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It is not optiplex desktop. It is Poweredge R760 with 2 sockets of Xeon processors with 64GB ram. I have 3 such nodes. Can I use external usn storage hub for ceph?

I have 3 dell 760 servers with proxmox on it. If I attach a 4 port usb hub, and attach 1 250GB SSD and 3 2TB hd to it, can I configure it as ceph storage on proxmox? WHat is the downside to it? Assuming I connect it to usb 3.0 port.

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating I Have seagate 2 x 2TB 7200 rpm drives. Yes I am aware since I have no mirror, I can loose the entire pool if I loose one disk. One interesting finding. I have another storage on desktop, with 2 x 2TB WD Sata...

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating You mean on napp-it web interface? Yes, sync is set to standard. My zpool status shows zpool status pool: omnios state: ONLINE scan: none requested config: NAME STATE READ WRITE CKSUM...

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating Where and how do I make that change?

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating So what do you suggest I do to increase the speed ?

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating This is what mine looks like ./test.sh prox3ovz Creating 20MB file in chunks of 4k Time: 0:1 Creating 20MB file in chunks of 1M Time: 0:1 Creating 5000 files (20MB)of size 4k Time: 1:37 Creating 20 files (20Mb)...

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating Thanks, mir, for your reply. I will run the script and let you know.

Re: omnios napp-it nfs share second thoughts. KVM ok, openvz tooooooo slow (Creating Found a partial answer in dramatically speedup vzdump for openvz. All you do is edit the /etc/vzdump.conf file and enter this parameter. tmpdir: /tmp This will increase your vzdump speed for container...

After I created an NFS share on the pool (named omnios). In order to work with openvz storage Idid the following chmod 777 -R poolname/sharename example chmod 777 -R omnios/prox3ovz This gives recursive permission to all the subfolders under omnios pool Next I did the following zfs set...

Hi all, I have just configured omnios with napp-it on intel xeon, 16 gb ram, one 500 GB Sata whe OS is installed and 2 x 2TB Sata 7200 rpm drive. I configured the zfs pool with no mirroring or raidz, but just default setup. SO my effective capacity is 3.89TB. WHe I ran th dd benchmark on napp-it...

I am unable to create openvz container on NFS share. I read somewhere that no_root_squash parameter needs to be added on the NFS share on omnios napp-it. I cannot find the way to do it from napp-it web interface. Does it have to be done through terminal command? If yes, please let me know how...

Hi Raymond, Please do a video tutorial on this. This would be the only napp-it with proxmox setup video for proxmox till date.

Re: question about, Adding new proxmox host to cluster with fence device already setu Thanks Dietmar.

Hi Udo, Thanks for the update. I read about openattic. Looks very interesting. I will give it a try. Regards

That makes perfect sense. Thanks for your answers. Just as a side note. I was wondering out of curiosity, if this could be another option. openfiler supports XFS (NFS) shares. It also support snapshots. FInally it also supports clustering out of the box. I know the developement has stalled...

I have read somewhere in this forum that if ZFS reaches around 80% of it's capacity, the performance drops 10 x times slower due to fragmentation. Is this true?

Hi All, From what I have read on this forum, user mir is an expert on zfs and Wasim (Symcon) is an expert on ceph. According to mir, ZFS is faster than ceph, where as ceph provides clustering option and ZFS does not (Sure, ZFS clustering option can be procured but is costly). What would be an...

If we use an SSd for Journaling, then we get a Warning that ceph-disk:Osd will not be hot-swapable if the journal is not on the same device as the OSD data. So in other words, in order to replace a failed disk, one has to shutdown the proxmox/ceph node to replace the failed disk? I read...

Re: question about, Adding new proxmox host to cluster with fence device already setu Thanks Dietmar for you quick response. OK I will remove both the settings. However, the question still remains, do I have to add the fence configuration for the new node to be added before adding the new node...