Date: Thu, 20 Nov 2008 23:26:19 +0200 From: "Marcel Grandemange" <thavinci@thavinci.za.net> To: "'Tsu-Fan Cheng'" <tfcheng@gmail.com> Cc: questions@freebsd.org Subject: RE: ZFS Recovery Tools Message-ID: <02e401c94b56$a1d12a00$e5737e00$@za.net> In-Reply-To: <f84c38580811201255o1a207f97u8cb4078d03911fa9@mail.gmail.com> References: <02c801c94b40$4b6a2f10$e23e8d30$@za.net> <20081120204756.O16829@wojtek.tensor.gdynia.pl> <f84c38580811201255o1a207f97u8cb4078d03911fa9@mail.gmail.com>
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>Hi, > I was just reading stuff about ZFS, and wonder if it would be >beneficial for me to use it. I store a lots of multimedia files in my >HD, they usually have the size of > 1GB (e.g. 1.2, 1.7 or even >bigger), and my system is running UFS. > so can I buy a new HD, say 500GB, and format it ZFS style and use it >along with other UFS? and will ZFS performs better than UFS in my >situation? Thank you!! Correct me if im wrong but zfs seems way to experimental and unstable according to what I have found on net so far. FYI - I decided to use UFS in mean while, but for those interested in why I say this... http://wiki.freebsd.org/ZFSKnownProblems I share other NB server roles with my file server and cannot afford lockups etc... Please anyone correct me if im wrong! >TFC On Thu, Nov 20, 2008 at 2:51 PM, Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl> wrote: >> all the input from various users I assume zfs would be the file system of >> choice for such large volumes? >> >> Are there limitations or downsides using UFS on such a large volume? > > no, unless you will create it with default options. > > use -i big-power-of-two simply to have enough inodes for your files, but not > 100 times too much. too much inodes=more wasted space AND VERY SLOW FSCK > > use -b 32768 or 65536 depending of your file's average size. > > -b 16384 will work too, but again fsck may be long. > > > of course turn on softupdates. > > UFS performs excellent on large drives/volumes. not in theory but in > practice, i use it every place, on volumes up to 3GB > > NO PROBLEMS. > > >> Also are there any tools for recovery off ZFS volumes? Accidental >> delete/format/corruption...? > > no. > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" > __________ NOD32 3628 (20081120) Information __________ This message was checked by NOD32 antivirus system. http://www.eset.com
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