[zfs-discuss] Re: ZFS Usage in Warehousing (lengthy intro, now slightly OT)

2006-12-13 Thread Jochen M. Kaiser
Al, > > Being a friend of simplicity I was thinking about > using a pair (or more) of 3320 > > SCSI JBODs with multiple RAIDZ and/or RAID10 zfs > disk pools on which we'd > > Have you not heard that SCSI is dead? :) > While I understand you don't want to build a SAN, an > alternative would be

[zfs-discuss] Re: Re: ZFS Usage in Warehousing (no more lengthy intro)

2006-12-13 Thread Jochen M. Kaiser
Robert, > It's not that bad with CPU usage. > For example with RAID-Z2 while doing scrub I get > something like > 800MB/s read from disks (550-600MB/s from zpool > iostat perspective) > and all four cores are mostly consumed - I get > something like 10% idle > on each cpu. === But in the end this

[zfs-discuss] ZFS Usage in Warehousing (lengthy intro)

2006-12-08 Thread Jochen M. Kaiser
Dear all, we're currently looking forward to restructure our hardware environment for our datawarehousing product/suite/solution/whatever. We're currently running the database side on various SF V440's attached via dual FC to our SAN backend (EMC DMX3) with UFS. The storage system is (obviously

[zfs-discuss] Re: ZFS/Thumper experiences

2006-08-08 Thread Jochen M. Kaiser
Hello, I really appreciate such information, could you please give us some additional insight regarding your statement, that "[you] tried to drive ZFS to its limit, [...] found that the results were less consistent or predictable". Especially when taking a closer look at the upcoming rdbms+thum