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OMV fix accidentally split mirror RAID
I had setup a mirrored RAID in OMV and then the PC hardware, not the disks I should emphasize, failed and I needed to move the system disk and two data disks to other hardware. Because I decided to test each disk separately this broke the mirror and in OMV I now saw: Work off… read more…
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Cannot mount block device : Error mounting CentOS share on OMV
I needed to have a scheduled job to copy files from my MythTV server to my Open Media Vault server, but when I tried to mount the Samba/SMB share I got the following: root@nas2:/mnt# mount -t cifs \\\\192.168.202.44\\public /mnt/192.168.202.44 -o domain=CANTABRIAN,user=backup,pass=mypassword mount: block device \\192.168.202.44\public is write-protected, mounting read-only mount: cannot mount block device \\192.168.202.44\public… read more…
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Replacing a system disk in Open Media Vault
Fortunately Open Media Vault, OMV, emails warnings when disks are failing. This is also true for the system disk. I have been getting warnings my old system disk is failing and this is what I did to fix it. First shutdown the PC and disconnect the RAID disks – just to ensure you don’t do… read more…
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DNS problems, email notifications not being sent
I had a working Open Media Vault system with notifications going out and then it stopped. OMV runs on Debian. In the log I started seeing: The actual error was: postfix/error[1443]: 1D96741676: to=<joe.blogs@domain.com>, relay=none, delay=175894, delays=175853/41/0/0.24, dsn=4.4.3, status=deferred (delivery temporarily suspended: Host or domain name not found. Name service error for name=send.xtra.co.nz type=MX: Host not… read more…
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Enabling SSH access to Debian live USB
This is just a short post describing how you can USB boot from a Debian Live USB key and from this enable SSH access to the box. I do this often and it can be quite handy. First create the USB key using the instructions in the post Create a Debian Live USB flash drive.… read more…
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Create a single mirror disk for a RAID1 array
I have a problem, I have a 3TB drive which has all my data on it but I need to move to a new RAID solution using Open Media Vault, OMV. I want to set up a mirrored, RAID1, 3TB array so will need two 3TB drives. I plan to use my current 3TB drive… read more…
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Installing Open Media Vault
OMV doesn’t have a backup function which is a problem. Given it is relatively straight forward to setup OMV one option is to simply set it up again. I really don’t want to do that so the only other comprehensive option is to backup the system disk. The problem is that there isn’t any free,… read more…
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Wipe a RAID disk
If for some reason you have a disk which used to be in a software RAID and you need to add it back into OMV then OMV will still recognize it as a RAID disk, even if you have reformatted it. In my case I had a disk that was removed from the array for… read more…
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Create a Debian Live USB flash drive
There are many sites that describe how to do this, but some techniques just didn’t work for me and many required you to do it from Linux which also doesn’t work for me. This is what worked for me on Windows 10. 1. Insert you key into your Windows PC 2. Though this may not… read more…
Debian
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