Date: Sun, 24 Oct 2010 16:28:36 +0100 From: Bruce Cran <bruce@cran.org.uk> To: Matthew Seaman <m.seaman@infracaninophile.co.uk> Cc: cronfy <cronfy@gmail.com>, freebsd-hackers@freebsd.org Subject: Re: Slow disk access while rsync - what should I tune? Message-ID: <20101024152835.GA62748@muon.cran.org.uk> In-Reply-To: <4CC44E5B.9040902@infracaninophile.co.uk> References: <AANLkTikzZvZn=vNNRtcSViWq8ty7b8qOooQ4NbHiJH5q@mail.gmail.com> <4CC44E5B.9040902@infracaninophile.co.uk>
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On Sun, Oct 24, 2010 at 04:18:51PM +0100, Matthew Seaman wrote: > > However, taking backups slowly makes it harder to ensure you have a > consistent backup, so I recommend you investigate snapshotting the > filesystem (well supported for UFS, trivially easy for ZFS) and then > backup the snapshot as slowly as you like. I'm not sure snapshots are so well supported for UFS. >From sys/ufs/ffs/README.snapshot: "As is detailed in the operational information below, snapshots are definitely alpha-test code and are NOT yet ready for production use." -- Bruce Cran
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