[zfs-discuss] Large zpool design considerations

2008-07-03 Thread Don Enrique
Hi, I am looking for some best practice advice on a project that i am working on. We are looking at migrating ~40TB backup data to ZFS, with an annual data growth of 20-25%. Now, my initial plan was to create one large pool comprised of X RAIDZ-2 vdevs ( 7 + 2 ) with one hotspare per 10

Re: [zfs-discuss] Large zpool design considerations

2008-07-03 Thread Don Enrique
Don Enrique wrote: Now, my initial plan was to create one large pool comprised of X RAIDZ-2 vdevs ( 7 + 2 ) with one hotspare per 10 drives and just continue to expand that pool as needed. Between calculating the MTTDL and performance models i was hit by a rather scary thought