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LKML: Andreas Happe: Re: what is our answer to ZFS?
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A<br />>>> snapshot is a read-only point-in-time copy of a filesystem, while a<br />>>> clone is a writable copy of a snapshot. Clones provide an extremely<br />>>> space-efficient way to store many copies of mostly-shared data such<br />>>> as workspaces, software installations, and diskless clients.<br /><br />lvm2 can do those too (with any filesystem that supports resizing).<br />Clones would be the snapshot functionality of lvm2.<br /><br />>>> ZFS administration is both simple and powerful. The tools are<br />>>> designed from the ground up to eliminate all the traditional<br />>>> headaches relating to managing filesystems. Storage can be added,<br />>>> disks replaced, and data scrubbed with straightforward commands.<br /><br />lvm2.<br /><br />>>> Filesystems can be created instantaneously, snapshots and clones<br />>>> taken, native backups made, and a simplified property mechanism<br />>>> allows for setting of quotas, reservations, compression, and more.<br /><br />excepct per-file compression all thinks should be doable with normal in-kernel<br />fs. per-file compression may be doable with ext2 and special patches, an<br />overlay filesystem or reiser4.<br /><br />Andreas<br /><br />-<br />To unsubscribe from this list: send the line "unsubscribe linux-kernel" in<br />the body of a message to majordomo@vger.kernel.org<br />More majordomo info at <a href="http://vger.kernel.org/majordomo-info.html">http://vger.kernel.org/majordomo-info.html</a><br />Please read the FAQ at <a href="http://www.tux.org/lkml/">http://www.tux.org/lkml/</a><br /><br /></pre></td><td width="32" rowspan="2" class="c" valign="top"><img src="/images/icornerr.gif" width="32" height="32" alt="\" /></td></tr><tr><td align="right" valign="bottom"> 聽 </td></tr><tr><td align="right" valign="bottom">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerl.gif" width="32" height="32" alt="\" /></td><td class="c">聽</td><td class="c" valign="bottom" style="padding-bottom: 0px"><img src="/images/bcornerr.gif" width="32" height="32" alt="/" /></td></tr><tr><td align="right" valign="top" colspan="2"> 聽 </td><td class="lm">Last update: 2005-11-21 12:22 聽聽 [from the cache]<br />漏2003-2020 <a href="http://blog.jasper.es/"><span itemprop="editor">Jasper Spaans</span></a>|hosted at <a href="https://www.digitalocean.com/?refcode=9a8e99d24cf9">Digital Ocean</a> and my Meterkast|<a href="http://blog.jasper.es/categories.html#lkml-ref">Read the blog</a></td><td>聽</td></tr></table><script language="javascript" src="/js/styleswitcher.js" type="text/javascript"></script></body></html>