Date: Wed, 09 Aug 2000 12:35:11 CEST From: Mitja Horvat <mitja.horvat@hermes.si> To: void <float@firedrake.org>, Mitja Horvat <mitja.horvat@hermes.si> Cc: freebsd-hackers@freebsd.org Subject: Re: 4.1-RELEASE problem writing to async mounted filesystem Message-ID: <200008091038.MAA03452@akira.hermes.si>
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Hi, > > There's no reason to use softupdates and async together. SU gets you > the same benefits, but much more safely. You are right... I thought async was only for data updates, not metadata too... Thanks for clearing this out... As I understand SU, it's just a method to do metadata asynchronously in a safe way, so using noasync with SU does still have a point? > > This does not happen if the fs is mounted synchronously, but I also get > > MUCH slower IO > > throughput(800kb/s compared to 12MB/s with async). > > Mounted sync or noasync? They're not the same thing. > It was mounted async. I mounted it noasync and it behaves much better... It's not as responsive as when mounted sync, but the throughput is 12MB/s. Thank you for your help, Mitja To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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