Date: Thu, 24 Feb 2011 14:00:27 -0600 From: Adam Vande More <amvandemore@gmail.com> To: Piotr Kucharski <piotr.kucharski@42.pl> Cc: freebsd-fs@freebsd.org Subject: Re: very slow zfs scrub Message-ID: <AANLkTikjKwee9o2RGa1NLFHodV6kEVkSfSsNEw_25yMZ@mail.gmail.com> In-Reply-To: <AANLkTik%2BUhMSfGgNPr=qd_Rfwb-12aXHWGAJnNGQH2j=@mail.gmail.com> References: <AANLkTim6z5KiceXQE-DHt51TBs%2BSO8NNLpi7fYBTwXpE@mail.gmail.com> <AANLkTimDqcdNv0DqyScEQU3Fw=t9xtOaAZqy2BfWNhpw@mail.gmail.com> <AANLkTik%2BUhMSfGgNPr=qd_Rfwb-12aXHWGAJnNGQH2j=@mail.gmail.com>
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On Thu, Feb 24, 2011 at 1:28 PM, Piotr Kucharski <piotr.kucharski@42.pl>wrote: > > Wow! What does scrub do that it slows ggate drive almost to halt? > > What can I do to fix it? > I think network latency is going to have huge impact on performance here. Have you tried any ggate or nic tuning? Would HAST be an option for you? I think it has more performance thought put into it. -- Adam Vande More
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