Andrew Gabriel <[EMAIL PROTECTED]> wrote:
> I have put together a simple set of figures I use to compare how disks
> and systems have changed over the 25 year life of ufs/ffs, which I
> sometimes use when I give ZFS presentations...
>
> 25 years ago Now factor
> ------------ --- ------
> Disk RPM 3,600 10,000 x3
> Disk IOPS 30 300 x10
> Disk Data rate 0.96MB/s 75MB/s x80
> Capacity 100MB 1TB x10,000
> System MIPS 4 400,000 x100,000
The best rate I did see in 1985 was 800 kB/s (w. linear reads)
now I see 120 MB/s this is more than x100 ;-)
Jörg
--
EMail:[EMAIL PROTECTED] (home) Jörg Schilling D-13353 Berlin
[EMAIL PROTECTED] (uni)
[EMAIL PROTECTED] (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily
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