Date: Fri, 17 Sep 2010 08:35:04 -0700 From: Gil Vidals <gvidals@gmail.com> To: freebsd-fs@freebsd.org Subject: Re: what happens to pool if ZIL dies on ZFS v14 Message-ID: <AANLkTin0LwQz%2BWi5cBOcHuVqyOz3%2BfFR7YC_=f2L5CyX@mail.gmail.com> In-Reply-To: <4C9385B0.2080909@shatow.net> References: <AANLkTi=vYVG300nhMjkcLju=kQhBdPJDqyaXR0mG84%2Bp@mail.gmail.com> <4C9385B0.2080909@shatow.net>
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Bryan thank you for the detailed answer. Assuming the ZIL SSD died, what steps would I follow to recover the pool? (i hope it is recoverable). -Gil Vidals / VMRacks.com On Fri, Sep 17, 2010 at 8:13 AM, Bryan Drewery <bryan@shatow.net> wrote: > Gil Vidals wrote: > >> I read a forum post claiming that FreeBSD's ZFS v13 will not continue to >> function normally when the dedicated ZIL devices dies or goes away. >> Apparently the Solaris version of ZFS does support losing the ZIL. So can >> somebody confirm what happens in FreeBSD 8.1 (ZFS v14)? >> >> >> > Yes that is correct. You should mirror your log devices to avoid problems. > > zfs v19 allows removing log devices - so mirroring will not be necessary > after that point. > opensolaris$ zpool upgrade -v|grep Log > 19 Log device removal > > > Bryan >
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