On 12/10/07, Alexandre Biancalana <biancalana_at_gmail.com> wrote: > > On 12/7/07, Michael Haro <mharo_at_freebsd.org> wrote: > > > > > > > > I have found that turning off zil and prefetch seem to keep things > > > > happier on one of the heavily loaded servers that I look after. > > > > It also appears to prevent a deadlock under very heavy load - > something > > > > I've not yet had time to debug. > > > > Try adding: > > > > > > > > vfs.zfs.zil_disable=1 > > > > vfs.zfs.prefetch_disable="1" > > > > > > > > to /boot/loader.conf > > > > > > > > and let us know if it makes a difference. > > > > > > Added now only > > > > > > vfs.zfs.prefetch_disable="1" > > > > > > > > > I let you know the result. > > > > Is the result promising? > > > > > Yes ! The machine does not reboot anymore ! What combination of settings did you have to do to make it stable? I tried setting vfs.zfs.prefetch_disable="1' in loader.conf and my machine still panics within 20 minutes during (I think) large file transfers.Received on Mon Dec 10 2007 - 16:06:53 UTC
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