Re: [zfs-discuss] Performance problem suggestions?

2011-05-11 Thread Jim Litchfield
Keep in mind zfs_vdev_max_pending. In the latest version of S10, this is set to 10. ZFS will not issue more than the value of this variable requests at a time for a LUN. Your disks may look relatively idle while ZFS has a lot of data piled up inside just waiting to be read or written. I have tweake

Re: [zfs-discuss] DTrace IO provider and oracle

2011-05-10 Thread Jim Litchfield
I use this construct to get something better than "" args[2]->fi_pathname != "" ? args[2]->fi_pathname : args[1]->dev_pathname In the latest versions of Solaris 10, you'll see IOs not directly issued by the app show up as being owned by 'zpool-POOLNAME' where POOLNAME is the real name of

Re: [zfs-discuss] /var/sadm on zfs?

2008-05-31 Thread Jim Litchfield at Sun
I think you'll find that any attempt to make zones (certainly whole root ones) will fail after this. Jim --- Mike Gerdts wrote: > On Sat, May 31, 2008 at 5:16 PM, Bob Friesenhahn > <[EMAIL PROTECTED]> wrote: > >> On my heavily-patched Solaris 10U4 system, the size of /var (on UFS) >> has gotten