On Wed, Feb 24, 2010 at 10:57:08AM +0000, li...@di.cx wrote: > 2 x SuperMicro AOC-SAT2-MV8 SATA controllers (so 16 ports in total, > plus 6 on the motherboard)
What about case space for the disks? > Disks: 3x40GB rpool mirror and spare on shelf. 3 way mirror if you really want and have the space. > 1x250GB single pool, scratch space and adhoc backups, or hurl it at the invading barbarian horde, as you prefer. > 4x500GB 2+2 mirror, one mirror side on each AOC card, for vm images and documents. > 4x1TB buy 2 more, 6-way raidz2 for misc media, 3 ports each per AOC. do automated regular send|recv of the 4x500 pool onto this one as backup. > and looking to buy some 2TB disks to fill the gap (unless advised against > here) hold off on these. when you need future expansion, get 6 of whatever disk makes sense at the time. you have 6 ports left on your AOCs, so you can add a second 6-way raidz2 vdev to the above pool, or upgrade-in-place the 1Tb drives in that pool. This leaves you 3 or 4 motherboard ports (depending what you do with the 250) to use for zil or l2arc ssd's. This, or more RAM if the m/b will take it, is a better use of your cash now. -- Dan.
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