Is there any way to increase the KVM?

2008-05-30 Thread Tz-Huan Huang
Hi, Our nfs server is running 7-stable/amd64 with 8G ram, the size of zfs pool is 12T. We have set vm.kmem_size and vm.kmem_size_max to 1.5G, but the kernel still panics by "kmem_map too small" often. According to [1], the limitation is not only by the loader (is it fixed now?) but also by the def

Re: Is there any way to increase the KVM?

2008-05-31 Thread Tz-Huan Huang
On Sun, Jun 1, 2008 at 12:49 AM, John Baldwin <[EMAIL PROTECTED]> wrote: > On Saturday 31 May 2008 01:52:56 am Tz-Huan Huang wrote: >> Hi, >> >> Our nfs server is running 7-stable/amd64 with 8G ram, the size of zfs >> pool is 12T. We have set vm.kmem_size and vm.

Re: Is there any way to increase the KVM?

2008-05-31 Thread Tz-Huan Huang
On Sun, Jun 1, 2008 at 2:54 AM, Maslan <[EMAIL PROTECTED]> wrote: > Hi, > > is PAE enabled in your kernel config ? Our server runs on amd64. I might be wrong, but I think PAE is for i386 only, right? Thanks, Tz-Huan ___ freebsd-hackers@freebsd.org maili

Re: Is there any way to increase the KVM?

2008-06-01 Thread Tz-Huan Huang
On Sun, Jun 1, 2008 at 4:03 AM, Maslan <[EMAIL PROTECTED]> wrote: > Your are right PAE is for i386, i mean try running i386 freebsd with > PAE enabled rather than amd64. PAE will let you access 64GB which is > far than you got. The whole 8G physical memory is available in our system, the point we

Re: Is there any way to increase the KVM?

2008-06-03 Thread Tz-Huan Huang
On Tue, Jun 3, 2008 at 9:53 PM, Pawel Jakub Dawidek <[EMAIL PROTECTED]> wrote: > On Sat, May 31, 2008 at 01:52:56PM +0800, Tz-Huan Huang wrote: >> Hi, >> >> Our nfs server is running 7-stable/amd64 with 8G ram, the size of zfs >> pool is 12T. We have set vm.

Re: Is there any way to increase the KVM?

2008-06-04 Thread Tz-Huan Huang
On Thu, Jun 5, 2008 at 12:31 AM, Dag-Erling Smørgrav <[EMAIL PROTECTED]> wrote: > "Tz-Huan Huang" <[EMAIL PROTECTED]> writes: >> The vfs.zfs.arc_max was set to 512M originally, the machine survived for >> 4 days and panicked this morning. Now the vfs.zfs

Re: Is there any way to increase the KVM?

2008-06-05 Thread Tz-Huan Huang
On Thu, Jun 5, 2008 at 2:27 PM, Pawel Jakub Dawidek <[EMAIL PROTECTED]> wrote: > On Thu, Jun 05, 2008 at 01:53:37AM +0800, Tz-Huan Huang wrote: >> On Thu, Jun 5, 2008 at 12:31 AM, Dag-Erling Sm??rgrav <[EMAIL PROTECTED]> >> wrote: > I'm don't think the pani

Re: Increasing KVM on amd64

2008-06-07 Thread Tz-Huan Huang
On Sun, Jun 8, 2008 at 7:59 AM, Alan Cox <[EMAIL PROTECTED]> wrote: > You can download a patch from > http://www.cs.rice.edu/~alc/amd64_kvm_6GB.patch that increases amd64's > kernel virtual address space to 6GB. This patch also increases the default > for the kmem map to almost 2GB. I believe tha

Re: Increasing KVM on amd64

2008-06-08 Thread Tz-Huan Huang
On Sun, Jun 8, 2008 at 2:02 PM, Alan Cox <[EMAIL PROTECTED]> wrote: > Tz-Huan Huang wrote: > >> On Sun, Jun 8, 2008 at 7:59 AM, Alan Cox <[EMAIL PROTECTED]> wrote: >> >>> >>> You can download a patch from >>> http://www.cs.rice.edu/~alc/amd6