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Pretty sure I mentioned 3ware in my post =) I've been using them since around '01 and have never had a problem with them. -miah On Wed, Apr 28, 2004 at 09:31:31AM -0400, David Backeberg wrote: > Bob: > > You've already seen everybody else's answers about how many disks you can use. > A card I haven't seen mentioned is the 3ware line of raid cards. There's an > 8-port SATA card from 3ware called the 8506-8 I've played with using linux > software raid. You can have it export all the drives as JBOD and I've found > that linux software raid5 running on a dual proc xeon box can run the drives > about twice as fast as the controller chipset running raid5 on the card. > (115% quicker with some quick hdparm checks) > > BTW, what makes you want SATA? I've never seen anybody do true "hot swap" with > SATA drives, but that doesn't mean it's impossible. The swapping I've seen > is: > 1) turn off the system > 2) pull out the quick-release drive from its bay > 3) put a different drive into the bay > 4) turn the system back on > > Which is nicer than opening a chassis and moving cables around, but it's not > true hot swap. Has anybody actually hot-plugged a SATA drive under linux? If > the scsi bus can handle it, then this should be possible, since at least with > the 3ware card with JBOD, the disks show up as scsi devices. > > And how much money are you planning to spend? If you want to rack mount this, > there are several chassis that have integrated hot-swappable backplanes. > > And what are you using for cpus/ram, etc? If you're going software raid, its > your cpu(s) that are doing the work of running the raid... > > On Tuesday 27 April 2004 17:06, Bob Keyes wrote: > > At my new job, we have a NAS "Snap Appliance", which is pretty horrible > > and I want to get rid of it. So I am going to push for a Linux solution. > > I'd want RAID level 5, and Serial ATA drives, and of course linux > > niceness. I was looking at the Adaptec 2810SA, but it's got 8 ports..I > > though you needed 9 for RAID5 (one for each bit plus one parity) or am I > > misunderstanding this? I'd also want hot-swappable. Anyone have any > > suggestions? > > > > For backup, I am thinking the Sony AIT-2 changer, LIB-D81/A2. Don't know > > if it's compatible with Bacula though... > > _______________________________________________ > > Discuss mailing list > > Discuss at blu.org > > http://www.blu.org/mailman/listinfo/discuss > > -- > David Backeberg (dave at microway.com) > Microway Technical Support - http://www.microway.com > > (508) 732-5542 Direct > (508) 746-7341 Main > (508) 746-4678 Fax > > _______________________________________________ > Discuss mailing list > Discuss at blu.org > http://www.blu.org/mailman/listinfo/discuss >
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