On 02/22/2011 02:44 PM, Benjamin Franz wrote:
On 02/21/2011 02:23 PM, carlopmart wrote:
On 02/21/2011 11:10 PM, Benjamin Franz wrote:
I have /dev/shm set to 8g on one of my machines using 'size=8g'.
Can you show your fstab entry for tmpfs Bejamin??
tmpfs /dev/shm tmpfs size=8g 0 0
Note: This is on a CentOS5.5 machine. I haven't tried it on a RH6 machine.
Ok, and yes. Under centos 5 or rhel5 all works as expected (i have another rhel5
host and tmpfs works ok), but under rhel6 not. For example.
My fstab:
#
# /etc/fstab
# Created by anaconda on Sun Feb 20 14:33:14 2011
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=ea53b08b-1557-4e37-b88a-e3b672bcf569 / ext4 defaults
1 1
/dev/mapper/cryptvol-datavol /export/data ext4 defaults 1 2
/dev/mapper/luks-ac5ed44c-f316-4b3a-9b2d-c3c15228ce04 /export/home ext4
defaults 1 2
UUID=d16b644b-020f-4693-bc21-e5d9aa9b8e7b swap swap defaults
0 0
tmpfs /dev/shm tmpfs size=2g 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
Output of mount command:
[carlos@rhel6srv tmp]$ mount
/dev/sda1 on / type ext4 (rw)
proc on /proc type proc (rw)
sysfs on /sys type sysfs (rw)
devpts on /dev/pts type devpts (rw,gid=5,mode=620)
tmpfs on /dev/shm type tmpfs (rw,size=2g)
/dev/mapper/cryptvol-datavol on /export/data type ext4 (rw)
/dev/mapper/luks-ac5ed44c-f316-4b3a-9b2d-c3c15228ce04 on /export/home type ext4
(rw)
none on /proc/sys/fs/binfmt_misc type binfmt_misc (rw)
So far, everything is fine. But when I execute df command:
[carlos@rhel6srv tmp]$ df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 7.9G 2.7G 4.9G 36% /
tmpfs 1.5G 312K 1.5G 1% /dev/shm
/dev/mapper/cryptvol-datavol
63G 9.6G 51G 17% /export/data
/dev/mapper/luks-ac5ed44c-f316-4b3a-9b2d-c3c15228ce04
16G 3.7G 12G 25% /export/home
.. shows only 50% of memory for tmpfs. Weird, right??
--
CL Martinez
carlopmart {at} gmail {d0t} com
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