Re: [zfs-discuss] How's zfs RAIDZ fualt-tolerant ???

2006-05-26 Thread David J. Orman
RAID-Z is single-fault tolerant. If if you take out two disks, then you no longer have the required redundancy to maintain your data. Build 42 should contain double-parity RAID-Z, which will allow you to sustain two simulataneous disk failures without dataloss. I'm not sure if this

Re: [zfs-discuss] How's zfs RAIDZ fualt-tolerant ???

2006-05-26 Thread grant beattie
On Fri, May 26, 2006 at 10:33:34AM -0700, Eric Schrock wrote: RAID-Z is single-fault tolerant. If if you take out two disks, then you no longer have the required redundancy to maintain your data. Build 42 should contain double-parity RAID-Z, which will allow you to sustain two simulataneous

Re: [zfs-discuss] How's zfs RAIDZ fualt-tolerant ???

2006-05-26 Thread Nicolas Williams
On Sat, May 27, 2006 at 08:29:05AM +1000, grant beattie wrote: is raidz double parity optional or mandatory? Backwards compatibility dictates that it will be optional. ___ zfs-discuss mailing list zfs-discuss@opensolaris.org