Hi,

I I am trying to install postgresql on my openwrt/extroot device, by
proceeding according to the following tutorial:
http://eko.one.pl/?p=openwrt-pgsql (thanks you google translate ;-) ).
However when initializing the required files on disks, postgresql
aborts with ENOSPACE.

When creating files in /var/postgresql dd only writes a few mb and
aborts - also it seems the changes are held only in RAM.

root@OpenWrt:/var/postgresql/data# dd if=/dev/zero of=testfile bs=100k
dd: writing 'testfile': No space left on device
148+0 records in
146+1 records out

whereas when executing the same command in /root it consumes all the
free space left on the usb pen drive.

df output seems plausible, although I don't understand how both
/rootfs as well as /dev/sda1 can be mounted to /:
Filesystem           1K-blocks      Used Available Use% Mounted on
rootfs                  867544     43156    780312   5% /
/dev/root                 1536      1536         0 100% /rom
tmpfs                    14720        60     14660   0% /tmp
tmpfs                      512         0       512   0% /dev
/dev/sda1               867544     43156    780312   5% /

mount output looks like this:
rootfs on / type rootfs (rw)
/dev/root on /rom type squashfs (ro,relatime)
proc on /proc type proc (rw,noatime)
sysfs on /sys type sysfs (rw,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime,size=14720k)
tmpfs on /dev type tmpfs (rw,noatime,size=512k,mode=755)
devpts on /dev/pts type devpts (rw,noatime,mode=600)
/dev/sda1 on / type ext4 (rw,sync,relatime,user_xattr,barrier=1,data=ordered)
debugfs on /sys/kernel/debug type debugfs (rw,relatime)
none on /proc/bus/usb type usbfs (rw,relatime)


Any ideas whats going wrong here?

Thank you in advance, Clemens
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