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On Tue, Apr 8, 2008 at 10:39 AM, <[hidden email]> wrote: > However, up until now, I believe, disks have always been faster than > network. When ethernet was 10 mbit/s, disks were 2 mbyte/s, with ethernet Back in 2000, I worked ata place in Marlboro where the main office in California was using a NetApp array and we were mirroring it nightly to a heterogeneous collection of local disks on Sun workstations. The main office wanted us to get a NetApp ourselves, and the engineers in my group were skeptical. They were concerned that using an NFS-mounted file system would slow them down too much, and I argued that the slowdown would be almost unnoticeable, as we had just switched from 10baseT to 100baseTX. I convinced the group to do a comparison to measure the difference, and while I expected the NetApp to be slightly slower than local disks, it turned out that the NetApp was actually about 20% faster than local disk when doing a complete recompile of their software on a Sun Ultra 60 workstation with its RAM maxed out. As I recall, the local hard drive in that machine was an Ultra-160 SCSI drive at 10,000 RPMs. The NetApp was able to outperform this with 100mb/s, and this 8 years ago. -- John Abreau / Executive Director, Boston Linux & Unix GnuPG KeyID: 0xD5C7B5D9 / Email: [hidden email] GnuPG FP: 72 FB 39 4F 3C 3B D6 5B E0 C8 5A 6E F1 2C BE 99 -- This message has been scanned for viruses and dangerous content by MailScanner, and is believed to be clean. _______________________________________________ Discuss mailing list [hidden email] http://lists.blu.org/mailman/listinfo/discuss
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