Re: [zfs-discuss] HP Proliant DL360 G7

2012-07-03 Thread Anh Quach
Thanks Richard and Edmund for the input. Looking at the DL380 now... -Anh On Jul 2, 2012, at 7:57 PM, Richard Elling wrote: > On Jul 2, 2012, at 2:40 PM, Edmund White wrote: > >> This depends upon what you want to do. I've used G6 and G7 ProLiants >> extensively in ZFS deployments (Nexenta,

Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files

2012-07-03 Thread James Litchfield
Agreed - msync/munmap is the only guarantee. On 07/ 3/12 08:47 AM, Nico Williams wrote: On Tue, Jul 3, 2012 at 9:48 AM, James Litchfield wrote: On 07/02/12 15:00, Nico Williams wrote: You can't count on any writes to mmap(2)ed files hitting disk until you msync(2) with MS_SYNC. The system s

Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files

2012-07-03 Thread Nico Williams
On Tue, Jul 3, 2012 at 9:48 AM, James Litchfield wrote: > On 07/02/12 15:00, Nico Williams wrote: >> You can't count on any writes to mmap(2)ed files hitting disk until >> you msync(2) with MS_SYNC. The system should want to wait as long as >> possible before committing any mmap(2)ed file writes

Re: [zfs-discuss] Interaction between ZFS intent log and mmap'd files

2012-07-03 Thread James Litchfield
inline On 07/02/12 15:00, Nico Williams wrote: On Mon, Jul 2, 2012 at 3:32 PM, Bob Friesenhahn wrote: On Mon, 2 Jul 2012, Iwan Aucamp wrote: I'm interested in some more detail on how ZFS intent log behaves for updated done via a memory mapped file - i.e. will the ZIL log updates done to an m