Gentoo Archives: gentoo-user

From:	Bob Sanders <rmsand@××××××××××.net>
To:	gentoo-user@l.g.o
Subject:	Re: [gentoo-user] AMD 64 bit system selections
Date:	Thu, 02 Feb 2006 01:25:27
Message-Id:	`20060201172017.6cf00042@chi.speakeasy.net`
In Reply to:	Re: [gentoo-user] AMD 64 bit system selections by Bob Sanders

1	> For video data, use a linear stripe across two controllers. And at least three controllers
2	> for HD video. But HD video requires SCSI or SAS, stripped across multiple controllers and
3	> 15Krpm drives in the arrays.
4
5
6	I should be a bit more detailed. For -
7
8	Uncompressed SD video - 60 MB/s sustained. 3 to 4 IDE drives striped will do.
9	Uncompressed HD video, up to 1080i - 270 MB/s sustained - 3 disk controllers,
10	3 disk arrays, 15 Krpm drives.
11	Uncompressed HD video 1080p or 4:4:4:4 or dual-link - 360 MB/s sustained - 4
12	disk controllers, 4 disk arrays, 15 Krpm drives.
13
14	Compressed SD video - mpeg2, 480P, DVpro - 20 MB/s sustained - 1 disk controller,
15	7200 rpm drives, single array. 2 streams requires Uncompressed SD bandwidth.
16
17	Bob
18	-
19	--
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