not mounting RAID5 volume after crash

[xiaotuzi]

Hi,

I have a 421 Turbo NAS - with 4 x WD RED 3 TB disks.

I had a disk with a few errors on and tried to replace it this weekend. First I put the Raid in degraded mode and when it said that I could remove the disk I inserted a new disk. I thought it would start to rebuild the RAID but that did not happen. After 10 hours I rebooted the NAS a few times and suddenly it did not get any IP-adress via DHCP, after a reboot again it would only let me download quick.cgi when I entered the page.
By googling I found a way to manually upload the firmware again.

When I started again it recognized that there already was a raid on the server and I chose to keep the data. Then it could see that there was a raid but in File-explorer I cannot view the shared folders.

The raid has then rebuilt overnight but I am still not able to see the data on the raid. It is like it doesn't mount the raid.

What to do ?

[xiaotuzi]

Just an update:
I can access se data via terminal at: /share/MD0_DATA/
But when I try to mount I get a message that it is already mounted, but I don''t see the data in Filestation.

[MrVideo]

Log in as admin via ssh and enter the following command:

Code: Select all

ls -la /share/

Report back the results (please code wrap it). From there we'll see what the next step will be.

[xiaotuzi]

Thanks
These are the results

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[/share/MD0_DATA/Media/Movies] # ls -ls /share/
   0 lrwxrwxrwx    1 admin    administ        17 Feb  6 13:27 Download -> MD0_DA                                                              TA/Download/
   1 drwxrwxrwx    2 admin    administ      1024 Sep 19  2005 HDA_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDB_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDC_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDD_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDE_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDF_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDG_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDH_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDI_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDJ_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDK_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDL_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDM_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDN_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDO_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDP_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDQ_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDR_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDS_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDT_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDU_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDV_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDW_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDX_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDY_DATA/
   1 drwxrwxrwx    2 admin    administ      1024 Dec  7  2005 HDZ_DATA/
   4 drwxrwxrwx   29 admin    administ      4096 Feb  5 18:05 MD0_DATA/
   0 lrwxrwxrwx    1 admin    administ        19 Feb  6 13:27 Multimedia -> MD0_                                                              DATA/Multimedia/
   0 lrwxrwxrwx    1 admin    administ        15 Feb  6 13:27 Public -> MD0_DATA                                                              /Public/
   0 lrwxrwxrwx    1 admin    administ        12 Feb  6 13:27 Web -> MD0_DATA/We                                                              b/
   1 drwxrwxr-x   28 admin    administ      1024 Feb  6 13:28 external/
[/share/MD0_DATA/Media/Movies] #

[xiaotuzi]

And this is the view from the webinterface.



Currently it is rebuilding because i manually mounted sda3 but I also did that yesterday, and it did not help.

Could it be that the symlink is missing ?

[MrVideo]

The output looks good, so let's check the contents of Public:

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ls -la /share/Public/

You can do the same for Multimedia and Web.