Date: Sun, 28 May 2006 17:53:31 +0900 From: Ian Jefferson <ijeff@sandbox.ca> To: "Chad Leigh -- Shire.Net LLC" <chad@shire.net> Cc: FreeBSD Questions Mailing List <freebsd-questions@freebsd.org> Subject: Re: OT: Torn between SCSI and SATA for RAID Message-ID: <D00A1998-0EF5-4D65-BE13-E7003505F773@sandbox.ca> In-Reply-To: <0E6E4139-E567-4A85-BDA6-7D73FE0668F6@shire.net> References: <1147255200.4461b9a0a5e71@196.22.132.16> <df9ac37c0605100912s46bffe8an7c1212c4ca0330e5@mail.gmail.com> <44621529.7050804@netfence.it> <20060511104517.GA11619@storage.mine.nu> <1147344670.4463171eb5364@196.22.132.16> <F5BECDDE-0545-41E6-AEC2-90ABE5A7FF11@sandbox.ca> <0E6E4139-E567-4A85-BDA6-7D73FE0668F6@shire.net>
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> > > I'd rather run 5 SATA cables then one SCSI cable (say 68pin) with > multiple heads... The darn SCSI cables are so thick, > comparatively, that running them in your case is a lot harder :-) > > Well everyone's mileage may vary. Parallel cables only work nicely when you have a stack of drives all close & lined up together. I personally yearn for a simple 40gbps daisychainable serial bus. I hoped firewire would have been it but we seem to be stuck at 800mpbs. The other cabling option I forgot about is USB2 or Firewire. There are a number of very low cost external cases that pre-package USB/Firewire SATA converters. You basically fill a hard disk case with SATA or ATA drives and connect your computer to the case via a single firewire or USB cable. I have not seen one of these that's hot swap yet but I did see a few of these recently in Tokyo Akihabara district for ~$100 so I assume they are available all over. The box's I have seen are 4 drive systems. Just fill them with your favorite commodity hard disk I guess. At ~50MB/s the interface is plenty fast and greatly simplifies the cable issue inside the PC. IJ
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