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#1 2011-03-12 20:00:06

samfree
Member
Registered: 2011-03-12
Posts: 10

Funplug on Raid1

Hi - I'm hoping that one of the DNS323/linux gurus here can clarify something for for us newbies. 

In the funplug script, the variables are set to the path /mnt/HD_a2/ff, and if I understand correctly the RAID1 volume is /dev/md0.  If only reading, I would think it shouldn't make any difference which path is used, but if writing (and this path is used to install the tarball!) I would think that this would mess up the RAID volume.  Is my assumption correct?  Does the path /mnt/HD_a2/ffp need to be changed to /dev/md0/ffp?  If a change isn't needed can someone offer a simple explanation of why not? 

Thanks


[Code being referenced above]
#!/bin/sh

# switch to safe working directory on ramdisk
cd /

# write a log, in case sth goes wrong
FFP_LOG=/mnt/HD_a2/ffp.log
#FFP_LOG=/dev/null
exec >>$FFP_LOG 2>&1

# real path to ffp
FFP_PATH=/mnt/HD_a2/ffp

# where to search for the install tarball
FFP_TARBALL=/mnt/HD_a2/fun_plug.tgz

# setup script (used for ffp on USB disk)
FFP_SETUP_SCRIPT=/mnt/HD_a2/.bootstrap/setup.sh

# rc file path
FFP_RC=/ffp/etc/rc


echo "**** fun_plug script for DNS-323 (2008-08-11 tp@fonz.de) ****"
[snip]

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#2 2011-03-12 21:09:36

FunFiler
Member
Registered: 2010-05-23
Posts: 577

Re: Funplug on Raid1

No changes are needed. The /mnt/HD_a2 location works for Raid and non-Raid as that is where the device gets mounted.

From a Raid install
Filesystem                Size      Used  Available Use% Mounted on
rootfs                      9.7M      7.5M       1.6M  82%    /
/dev/root                9.7M      7.5M       1.6M  82%    /
/dev/loop0              5.6M      5.6M            0 100%   /sys/crfs
/dev/md0            915.9G   418.1G  497.8G   46%   /mnt/HD_a2
/dev/sda4           486.2M     29.0k  486.2M    0%    /mnt/HD_a4
/dev/sdb4           486.2M     21.0k  486.2M    0%    /mnt/HD_b4
/dev/sdc1                3.7G  485.3M     3.0G    14%   /mnt/usb


From a non-Raid install
Filesystem                Size        Used Available Use%    Mounted on
rootfs                      9.7M        7.5M       1.6M     82%    /
/dev/root                9.7M        7.5M        1.6M     82%    /
/dev/loop0              5.6M        5.6M            0     100%   /sys/crfs
/dev/sda2                1.3T    707.9G    666.5G     52%   /mnt/HD_a2
/dev/sdb2                1.3T    839.2G    535.2G     61%   /mnt/HD_b2
/dev/sda4           486.2M      10.3M    475.9M      2%   /mnt/HD_a4
/dev/sdb4           486.2M      10.3M    475.9M      2%   /mnt/HD_b4
/dev/sdc1                3.7G    374.1M        3.1G     10%  /mnt/usb

Last edited by FunFiler (2011-03-12 21:16:31)


3 * (DNS-323 with 2 * 2TB) = 12TB Running FW v1.08 & FFP v0.5
Useful Links: Transmission, Transmission Remote, Automatic

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#3 2011-03-13 05:20:11

samfree
Member
Registered: 2011-03-12
Posts: 10

Re: Funplug on Raid1

Thanks FunFiler that really helps!

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