[zfs-discuss] primarycache and secondarycache properties on Solaris 10 u8

Hello, I've seen in the "what's new" of Solaris 10 update 8 just released that ZFS now includes the "primarycache" and "secondarycache" properties. Is this the "equivalent" of the UFS directio? Does it have a similar behavior? I'm thinking about having a database on ZFS with this option, a

Re: [zfs-discuss] ZFS ARC vs Oracle cache

Hi Richard, Thanks for your reply. We are using Solaris 10 u6 and ZFS version 10. Regards, Javi Richard Elling wrote: On Sep 24, 2009, at 10:30 AM, Javier Conde wrote: Hello, Given the following configuration: * Server with 12 SPARCVII CPUs and 96 GB of RAM * ZFS used as file system

[zfs-discuss] ZFS ARC vs Oracle cache

Hello, Given the following configuration: * Server with 12 SPARCVII CPUs and 96 GB of RAM * ZFS used as file system for Oracle data * Oracle 10.2.0.4 with 1.7TB of data and indexes * 1800 concurrents users with PeopleSoft Financial * 2 PeopleSoft transactions per day * HDS USP1100 with LUN

[zfs-discuss] Changing the recordsize while replacing a disk

Hello, Quick question: I have changed the recordsize of an existing file system and I would like to do the conversion while the file system is online. Will a disk replacement change the recordsize of the existing blocks? My idea is to issue a "zpool replace Will this work? Thanks in ad

Re: [zfs-discuss] URGENT: very high busy and average service time with ZFS and USP1100

ells us there's something that needs to be done on the ZFS side. Not enough data. It looks like a very lopsided IO load distribution problem. You have 8 LUNs cetX devices, 2 of which are getting slammed with IOPS, the other 6 are relatively idle. Thanks, /jim Javier Conde wrote: Hell