From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bennett Todd Subject: Re: Status of fsync() wrt mail servers Date: Wed, 10 Sep 2003 07:41:03 -0400 Message-ID: <20030910114103.GA26767@rahul.net> References: <20030910002953.C14172@unbeatenpath.net> <20030910105102.GA535@rahul.net> <1063192474.18154.355.camel@tiny.suse.com> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="82I3+IH0IqGh5yIs" Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com Content-Disposition: inline In-Reply-To: <1063192474.18154.355.camel@tiny.suse.com> List-Id: To: Chris Mason Cc: reiserfs-list@namesys.com --82I3+IH0IqGh5yIs Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable 2003-09-10T07:14:34 Chris Mason: > On Wed, 2003-09-10 at 06:51, Bennett Todd wrote: > > What postfix demands (if you wish to adhere strictly to some > > peoples' interpretations of RFCs) is that when fsync returns, the > > filesystem guarantees that even if there's a crash an instant after, > > the file, data as well as metadata, will be intact when the machine > > comes up again. This is in support of a desire to positively commit > > to the sender that the receiving MTA has accepted receipt for a > > message. >=20 > This is what reiserfs does, the metadata is on disk after an fsync, > including any renames. Metadata, yes, I've got that. How about the data? Does return from fsync guarantee that the data will be intact as well? -Bennett --82I3+IH0IqGh5yIs Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.0.7 (GNU/Linux) iD8DBQE/Xw3OHZWg9mCTffwRAuUhAJ4hDoSqmOOAyocbRC0Xl1kKd1tqpgCfRzNp m3/UM1jET1pepgF5oGtqZ78= =1vPS -----END PGP SIGNATURE----- --82I3+IH0IqGh5yIs--