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post #4401 of 4450
Quote:
Originally Posted by twerk View Post

This industry loves buzzwords, "hyperconverged' seems to be flavour of the month at the moment.

That's another word i don't get and it hurts my head and no matter how much research i do, i can not find out what means, just more words i don't understand.
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post #4402 of 4450
Quote:
Originally Posted by cdoublejj View Post

also i keep hearing aobut this "ceph" so i looked it up and it's a "unified distributed storage", what the name of hell is "unified distributed storage" sounds like buzz words. can't they just say it's file system that incorporates multiple SANs and NASs? and that's just what i'm assuming it is.

Quote:
Originally Posted by cdoublejj View Post

Quote:
Originally Posted by twerk View Post

This industry loves buzzwords, "hyperconverged' seems to be flavour of the month at the moment.

That's another word i don't get and it hurts my head and no matter how much research i do, i can not find out what means, just more words i don't understand.

The reason they don't call it a file storage system is it can provide block and object storage as well as a file-system. Ceph is not and never was meant to be just a nas file system, it just is pretty good at it by accident.
post #4403 of 4450
I've got 2 seperate machines at the moment.

1x HTPC/Server running windows and 1x Freenas Machine for media Storage.

What would be the best way to merge the harddrives in my freenas, to a virtual machine running on the Windows HTPC?

I got a IT-flashed SAS card and freenas boots on some USB thumb drives.

Would it work with Hyper-V?


I.E. Putting my HTPC components into this case:
20171211143825-96b1a49b-me.jpg

And booting FreeNas on a VM, and still use my HTPC as a normal PC.
post #4404 of 4450
Quote:
Originally Posted by zdude View Post


The reason they don't call it a file storage system is it can provide block and object storage as well as a file-system. Ceph is not and never was meant to be just a nas file system, it just is pretty good at it by accident.

I don't what object level storage is but, block sure sounds like a reference to hard drive blocks, does it emulate a singular storage device such as a hard drive over multiple sans?
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post #4405 of 4450
Quote:
Originally Posted by cdoublejj View Post

Quote:
Originally Posted by zdude View Post


The reason they don't call it a file storage system is it can provide block and object storage as well as a file-system. Ceph is not and never was meant to be just a nas file system, it just is pretty good at it by accident.

I don't what object level storage is but, block sure sounds like a reference to hard drive blocks, does it emulate a singular storage device such as a hard drive over multiple sans?

Yes, block storage allows it to create virtual block devices which can be used either as an ISCSI boot/target or virtual machine drives (KVM supports this now). Object storage allows it to serve as a data base storage system. CephFS actually works using object storage on the backend with a database server (MDS) pointing the client to the correct files and presenting the file structure.



This is what my lsblk output looks like on my server. The rbd devices are block devices from the ceph cluster mounted on the system to provide boot disks for containers and virtual machines.
Edited by zdude - 12/18/17 at 6:20am
post #4406 of 4450
Quote:
Originally Posted by zdude View Post

Yes, block storage allows it to create virtual block devices which can be used either as an ISCSI boot/target or virtual machine drives (KVM supports this now). Object storage allows it to serve as a data base storage system. CephFS actually works using object storage on the backend with a database server (MDS) pointing the client to the correct files and presenting the file structure.



This is what my lsblk output looks like on my server. The rbd devices are block devices from the ceph cluster mounted on the system to provide boot disks for containers and virtual machines.

any DB or specific types of DBs?
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post #4407 of 4450
As a side note, I figure I will ask here. Has anyone figured out a way to run an ethereum node (geth or parity) that doesn't write obscene amounts of data to disk continuously? I am seeing ~2TB per day from geth AFTER it is caught up. Because of its huge disk I/O requirements it needs to be run on an SSD or it will not ever catch up to the rest of the network but over the course of a week and a half geth was able to use 1.2% of the lifetime writes on 3 1TB 850 EVOs....
post #4408 of 4450
Quote:
Originally Posted by cdoublejj View Post

Quote:
Originally Posted by zdude View Post

Yes, block storage allows it to create virtual block devices which can be used either as an ISCSI boot/target or virtual machine drives (KVM supports this now). Object storage allows it to serve as a data base storage system. CephFS actually works using object storage on the backend with a database server (MDS) pointing the client to the correct files and presenting the file structure.



This is what my lsblk output looks like on my server. The rbd devices are block devices from the ceph cluster mounted on the system to provide boot disks for containers and virtual machines.

any DB or specific types of DBs?

I am not entirely sure, I have only used object storage for CephFS, not anything else. I would expect the application needs to be coded specifically for that.
post #4409 of 4450
Finally got around to putting my storage server on the backbone. Had to significantly boost it's allotted RAM and CPU usage to get it to it's peak.



Far more appropriate for shared storage now. biggrin.gif
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post #4410 of 4450
Just got another payout from crypto mining, trying to decide what to buy with it. Whatever I am going to buy needs to be brought before the end of the year. Any cool <$500 addons for a server? I already have 128GB RAM, 2 12core xeons, SSD VM storage and 6 8TB HDDs. Right now I will probably just add a few more 8TB hard drives for data storage.
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