imho, if possible pick sas 7200 hdd no hw-raid for ZFS mirror and with ZIL and good size memory
Sent from my iPad On Dec 16, 2011, at 17:36, t...@ownmail.net wrote: > I could use some help with choosing hardware for a storage server. For > budgetary and density reasons, we had settled on LFF SATA drives in the > storage server. I had closed in on models from HP (DL180 G6) and IBM > (x3630 M3), before discovering warnings against connecting SATA drives > with SAS expanders. > > So I'd like to ask what's the safest way to manage SATA drives. We're > looking for a 12 (ideally 14) LFF server, 2-3U, similar to the above > models. The HP and IBM models both come with SAS expanders built into > their backplanes. My questions are: > > 1. Kludginess aside, can we build a dependable SMB server using > integrated HP or IBM expanders plus the workaround > (allow-bus-device-reset=0) presented here: > http://gdamore.blogspot.com/2010/12/update-on-sata-expanders.html ? > > 2. Would it be better to find a SATA card with lots of ports, and make > 1:1 connections? I found some cards (arc-128, Adaptec 2820SA) w/Solaris > support, for example, but I don't know how reliable they are or whether > they support a clean JBOD mode. > > 3. Assuming native SATA is the way to go, where should we look for > hardware? I'd like the IBM & HP options because of the LOM & warranty, > but I wouldn't think the hot-swap backplane offers any way to bypass the > SAS expanders (correct me if I'm wrong here!). I found this JBOD: > http://www.pc-pitstop.com/sata_enclosures/sat122urd.asp I also know > about SuperMicro. Are there any other vendors or models worth > considering? > > Thanks! > _______________________________________________ > zfs-discuss mailing list > zfs-discuss@opensolaris.org > http://mail.opensolaris.org/mailman/listinfo/zfs-discuss _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
