Date: Wed, 18 Aug 2010 14:11:33 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Thomas Steen Rasmussen <thomas@gibfest.dk> Cc: freebsd-fs@freebsd.org Subject: Re: HAST initial sync speed Message-ID: <20100818121133.GC2177@garage.freebsd.pl> In-Reply-To: <4C6BC35B.9040000@gibfest.dk> References: <20100806135001.GF1710@garage.freebsd.pl> <4C5ECA78.6010803@gibfest.dk> <20100810075528.GA1754@garage.freebsd.pl> <4C61CF4D.4060009@gibfest.dk> <4C651B7E.5000805@gibfest.dk> <20100816221059.GE2611@garage.freebsd.pl> <4C6B08BD.9080206@gibfest.dk> <20100818110655.GA2177@garage.freebsd.pl> <4C6BC0BA.9030303@gibfest.dk> <4C6BC35B.9040000@gibfest.dk>
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--qjNfmADvan18RZcF Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Wed, Aug 18, 2010 at 01:26:19PM +0200, Thomas Steen Rasmussen wrote: > Sorry for responding to my own post. I recreated the HAST setup with the > four harddrives and it is now saturating the gigabit link, it is=20 > synching at a steady > rate of 112 megabytes per second, meaning that each of the disks are > reading/writing at just under 30 megabytes per second. It would probably = be > even faster if the network wasn't limiting it. >=20 > I built ZFS on top of it and everything seems to be working as expected. >=20 > Thank you again for looking at this. I'm very glad to hear that. I changed the default MAX_SEND_SIZE to 32kB as it seems to be the safest setting. I had similar problem in ggate. BTW. What network cards do you use there? --=20 Pawel Jakub Dawidek http://www.wheelsystems.com pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --qjNfmADvan18RZcF Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkxrzfUACgkQForvXbEpPzTh0gCeKwWQ2RwbF8ijXb3p7d00tJWw ZvEAnRyFW/DUrTC7q3bhN5V/k+MSmudC =JPPz -----END PGP SIGNATURE----- --qjNfmADvan18RZcF--
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