Date: Tue, 21 Jan 2003 16:31:32 +0100 From: Miklos Niedermayer <mico@vnet.hu> To: Dag-Erling Smorgrav <des@ofug.org> Cc: fs@freebsd.org Subject: Re: RAID alternatives Message-ID: <20030121153132.GD50232@bsd.hu> In-Reply-To: <xzp4r82y1ol.fsf@flood.ping.uio.no> References: <xzp4r82y1ol.fsf@flood.ping.uio.no>
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Hi, On Tue, Jan 21, 2003 at 04:15:06PM +0100, Dag-Erling Smorgrav wrote: > - Hardware RAID (more expensive, but less hassle and possibly higher > performance). The problem here is that IDE RAID controllers don't > seem to support RAID 4 or 5; they only support RAID 0, which is > pointless on its own; RAID 1, which is horribly wasteful; and JBOD, Actually, those cheap IDE "RAID controllers" without RAID4/5 aren't RAID controllers. Mirroring is done by the operating system (you can check this, install the OS on a mirror, then type iostat 2 - the OS will be handling the disks separately). Avoid using these. Real IDE RAID controllers cost almost as much as the SCSI ones. I've only met the Adaptec 2400, it runs fine... bye mico -- Miklos Niedermayer tel +36203891185 icq 161267913 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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