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mount problems (different device blocknames / double mounting )

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heliosone

Regular Contributor
Hi!

I have a problem with my AC56U router.
I have several drives on my router.
A ssd on the 3.0 port (2 partitions,optware on one) / and 2.0 hub on the other port,with several drives on it.
Every reboot the drives (on both ports) get different blocknames i.e. a drive was /dev/sda1 the day before,becomes /dev/sdb1 the other day.
As I use UUID in the fstab file,thats not a big problem,but there are days,when the router assigns 2 block names for one and the same device. (this only happens for devices on the 2.0 hub)
ie. drive1 has /dev/sda1 mounted on /mnt/drive1
has then also /dev/sdc1 mounted on /mnt/drive1

when I do a ls into /mnt/drive1 it shows up empty
df shows the correct free/space on the drive.
Yet to really use it,I have to umount/remount it,then its really mounted.
I tried to overcome this bug with a script,yet I wasnt successful doing this fully automated.There are still times when a drive is "ghostly" mounted with 2 /dev blocknames.

Also on some days a drive,or two are just not mounted at all. When doing a blkid,they are listed,also when doing a mount with UUID,they get mounted correctly...

This NEVERever happend in an old firmware (from 2 years ago),it only appeared when I updated my router to 380.65-0 a few months back.
On the old firmware the devices ALWAYS had the same blockname (drive1 was always i.e. /dev/sdc1)

Is there a way to assign persistent blocknames for devices (i.e. drive1 is ALWAYS /dev/sda1 .. and so on) / or a workaround possible for the double mounting ?
 
Assign all the partitions a distinctive label.
 
Sorry, my bad. What's the syslog saying when booting, it surely reports some errors.
 
Is it a powered Hub? The router PSU may not provide enough to power all devices attached to it.
 

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