Re: [zfs-discuss] Oracle Performance - ZFS vs UFS (Jason King)

2010-02-13 Thread Allen Eastwood
There is of course the caveat of using raw devices with databases (it becomes harder to track usage, especially as the number of LUNs increases, slightly less visibility into their usage statistics at the OS level ). However perhaps now someone can implement the CR I filed a long time ago

Re: [zfs-discuss] Oracle Performance - ZFS vs UFS (Jason King)

2010-02-13 Thread Jason King
My problem is when you have 100+ luns divided between OS and DB, keeping track of what's for what can become problematic. It becomes even worse when you start adding luns -- the chance of accidentally grabbing a DB lun instead of one of the new ones is non-trivial (then there's also the chance

Re: [zfs-discuss] Oracle Performance - ZFS vs UFS (Jason King)

2010-02-13 Thread Allen Eastwood
So, one of the tricks I've used in the past is to assign a volname in format as I use luns. Dunno if that's an option with ASM? ZFS seems to blow those away, the last time I looked. -A On Feb 13, 2010, at 14:32 , Jason King wrote: My problem is when you have 100+ luns divided between OS