Date: Fri, 6 Aug 2010 15:50:01 +0200 From: Pawel Jakub Dawidek <pjd@FreeBSD.org> To: Thomas Rasmussen <thomas@gibfest.dk> Cc: freebsd-fs@freebsd.org Subject: Re: HAST initial sync speed Message-ID: <20100806135001.GF1710@garage.freebsd.pl> In-Reply-To: <4C57E20E.2030908@gibfest.dk> References: <4C57E20E.2030908@gibfest.dk>
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--5Mfx4RzfBqgnTE/w Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Aug 03, 2010 at 11:31:58AM +0200, Thomas Rasmussen wrote: > Hello list, >=20 > I finally got my ZFS/HAST setup up and running, or trying to at least. > I am wondering how fast the initial HAST sync normally is - I created > these 4 HAST providers yesterday on 4 146 gig drives, and they still each > have over 90 gigabytes 'dirty' today. The machines are powerful (dell > r710) and are otherwise idle, and they are connected to the same gigabit > switch. >=20 > I can supply details about any part of the configuration if needed, but I > just wanted to ask if you guys believe something is wrong here. I can't h= elp > but think, if the initial sync takes 24+ hours, then if I ever need to > replace one of the servers, I will be without redundancy until the new > server reaches 0 'dirty' bytes, correct ? Correct, but synchronizartion should take much, much less time. Is dirty count actually decreasing? --=20 Pawel Jakub Dawidek http://www.wheelsystems.com pjd@FreeBSD.org http://www.FreeBSD.org FreeBSD committer Am I Evil? Yes, I Am! --5Mfx4RzfBqgnTE/w Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.14 (FreeBSD) iEYEARECAAYFAkxcEwgACgkQForvXbEpPzQbmwCdEpUp8qj2YlQKkwLMLCkbxabk 4lUAnA+XsmraWYclHht0q2wAXFLI7t3A =inN/ -----END PGP SIGNATURE----- --5Mfx4RzfBqgnTE/w--
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