Richard Jones wrote:
[...]
> to reformat it. However, I'll get bonnie benchmarks
> for the new array once it's finished initial
> building. I've noticed that the RAID5.HOWTO has
[...]

Here they are:

# /sbin/hdparm -t /dev/md0 

/dev/md0:
 Timing buffered disk reads:  32 MB in  0.93 seconds =34.41 MB/sec

# ~rich/dev/bonnie/Bonnie -s 1024 -m king
[...]
              -------Sequential Output-------- ---Sequential Input--
--Random--
              -Per Char- --Block--- -Rewrite-- -Per Char- --Block---
--Seeks---
Machine    MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU 
/sec %CPU
king     1024  7634 87.3 34964 37.3 12468 28.6  8735 95.7 31303 28.7
172.2  4.2

Machine stats:

        Intel Xeon 450 MHz
        256 MB RAM
        6 * 18 GB Seagate Barracuda drives
        2 * AdvanSys 940 UW controllers (3 drives on each controller)

Software RAID stats:

        32 KB chunk size
        4 KB filesystem block size
        Stride = 8

I'm going to measure fsck and mount times exactly next ...

Rich.

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