Disk 1 Partition 1
Akinlolu Bellotti
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1. Install omv - sda1 = root partition, sda2 - extended and sda5 -swap.
2. Install omv-extras - LVM, Flash Memory + activate Flash Memory plugin per the instructions to minimize disk IO by the OS
3. Booted with GParted Live cd and downsized the root partition sda1 to 15 GB.
4. Booted OMV and used parted to create a new partition sda3 in the free space between sda1 (root partition) and sda2 (extended partition holding the swap filesystem).
5. Used CLI command "pvcreate /dev/sda3" to create a physical volume for use with LVM (unable to do this from OMV web interface).
6. The new LVM physical volume becomes visible in OMV web interface and I was then able to use the web GUI to create a volume group and logical volumes - shares, iSCSI LUNs etc.
can you please explain step by step.
my omv is installed in easystore h340 with 4 1 terrabytes hdd.
in the first hdd is the os, i like split the hdd, in various partion, 1 for os, 1 for swap, and te remain to use with the others 3 hdd, like one big hdd...no raid mount but i cant understanding how can do it
ok
Thanks for your response.
now my question is, i can us an usb key with 8gb to install omv os?
so i have after the os on usb key and the 4 hdd only for storage.....
other question is, the aspire easystore h340 have on motherboard an smi usb flash integratet, but have only 254,00mb, is to small for install omv os?
Corrected on Aug. 22. 2012
--Today
Thanks a seidler2547. Efectivily is posible to use sda3 partition on OMV only formating it.
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We start from an OMV system running and installed on a hard drive that it could be /dev/sda and we want to use part of it as a aditional data storage unit for the system.
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You make valid points but I did not want to invest extra money in a new smaller SSD. Especially since I didn't know how good OMV would turn out to be and how good the community is. The smallest drive I had on hand was a 250GB drive and currently only about 2GB is really in use. The Post I referenced suggested 8GB for size but to delay running out of room I chose to set the size to 20GB. This allows me to reclaim about 200GB which would otherwise have never been used.
You're right about what you lose if you have to reinstall. Yes I have reinstalled several times but I plan to never have to do that again. LOL So far it is working for me just as well as my plan to live forever.... seems to be working so far.
On a more serious note ... I would urge anyone planning to use a larger than needed drive and wanting to reclaim some of the space, only put stuff on the newly created partition that you would not mind losing. Something that is easy to recreate and can be backed up in another location. I would not feel bad about devoting a 32GB drive as a system drive but it hurt to use a 250GB drive
My thought is to install Virtual Box plugin and use /dev/sda3 for the virtual machines. I plan to copy those virtual machines to another location and then if I have to reinstall Virtual Box in the future I would use the backups to speed up the installation. Also do not use the partition for anything that has frequent writes ... if you are using a SSD.
As I write this I am planning to buy a small SSD when I can afford it and to see if it is possible to remove the large drive I am using. I would substitute the new small drive and attempt to restore to it from the backups I am saving which are created using the backup plugin I installed and am saving to a data drive that is not part of the Grey Hole drive pool. Do you have any thoughts on that idea?
Thanks for the input and the reason "to think out loud" as I replied ... the more I think about it the more I realize I don't want to even have to hassle with recreating the virtual machines. Next task if to price a small SSD.
I would say OMV is the best open-source NAS right now, and the community is awesome.
I being using OMV more than a year.
It running on my built computer.
I did tried FreeNAS, but it didn't work out, so I chose OMV.
First, I totally agree w/ the above. I'd rather not use the OS disk to store data, if it can be avoided, simply because if the OS disk fails, you're going to lose the OS and data. Personally, even when I ran my NAS with other OS's... I always did it this way and never had a problem.
Not sure where you are, but here in the US... you can get 60-120gig 2.5in SATA drives on new on eBay all day long for around $30 bucks. This is what I done before I got my SSD, and frankly, if my SSD dies, I'll probably do it again (but that's another thread..)
Finally, unless you really *need* the space on the OS drive, I wouldn't consider it wasted space. When I had my old OS drive for 3-4yrs before it finally croaked, it was a 120gig drive... the OS took up around 3gigs IIRC. Considering I had about 4tb of storage... worrying about what to do with around 100gigs, seemed pointless. If I was pushing my storage needs that hard, I'd just buy bigger storage drives, rather than worry about that 100gigs on the OS drive (which is what I ultimately done when I needed more storage)... Just seemed like it was more hassle than it was worth
Totally agree with you.
except I would say OMV is the best base host system, not just NAS.
I have been searching long time for the easy to use and maintain HOST system that can be a File server/NAS AND VM host. plenty of thing out there that can do that but most of them are either complicated beyond reason and/or not very easy to run and maintain.
so far I been running my OMV host for almost 3 weeks and love every moment of it.
most things I want are easy to setup and use, whole system is a breeze to get going, (grunted if you want things that are not a straight forward to setup you need to be prepared for some hands on work but still not as complicated as many other setups ) ,
and it works. nice and easy.
I want to keep my mind active and continue learning and a friend in similar situation pointed me to OMV. Linux is new to me but it reminds me of what I used to have to do with DOS back in the Windows 3 and Windows 95 days. I got spoiled by how much the registry does in the post Windows 95 versions. Linux is more hands on than Windows which is made for people who probably should not be allowed to have a computer.
Yes I impressed with the plugins and what can be done with OMV. I have been running a Windows 2012 Standard file server and a Windows 2012RS Essential server which is the Domain controller and hosts VMs. I had a spare server case with 8 drive bays and was looking to back up some of my most important data in another location in case of a total failure of the current location. Yes there is duplication but I have seen too many catastrophic failures over the years to not be concerned. Plus OMV does seem to be just as capable in a lot of ways to do what I use my Essentials server for. The good news is that from the efforts of the developer, those who work on the plugins, anyone who contributes and the community in general OMV works and the price cannot be beat.
With regards to why I am interested in not wasting space on the system drive ... my first PC had a 120MB .... note Mega-byte hard drive and Windows 95 plus installed applications over filled it to the point I had to uninstall things in order to be able to install something else. Old space utilization training is hard to forget.
You can use OMV with just a system drive and not adding an extra partition. This post shows you how to have a folder on the system drive and make it available on one of your data drives as a shared folder. You could just use a cheap usb stick as the data drive. In this example the stick would not really be used. The symlinks would redirect to the folder on the system drive.
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