Have not seen any such issues. Did you configure the drive in the “Store” menu and format it from there?
Yes, shure
also i try another flash drive, but did not work
rb751 (ROS 5.10, fw 2.37)
Hi all,
i had purchased the new RB750UP (equipped with USB port). After i have tested the USB port for connecting 3G modem Huawei K3765 (and works) i had decided to use and test the same port with an flash drive.
After configuration and format process the driver was seen by the system. The next step was to configure the ftp server to copy something on it. For that had used the ftp protocol to access and copy file on it.
The issue that i had discovered; after i had reboot the device, the directory ( folders as we know in windows) copied on it disappear.
What i mean ?
So using an ftp client i had copy and iso file on it, reboot the router the file still present.
Following the same steps but this time copy an entire directory (folders as we know in windows), after reboot the entire directory has disappeared.
So experts where is the issue if exist .
Best Regards,
Daniel
PS:
RB750UP with 5.11 on it ( updated on last version ) current firmware 2.37
Same issue, maybe it’s problem with 7xxU series…
What's new in 5.12 (2012-Jan-19 14:31):
*) implemented simple SMB (windows file sharing) server;
But I am unable to make it work. What is missing?
Thanks in advance!
[admin@Hugo] /store disk> print
Flags: S - system
NAME TOTAL-SPACE FREE-SPACE STATUS
0 S system 126976KiB 85464KiB ready
1 usb1 153837436KiB 153645364KiB ready
[admin@Hugo] /ip smb> print
enabled: yes
domain: fickk
comment: hugo
allow-guests: yes
interfaces: br LAN
[admin@Hugo] /ip smb shares> print
Flags: X - disabled, I - inactive, * - default
NAME DIRECTORY MAX-SESSIONS
0 * ;;; default share
pub /pub 10
1 HD /usb1 10
After ROS 5.12 i tried to use smb server on RB751U-2HnD but after a reboot - all my files are deleted 
Same problem was when I used flash drive as FTP server
(RB751U-2HnD with ROS 5.12, flash drive Kingston 8GB (tried and Transcend 16GB))
Hi all ,
anything new with this issue ? I upload also the beta version 6.0b2 and the behavior is the same.
Best Regards,
Daniel
It seems I have same issue. After reboot files are gone. My Disk is WD 500GB external hard drive.
You guys need to update to v5.15 and see what happens then. v6beta2 reports should go in the Beta forum, bugs are possible in v6
Unfortunately same with 5.15 and also with 6.0b2
alchemyx, thank you for the report. We will try to fix the problem at the next RouterOS version.
Unfortunately it is not resolved in 5.16. Problem persists.
What’s new in 5.17 (2012-May-28 12:34):
*) files - fixed problem when directories disappeared after reboot on usb or sd flash;
gone to test
hi im fairly new to this, so i was wondering what kind of parameters i have to adjust to be able to use external 200gb hdd in mikrotik 751 usb port? like which options to click. thanks in advance. i guess i also need to update from 5.16 to 5.20 to not get files deleted. is it resolved in the last version? tnx for the infos
First you need activate your storage
/store> add name=some_name disk=disk1 type=user-manager activate=yes
you also can select another options - http://wiki.mikrotik.com/wiki/Manual:Store
After format - is ready
make sure you don’t attach a drive with important data inside. RouterOS needs to format the drive before use.
thanks guys 
i got it to work (mostly) but i thing the transfer speeds are like 5-6 mb/s, which isnt too good
also, my media player can see the share, but cant connect to it. pc connects normally, but only when guest is allowed
did you set up SMB users? http://wiki.mikrotik.com/wiki/Manual:IP/SMB
yes, and i couldnt connect with those credentials when the login popped up. only when i had “allow guests” checked, could i connect.
Can I use user manager to store it’s database in an external HDD/Flash Drive connecting it with Micro usb port of RB2011 UAS-RM?
I am Planning to purchase Level6 license.
will the performance of the user manager will be good enough and be a best alternative for aptilo/inventum?
Any real time experience?
Please recommend..