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Date:      Sun, 2 Sep 2007 17:12:31 -0500
From:      "Emanuel Marufo" <marufos@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: Tunning Freebsd for clustering
Message-ID:  <8d954c40709021512h69442db2r4718b2e3e22dc2fb@mail.gmail.com>
In-Reply-To: <46D7AED5.2010609@u.washington.edu>
References:  <20070831005536.GB25621@datapipe.com> <8d954c40708301813q361a3e5du7cf015de683d4dd2@mail.gmail.com> <8d954c40708301823p364f0c23i8f566ea033a217d@mail.gmail.com> <20070831074217.N9493@wojtek.tensor.gdynia.pl> <46D7AED5.2010609@u.washington.edu>

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Ok gays here is the configuration of mounts:

Centos:

/dev/VolGroup00/LogVol00 /                       ext3    defaults        1 1
LABEL=/boot             /boot                   ext3    defaults        1 2
none                    /dev/pts                devpts  gid=5,mode=620  0 0
none                    /dev/shm                tmpfs   defaults        0 0
none                    /proc                   proc    defaults        0 0
none                    /sys                    sysfs   defaults        0 0
/dev/VolGroup00/LogVol01 swap                    swap    defaults        0 0
192.168.0.254:/home/alumnos /home/alumnos        nfs     defaults        0 0

hdparm -tT /dev/sda

/dev/sda:
 Timing cached reads:   12260 MB in  2.00 seconds = 6130.93 MB/sec
 Timing buffered disk reads:  174 MB in  3.00 seconds =  57.95 MB/sec



FBSD 6.2:

/dev/ad0s1b             none            swap    sw              0       0
/dev/ad0s1a             /               ufs     rw              1       1
/dev/ad0s1e             /tmp            ufs     rw              2       2
/dev/ad0s1f             /usr            ufs     rw              2       2
/dev/ad0s1d             /var            ufs     rw              2       2
192.168.0.254:/home/profesores  /home/profesores nfs    rw      0       0
192.168.0.254:/home/alumnos     /home/alumnos   nfs     rw      0       0
/dev/acd0               /cdrom          cd9660  ro,noauto       0       0


diskinfo -t /dev/ad0

/dev/ad0
        512             # sectorsize
        164696555520    # mediasize in bytes (153G)
        321672960       # mediasize in sectors
        319120          # Cylinders according to firmware.
        16              # Heads according to firmware.
        63              # Sectors according to firmware.

Seek times:
        Full stroke:      250 iter in   5.309058 sec =   21.236 msec
        Half stroke:      250 iter in   3.716832 sec =   14.867 msec
        Quarter stroke:   500 iter in   6.108698 sec =   12.217 msec
        Short forward:    400 iter in   3.142779 sec =    7.857 msec
        Short backward:   400 iter in   2.694669 sec =    6.737 msec
        Seq outer:       2048 iter in   0.180814 sec =    0.088 msec
        Seq inner:       2048 iter in   0.203852 sec =    0.100 msec
Transfer rates:
        outside:       102400 kbytes in   1.707093 sec =    59985 kbytes/sec
        middle:        102400 kbytes in   1.873011 sec =    54671 kbytes/sec
        inside:        102400 kbytes in   3.016051 sec =    33952 kbytes/sec



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