Date: Fri, 1 Oct 1999 15:05:46 -0700 From: "Scott Hess" <scott@avantgo.com> To: <freebsd-hardware@freebsd.org> Subject: Recommendations for FreeBSD RAID subsystems? Message-ID: <01d501bf0c59$1cdbe920$1e80000a@avantgo.com>
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I'm looking to put together a RAID subsystem to be run under FreeBSD. In the near-term, it won't be too large, but I'll need to be able to add drives as things progress - preferrably on-the-fly, but I'm willing to accept a couple minutes of downtime if that's what it takes. I'm thinking to start with five drives (2 filesystems on RAID1 mirrors, plus a single hot spare), though I could see later having perhaps 25 drives or so (still probably in small RAID1 mirrors with hot spares). The best, in fact the _only_, info I've seen in this area is ftp://ftp.cdrom.com/archive-info/wcarchive.txt. It pretty much agrees with what I've seen in the past. The Mylex 960SXI SCSI-SCSI controller seems pretty reasonable for the job, since you get things like the serial port management console and the like (I don't want to put 25 drives in an array that you have to reboot to NT to reconfigure!). Does anyone have anything to add to this? Other capable controllers, good vendors to purchase from, good/dense chassis, etc? Has anyone ever used the dual-controller failover stuff mentioned in the specs with FreeBSD? How about the dual-host failover stuff? Anyone willing to describe the process of noting a failure, and marking a newly inserted drive as hot spare? Any other information you think I need would be appreciated. Thanks much, scott hess scott@avantgo.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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