Re: [zfs-discuss] Desperate question about MPXIO with ZFS-iSCSI

2009-01-08 Thread Dave Brown
S, Are you sure you have MPXIO turned on? I haven't dealt with Solaris for a while (will again soon as I get some virtual servers setup) but in the past you had to manually turn it on. I believe the path was /kernel/drv/scsi_vhci.h (I may be missing some of the path) and you changed the

Re: [zfs-discuss] ZFS vs HardWare raid - data integrity?

2008-12-31 Thread Dave Brown
There is a company (DataCore Software) that has been making / shipping products for many years that I believe would help in this area. I've used them before, they're very solid and have been leveraging the use of commodity server and disk hardware to build massive storage arrays (FC iSCSI),

Re: [zfs-discuss] ZFS as a Gateway for a stroage network

2008-12-14 Thread Dave Brown
You might want to look into the products from a company called DataCore Software, http://datacore.com/products/prod_home.asp. I've used them and they are great stuff. They make very high performing iSCSI and FC storage controllers out of leveraging commodity hardware, like the one

[zfs-discuss] 'zeroing out' unused blocks on a ZFS?

2008-11-25 Thread Dave Brown
I have RTFM'd through this list and a number of Sun docs at docs.sun and can't find any information on how I might be able to write out 'hard zeros' to the unused blocks on a ZFS. The reason I'd like to do this is because if the storage (LUN/s) I'm providing to the ZFS is thin-provisioned