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January 18, 2009
ZFS on Linux: my story and HOWTO you can have it too -- Rudd-O.com
What you do when you really, really want ZFS on Linux:
I had been salivating over the thought of using ZFS in my workstation because of several killer features:
* The first one that comes to mind is end-to-end data integrity thanks to checksumming -- I've already had many disks go bad on me, while others corrupted my data silently (which is, believe it or not, the most insidious thing ever, because after you've noticed it, backups won't help you with that -- you've probably already papered over your backups with new, bad data).
* The second one is compression. Together with tightly packed data, compression promises to increase performance and reduce disk utilization.
* The third one is the advanced transactional algorithm that yields an always-consistent disk structure. Unlike log-based filesystems, ZFS does copy-on-write and ripples the changes up through the filesystem tree; before the topmost node is updated, the changes don't affect consistency; when the topmost node is updated, the disk is consistent as well. Never fsck again!"Damn, gotta get me some of that, I thought"
ZFS on Linux: my story and HOWTO you can have it too -- Rudd-O.com
Posted by thdyck on January 18, 2009
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