[zfs-discuss] ?: SMI vs. EFI label and a disk's write cache

2009-08-05 Thread Steffen Weiberle
For Solaris 10 5/09... There are supposed to be performance improvements if you create a zpool on a full disk, such as one with an EFI label. Does the same apply if the full disk is used with an SMI label, which is required to boot? I am trying to determine the trade-off, if any, of having a

Re: [zfs-discuss] ?: SMI vs. EFI label and a disk's write cache

2009-08-05 Thread Cindy . Swearingen
Hi Steffen, Go with a mirrored root pool is my advice with all the disk space in s0 on each disk. Simple is best and redundant simple is even better. I'm no write cache expert, but a few simple tests on Solaris 10 5/09, show me that the write cache is enabled on a disk that is labeled with an

Re: [zfs-discuss] ?: SMI vs. EFI label and a disk's write cache

2009-08-05 Thread Steffen Weiberle
Hi Cindy, thanks for the reply... On 08/05/09 18:55, cindy.swearin...@sun.com wrote: Hi Steffen, Go with a mirrored root pool is my advice with all the disk space in s0 on each disk. Simple is best and redundant simple is even better. I will suggest that. Had already considered it. Since