Unfortunately no one can be told what fun_plug is - you have to see it for yourself.
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Hi Forum,
Last week i decided do buy a second Hard Disk for my DNS-323. So i powerd down the unit und attached the new disk in the right slot. Before I backuped my data to a local pc. After powering up the unit, i went to WebGUI, where the unit told me a new drive was detectet. So i formatet the two drives as a RAID 1. There were the first wonder: I uses exactly the same two Disk from Hitachi, both 160 GB from the same Model. The Unit told me, it is only possible to make a 150 GB RAID 1 mirroring. The rest will be formated as a JBOD drive with 5 GB. Why ist it not possible to make exactly the full mirror? But this is not the main problem. After formating and powerup again. I copied all my data back to Volume_1 the RAID 1 drive. No problems at this day. After powering up the unit on the next day, i was wondering no pc in my network was turned on, but the NAS accessed the Drives. After more than twelve hours, the unit doesn't stopped accessing the drives - i powerd down it, because i want to sleep.
After wake up the next day, i powerd up the device. it takes the same way as the day before, no pc access the NAS, but the drives where accessed parmanently. The Drive-LED at the front of the device are flashing in a wonderfull way, on a RAID 1 volume i assume that the both leds had to flash together. OK in 60% of the time it is so, but in 40% of the time only one ( sometimes the right, sometimes the left) flash. What does my NAS?
Some add. Infos: I use firmware: 1.04
Thanks for replays.
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Strange behavior with:
firmware 1.04
Raid-1 with 2 x 750GB WD
I removed my 750GB raid-1 drive pair and installed a single 500GB and formatted as a single drive (I was testing some other stuff). When I re-inserted my 750GB raid-1 drives I got this additional Volume_2 plus a Volume_1-1. I didn't know what the Volume_2 was about so I would remove it from the list at the bottom of Advanced tab -> Network Access. It came back every time I rebooted the box.
Today I realized that instead of recognizing my array the DNS-323 now thought that I had two individual 750GB hard drives! I remember with bios 1.03 it would tell me if I had the raid set drives installed in the wrong slots etc. I assumed it would detect that the drives inserted belong to a raid or warn me, not automatically assume they are individual drives.
I had backed up my settings from the DNS-323 before removing the 750GB drives so I'm going to reload those settings to see if the raid comes back.
I had hoped to use multiple drive sets with this box. I never tried this exact same switch with 1.03, looks like you can't mix raid and non-raid HD sets. Hmmm... what options seem available:
1. Use Raid-1 drive pairs exclusively
2. Backup and restore settings every time I swap drive pairs to be safe
3. Use single drives exclusively and either manually rsync or used the recently posted method "Tutorial: Backup Everything from Vol A to Vol B once a night" if I want redundancy.
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This box was never designed for replacing drive sets. Only time you should replace a drive if you are upgrading to new disks or replacing broken disks.
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The whole POINT of this forum is to HACK the DNS-323 to get it to do stuff it wasn't designed to do.
I'm using firmware 1.04 and have 3 drive sets that I swap every once in a while. All are Western Digital drives.
1 pair 750GB
2 pairs 320GB
I have physically marked the drives to identify which set they belong to and if they go in the left or right slot.
All have the same Raid-1 configuration.
So far no data loss, but I don't recommend doing this unless you aren't worried about data loss. I did have some misadventures but was able to suck off the data from the DNS-323 to another machine and reconfigure the drives.
In one case my DNS-323 was trying to rebuild the raid array and sat there chugging for hours on end. You can get the status info off the web interface.
During my experiments some of the drives got so weirdly configured that I had to put the drives into another computer and blank out all partition information, format for Windows (FAT or NTFS), wipe that out then put it back into the DNS-323.
WARNING: USE MULTIPLE DRIVE SETS AT YOUR OWN RISK!!
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Or know what you are doing. The reason you are having configuration problem when swapping out drive is because the copies of the configuration which are stored on the hard drives does not match what is stored in the flash on /dev/mtdblock0 and /dev/mtdblock1. Things like the raid configuration, size and the physical serial numbers of the drives are stored specifically so the DNS knows when a drive is replaced. If you want to swap drives, you have to update the files at the same time. When that is done, everything works fine.
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