Re: [zfs-discuss] 6Tb Database with ZFS

2012-12-02 Thread Bob Friesenhahn
On Sat, 1 Dec 2012, Fung Zheng wrote: Hello, Thanks for you reply, i forgot to mention that the doc Configuring ZFS for an Oracle Database was followed, this include primarycache, logbias, recordsize properties, all the best practices was followed and my only doubt is the arc_max parameter,

Re: [zfs-discuss] 6Tb Database with ZFS

2012-12-01 Thread Jim Klimov
On 2012-12-01 15:05, Fung Zheng wrote: Hello, Im about to migrate a 6Tb database from Veritas Volume Manager to ZFS, I want to set arc_max parameter so ZFS cant use all my system's memory, but i dont know how much i should set, do you think 24Gb will be enough for a 6Tb database? obviously the

Re: [zfs-discuss] 6Tb Database with ZFS

2012-12-01 Thread Fung Zheng
Hello, Thanks for you reply, i forgot to mention that the doc Configuring ZFS for an Oracle Database was followed, this include primarycache, logbias, recordsize properties, all the best practices was followed and my only doubt is the arc_max parameter, i want to know if 24Gb is good enough for a