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Forum Discussion
Mount previously created raid via USB
Hi,
Please forgive me if this has already been covered, but I didn't find it.
I set up my Pro6 the other day with one 2TB disk and planned to add my other, smaller disks later. I didn't realize that Xraid2 requires that the smaller disks be the first disks in the volume. So, I offloaded almost 2TB worth of data onto the first disk. I inserted the first of my smaller disks, and the readynas displayed an error about the size of the disk being to small. I pulled the 2TB disk and did a factory reset with one of the small disks in bay 1. I have since recreated the raid with 4 disks (3x500, 1x1000).
Here's what I would like to do:
option A:
either plug the 2TB disk into the Readynas via USB and do a direct file copy from the 2TB to the internal volume;
or
option B:
plug the disk into the computer using ubuntu or knoppix, mount the 2TB, and push it over the network to the readynas.
My questions are:
is option A possible? I don't want it to erase the disk and create a new partition.
if option A isn't going to work, what is the best procedure for accomplishing option B?
Thanks in advance,
Brett
Please forgive me if this has already been covered, but I didn't find it.
I set up my Pro6 the other day with one 2TB disk and planned to add my other, smaller disks later. I didn't realize that Xraid2 requires that the smaller disks be the first disks in the volume. So, I offloaded almost 2TB worth of data onto the first disk. I inserted the first of my smaller disks, and the readynas displayed an error about the size of the disk being to small. I pulled the 2TB disk and did a factory reset with one of the small disks in bay 1. I have since recreated the raid with 4 disks (3x500, 1x1000).
Here's what I would like to do:
option A:
either plug the 2TB disk into the Readynas via USB and do a direct file copy from the 2TB to the internal volume;
or
option B:
plug the disk into the computer using ubuntu or knoppix, mount the 2TB, and push it over the network to the readynas.
My questions are:
is option A possible? I don't want it to erase the disk and create a new partition.
if option A isn't going to work, what is the best procedure for accomplishing option B?
Thanks in advance,
Brett
51 Replies
Replies have been turned off for this discussion
- oh man. thanks. it's getting late here.
now i see the edit... i'm starting to doubt myself... :wink: - it was successful.
root@ubuntu:/home/ubuntu# vgscan
Reading all physical volumes. This may take a while...
Found volume group "c" using metadata type lvm2
root@ubuntu:/home/ubuntu# vgrename /dev/c /dev/oldvol
Volume group "c" successfully renamed to "oldvol"
root@ubuntu:/home/ubuntu#
can i mount it to the readynas now? - Yes you should be able to use mdadm to stop the RAID
mdadm --stop --scan
then disconnect it, connect it to the NAS and mount it.
mdadm --assemble --scan
vgscan
vgchange -ay oldvol
mkdir -p /oldvol
mount /dev/oldvol/oldvol /oldvol
You can then use e.g. "cp" to copy the files across. - would you look at that...
everything is copying :D
I'll let you know how it goes in the morning!
Thank you for your help these past few days! - You're welcome!
Glad to be of help. - Wow! that was quite a project you helped me with. Thanks again.
All of the data from the first array has now been copied to the new array. The disk has been inserted into slot 5 and is rebuilding as I type. One of my HDs to go in the readynas has failed the SMART test, so thats a bummer, but it'll be fine for a while without the extra space. - Glad to hear!
Pity about that problem disk, but disks can and do fail at any time.
I do recommend you backup important data primarily stored on your ReadyNAS regularly. - I have a backup solution in place that I'll re-setup as soon as it finishes syncing.
There was something I was going to ask you right before I read your post... now that thought's gone... another day, i guess... - Oh!
To clean up what we did, I need to remove the /oldvol directory. How should I set the permissions inside /media? This morning I moved a folder into another via AFP and copy portion of the move failed due to permissions, but the original cut portion succeeded and deleted the folder. Should I chown it all to nobody and chmod it to 666? - You can reset ownership and permissions by going to Shares > Share Listing > Sharename > CIFS and then going to the Advanced Options tab, setting owner and group, set permissions for existing files and folders and clicking Apply.
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