Richard Elling wrote: > Barton Fisk wrote: > >> Hi, >> Forgive my ignorance of ZFS, but I have a customer that would like to set up >> three 14+2 raidz2 groups on a new thor with 48 1TB drives (updated thumper) >> so that 42TB for data could be achieved. What performance or other technical >> issues with a stripe 14 disks wide would he likely see? He does not want a >> hot spare. >> Any advice appreciated in advance. >> >> > > RAIDoptimizer was designed to help you work through the possibilities > and make trade-offs. Note that the man page does not encourage such > wide sets, you can see why when you run RAIDoptimizer. > http://ras4sun.sfbay.sun.com/HTMLS/tools.html >
Silly me. It is still Monday, and I am coffee challenged. RAIDoptimizer is still an internal tool. However, for those who are interested in the results of a RAIDoptimizer run for 48 disks, see: http://blogs.sun.com/relling/entry/sample_raidoptimizer_output -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss