
Just as you can create snapshots, you probably can delete them too...
bj1989May 4, 2007
Straight from the site:Some advantages of ext3cow: • It does not pollute the name space with named versions • It has low storage and performance overhead • It is totally modular, requiring no changes to kernel or VFS interfacesWhich means you DON't need to patch and recompile the kernel.
nekoMay 7, 2007
The snapshot thing appears to be just updating an epoch counter on the disk. So there is pretty much no performance hit at all - new blocks that are written to disk just inherit the new epoch number.
macoafiMay 10, 2007
our illegal torrent data is always there.... Not that anyone here would ever download something illegally... I mean it's not like we support ripping of HD-DVD's here or something.. pff^^^Hey now, maybe we're not supporting ripping HD-DVDs. Maybe we're supporting being able to watch our legally bought HD-DVDs on the OS of our choice. I don't use DeCSS to copy regular DVDs. I use it to watch them on my laptop. Same thing.
izzieJan 21, 2008
you know what's great about documentation ? you can actually read it instead of making things up. From ext3cow FAQ:What about temporary files?Files that are created and destroyed in the same epoch, i.e. no snapshot is taken, are actually deleted. This helps prevent useless temporary files from getting captured in the past, minimizing overhead.How do I really delete a file in the past?Currently, there is no mechanism to do so. However, one existed in the 2.4 version of ext3cow, so it’s just a matter of time until it makes its way into 2.6. Check the Bugs and TODOs page for planned enhancements.
biwenjuanFeb 19, 2011
I don't know how to install ext3cow and could not find answers on http://www.ext3cow.com/.Could you help me and tell me the installation steps of the ext3cow.Thank you in advance