[Voyage-linux] RE: tmpfs mount

[Adrian Reyer]

On Tue, Aug 23, 2011 at 11:40:06AM -0700, D Woodard wrote:
> I have an issue in tmpfs which is slightly different.  I have added all the
> needed directories to voyage-util in /etc/default.  Now my issue is that
> tmpfs gets full.  I am using this box as dns,dhcp,ldap, and soon a samba

tmpfs size seems to be taken from /etc/default/tmpfs, in my system this
is the kernel default. You should be able to state a bigger size there.
It is limited by your RAM, though.

> server.  The ldap db seems to fill up the mount.  Can I allow more space for
> tmpfs?  How would I specify an external mount for some of these files?  I
> have added a 1G USB stick to be used for this, but not sure how to divide it
> up.

/etc/fstab is the place to mount it, if you have it attached all the
time.
I am told due to the wear leveling algorithms it might be a good idea to
only partition the part of the stick you actually need or at least leave
some space. However, smaller partitions means faster fsck in case of a
crash or a routine check.
I personally always do LVM and dedicate single logical volumes to single
jobs. e.g. a seperate one for the ldap to make sure it won't die due to
e.g. some forgotten log filling the disk. Might be a bit overkill with
as little as 1GB space to talk about.

Regards,
	Adrian
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