Date: Wed, 1 Oct 2003 01:04:51 +0200 (CEST) From: Lukas Ertl <l.ertl@univie.ac.at> To: "Marc G. Fournier" <scrappy@hub.org> Cc: freebsd-current@freebsd.org Subject: Re: Improvements to fsck performance in -current ...? Message-ID: <20031001010119.M592@korben.in.tern> In-Reply-To: <20030930194544.H94686@ganymede.hub.org> References: <20030930221148.54E7E5D07@ptavv.es.net> <20030930194544.H94686@ganymede.hub.org>
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On Tue, 30 Sep 2003, Marc G. Fournier wrote: > Now,I don't/wouldn't have softupdates enabled on / .. does the 'background > fsck' know to not background if softupdates are not enabled? Yes, this is no problem, if the FS doesn't have SU, it just checks it the "old" way. Since / is usually rather small, this is acceptable. > > I suspect that these enhancements may both require that soft updates be > > enabled for the file systems. > > are either of these enhancements back-patchable to the 4.x fsck, or do > they require some non-4.x compatible changes to work? It's not just the fsck application itself, background fsck basically needs file system snapshots, which are only available on UFS2, and I'm not sure if they can be backported to UFS1 at all. regards, le -- Lukas Ertl eMail: l.ertl@univie.ac.at UNIX Systemadministrator Tel.: (+43 1) 4277-14073 Vienna University Computer Center Fax.: (+43 1) 4277-9140 University of Vienna http://mailbox.univie.ac.at/~le/
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