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