>>> On Tue, 19 Feb 2008 14:25:28 -0500, "Norman Elton" >>> <normelton@xxxxxxxxx> said: [ ... ] normelton> The box presents 48 drives, split across 6 SATA normelton> controllers. So disks sda-sdh are on one controller, normelton> etc. In our configuration, I run a RAID5 MD array for normelton> each controller, then run LVM on top of these to form normelton> one large VolGroup. Pure genius! I wonder how many Thumpers have been configured in this well thought out way :-). BTW, just to be sure -- you are running LVM in default linear mode over those 6 RAID5s aren't you? normelton> I found that it was easiest to setup ext3 with a max normelton> of 2TB partitions. So running on top of the massive normelton> LVM VolGroup are a handful of ext3 partitions, each normelton> mounted in the filesystem. Uhm, assuming 500GB drives each RAID set has a capacity of 3.5TB, and odds are that a bit over half of those 2TB volumes will straddle array boundaries. Such attention to detail is quite remarkable :-). normelton> This less than ideal (ZFS would allow us one large normelton> partition), That would be another stroke of genius! (especially if you were still using a set of underlying RAID5s instead of letting ZFS do its RAIDZ thing). :-) normelton> but we're rewriting some software to utilize the normelton> multi-partition scheme. Good luck! - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
