Date: Sat, 23 Jun 2012 04:21:13 -0400 From: Michael Powell <nightrecon@hotmail.com> To: freebsd-questions@freebsd.org Subject: Re: Is ZFS production ready? Message-ID: <js3u9m$fjb$1@dough.gmane.org> References: <4FE2CE38.9000100@gmail.com> <alpine.BSF.2.00.1206211350250.2263@wojtek.tensor.gdynia.pl> <4FE32C16.3050205@gmail.com> <alpine.BSF.2.00.1206211622570.3092@wojtek.tensor.gdynia.pl> <4FE57481.90601@gmail.com>
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Hooman Fazaeli wrote: > > I meant, is it now possible to have >2TB FS with UFS? > Yes. The 2TB limitation so many are used to applies more to the tools than the UFS2 file system itself. UFS2 has a max volume size of 2^73, or 8 Zeta-Bytes. If you utilize the old Dos MBR scheme with old fdisk and disklabel tools you will still face the 2TB volume limit. Use Gpart, Glabel, and GPT partitioning instead. A quick and short example: http://www.mebsd.com/configure-freebsd-servers/big-partitions-in-freebsd-bigger-than-2tb.html However, fsck'ing such large volumes will take considerable time if such a thing needs doing. There is the new "Soft-update plus Journaling" coming along with the advent of 9.x, which is supposed to ameliorate this. Not completely sold on it yet, as I don't have enough knowledge/experience yet. Some may say "it's not just quite ready for prime time yet", but I don't really know definitively myself. [snip] -Mike
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