Date: Fri, 17 Sep 2010 11:48:56 -0500 From: Bryan Drewery <bryan@shatow.net> To: Jeremy Chadwick <freebsd@jdc.parodius.com> Cc: freebsd-fs@freebsd.org Subject: Re: what happens to pool if ZIL dies on ZFS v14 Message-ID: <4C939BF8.7060105@shatow.net> In-Reply-To: <4C939B47.6030701@shatow.net> References: <AANLkTi=vYVG300nhMjkcLju=kQhBdPJDqyaXR0mG84%2Bp@mail.gmail.com> <4C9385B0.2080909@shatow.net> <AANLkTin0LwQz%2BWi5cBOcHuVqyOz3%2BfFR7YC_=f2L5CyX@mail.gmail.com> <AANLkTinbPK1rNK5hg=t7N=sqFLuh8sNrZT9DFC_ppXWF@mail.gmail.com> <20100917161847.GA58503@icarus.home.lan> <AANLkTi=NX6koyj_xmadrTw8OvgCATPA=EQnTPmAxNGpo@mail.gmail.com> <20100917163732.GA59537@icarus.home.lan> <4C939B47.6030701@shatow.net>
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> > The ZIL is still used even without a dedicated log device. Disabling > it is *stupid* in most cases. > Same goes for disabling the ARC. > > There is a lot of FUD out there regarding ZFS tuning. The bottom line: > don't tune; add more RAM. > http://www.solarisinternals.com/wiki/index.php/ZFS_Evil_Tuning_Guide#Disabling_the_ZIL_.28Don.27t.29
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