Date: Tue, 30 Sep 2003 20:28:20 -0300 (ADT) From: "Marc G. Fournier" <scrappy@hub.org> To: Lukas Ertl <l.ertl@univie.ac.at> Cc: freebsd-current@freebsd.org Subject: Re: Improvements to fsck performance in -current ...? Message-ID: <20030930202715.C94686@ganymede.hub.org> In-Reply-To: <20031001010119.M592@korben.in.tern> References: <20030930221148.54E7E5D07@ptavv.es.net> <20030930194544.H94686@ganymede.hub.org> <20031001010119.M592@korben.in.tern>
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On Wed, 1 Oct 2003, Lukas Ertl wrote: > > 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. Ah, okay, so when I move my servers to 5.x, then I'm going to need to reformat the systems from scratch, else I lose some serious improvements ... is there a list somewhere of what UFS2 has over UFS1? "file system snapshots", is that similar to journalling?
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