ZFS kmem_map too small.

Claus Guttesen kometen at gmail.com
Fri Oct 5 03:20:02 PDT 2007


> I have a server which gets these 'kmem_map too small' stops. I have an
> Dell PE2850 and is running current as of Sept. 26'th 2007. The error
> is easy to trigger. I have copied 90 GB of jpeg-files with a size of
> approx. 1 MB and a thumbnail at 4 KB. These files are distributed in
> approx. 700 folders. The files resides on it's own partition.

Forgot to mention:

amd64, 4 GB ram, second gen. zzzeon. qlogic hba's.

zetta~%>more /boot/loader.conf:
#vm.kmem_size=512M
#vm.kmem_size=640M
vm.kmem_size=768M
#vm.kmem_size_max=512M
#vm.kmem_size_max=640M
vm.kmem_size_max=1024M
vfs.zfs.arc_max=1536M

zetta~%>more /etc/sysctl.conf:
kern.maxvnodes=400000
net.inet.tcp.log_debug=0

-- 
regards
Claus

When lenity and cruelty play for a kingdom,
the gentlest gamester is the soonest winner.

Shakespeare


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