Linked by Thom Holwerda on Sun 18th May 2008 15:32 UTC, submitted by sjvn
Sun Solaris, OpenSolaris It seems like we're really on the subject of filesystems and related technology the past few days. We had an interview with the man behind BeServed, an item on WinFS' current status, and now we - possibly - have news on ZFS coming to Linux. Possibly, because it's all speculation from here on out.
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RE: Comment by sonic2000gr
by phoenix on Mon 19th May 2008 03:08 UTC in reply to "Comment by sonic2000gr"
phoenix
Member since:
2005-07-11

"It is also being pointed out that FreeBSD and Mac OS X already have ZFS, and that "the world hasn't fallen apart just yet."


And there is good reason for that! I don't know about the status of ZFS in MacOSX, but in FreeBSD it is yet an experimental feature. It has been suggested that it works best on 64bit systems with 2Gb or more RAM.
"

You can use it just fine on 32-bit systems. You just have to tune it and the kernel correctly. Adding "vfs.zfs.arc_max" (set to between 1/3 and 1/2 of your RAM) and "vfs.zfs.prefetch_disable" (set to 1) will handle most of the known issues with running ZFS on FreeBSD 7.0 and 7-STABLE.

Other things that can be tuned are listed in the ZFS Tuning Guide on the FreeBSD wiki.

Having more than 1 GB of RAM available does make it run smoother, but several people are running it with only 512 MB of RAM.

Granted, it's not perfect, and there are some issues. But it's not the train wreck that people make it out to be.

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