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Date:      Sun, 5 Aug 2012 13:27:04 +0200 (CEST)
From:      Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To:        ashkab rahmani <ashkan82r@gmail.com>
Cc:        centos@centos.org, freebsd-questions@freebsd.org
Subject:   Re: compare zfs xfs and jfs o
Message-ID:  <alpine.BSF.2.00.1208051322210.21508@wojtek.tensor.gdynia.pl>
In-Reply-To: <CAFBRBcoxr5HLVipX5L5=qhEZ7pOW+4NmWJwy3GsL_DH74Fm+yQ@mail.gmail.com>
References:  <CAFBRBcoxr5HLVipX5L5=qhEZ7pOW+4NmWJwy3GsL_DH74Fm+yQ@mail.gmail.com>

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> i have 16tb storage. 8x2tb sata raided.
> i want to share it on network via nfs.
> which file system is better for it?
> thank you
badly imprecise question. you may share any filesystem.

Not sure what you want to achieve. No explanation of "raided" - this means 
nothing without precise description.

If you ask what i do commonly then i would do 8 gmirror-based RAID1 
volumes, and standard UFS filesystem on each with softupdates (or 
softupdates+journal).

And move as much as possible software directly to machine. Never create 
another level of indirection (like NFS) when not needed.

if you really HAVE to use NFS heavily i strongly recommend using unfsd 
from ports and patch if to AVOID constant fsync, and make sure UPS is 
installed.

NFS protocol is terrible by design (not by implementation) resulting in 
all writes being done synchronously.





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