Re: [zfs-discuss] Free space on ZFS file system unexpectedly missing

2011-03-10 Thread Craig Morgan
But even the 'zfs list -o space' is now limited by not displaying snapshots by default, so the catch all is now zfs list -o space -t all shouldn't miss anything then … ;-) Craig On 10 Mar 2011, at 03:38, Richard Elling wrote: On Mar 9, 2011, at 4:05 PM, Tom Fanning wrote: On

[zfs-discuss] NTFS on NFS and iSCSI always generates small IO's

2011-03-10 Thread Matthew Anderson
Hi All, I've run into a problem with my OpenSolaris system and NTFS, I can't seem to make sense of it. The server running the virtual machines is Ubuntu Server 10.04 running KVM. Storage is presented via NFS over Infiniband. ZFS is not running compression or dedup. Zil is also currently

Re: [zfs-discuss] NTFS on NFS and iSCSI always generates small IO's

2011-03-10 Thread Brandon High
On Thu, Mar 10, 2011 at 12:15 AM, Matthew Anderson matth...@ihostsolutions.com.au wrote: I have a feeling it's to do with ZFS's recordsize property but haven't been able to find any solid testing done with NTFS. I'm going to do some testing using smaller record sizes tonight to see if that

Re: [zfs-discuss] NTFS on NFS and iSCSI always generates small IO's

2011-03-10 Thread Richard Elling
On Mar 10, 2011, at 12:15 AM, Matthew Anderson wrote: Hi All, I've run into a problem with my OpenSolaris system and NTFS, I can't seem to make sense of it. The server running the virtual machines is Ubuntu Server 10.04 running KVM. Storage is presented via NFS over Infiniband. ZFS

Re: [zfs-discuss] NTFS on NFS and iSCSI always generates small IO's

2011-03-10 Thread Brandon High
On Thu, Mar 10, 2011 at 9:45 AM, Richard Elling richard.ell...@gmail.com wrote: Default recordsize for NFS is 128K. For the VM case, you will want to match the block size of the clients. However, once the file (on the NFS server) is created with 128K records, it will remain at 128K forever.

Re: [zfs-discuss] NTFS on NFS and iSCSI always generates small IO's

2011-03-10 Thread wessels
And make sure you align your NTFS partition regardless off the underlying storage. Windows 2003 and before DONT do this by default, 7 and 2008 choose a default offset off 1Mb. But better check it in advance with diskpart. Lastly format your NTFS filesystem with an appropriate cluster size. Which

[zfs-discuss] zfs-nfs-sun 7000 series

2011-03-10 Thread Mike MacNeil
Hello, I have a Sun 7000 series NAS device, I am trying to back it up via NFS mount on a Solaris 10 server running Networker 7.6.1. It works but it is extremely slow, I have tested other mounts and they work much faster. The only difference (that I can see) between the two mounts are the