Hi Holger, hi Markus, On 07/06/2016 02:47 PM, Markus Dellermann wrote: > Am Mittwoch, 6. Juli 2016, 14:31:48 CEST schrieb Alwin Antreich: >> Hi Markus, >> >> On 07/06/2016 02:06 PM, Markus Dellermann wrote: >>> Hi.. >>> >>> Am Mittwoch, 6. Juli 2016, 13:56:21 CEST schrieb Alwin Antreich: >>>> Hi, >>>> >>>> On 07/06/2016 09:33 AM, Eneko Lacunza wrote: >>>>> Hi, >>>>> >>>>> El 06/07/16 a las 09:26, Alwin Antreich escribió: >>>>>> On 07/06/2016 08:27 AM, Eneko Lacunza wrote: >>>>>>> Hi Alwin, >>>>>>> >>>>>>> In Proxmox Ceph client integration is done using librbd, not krbd. >>>>>>> Stripe parameters can't be defined from Proxmox GUI.>> >>>>>> >>>>>> If I understood correctly, this depends, if you add a ceph pool to >>>>>> proxmox with the KRBD option enabled or not. I know that these settings >>>>>> aren't done through the GUI, as you need to create the image with ceph >>>>>> tools manually.> >>>>> >>>>> Sorry, I didn't recall the "new" krbd checkbox in storage config, never >>>>> used that myself. Why are you using it? >>>> >>>> For LXC it's required, as this maps the rbd image, so it can be mounted >>>> by >>>> lxc. >>>> >>>>>>> Why are you changing striping parameters? >>>>>> >>>>>> We have some write intense tasks to perform and stripping can boost >>>>>> write >>>>>> performance. To test this I would like to add such a disk to a VM. >>>>> >>>>> I would do as follows: >>>>> - Create the VM rbd disk from GUI >>>>> - Then from CLI, remove rbd volume and recreate with the same name and >>>>> the >>>>> striping parameters you want. >>>> >>>> That's the way I went, but the disk isn't picked up and the only thing I >>>> see is the timeout. >>>> >>>>> Are you using SSDs for journals? >>>>> >>>>> >>>>> Cheers >>>> >>>> It is working now, but in the end, I found two different issues. The >>>> first >>>> one, had to do with the VM I was testing, once I tried the same setup >>>> with >>>> a different VM it gave me the second issue. Apparently there is a >>>> difference between mon_host address list formatting with comma or space >>>> between IPs. >>>> >>>> ==with KRBD== >>>> monhost 192.168.4.50,192.168.4.51,192.168.4.52 >>>> ==w/o KRBD== >>>> monhost 192.168.4.50 192.168.4.51 192.168.4.52 >>> >>> You should use semicolon >> >> But this gives me the error message, when I try to mount the image. I >> created a separate email on this to follow up. >> > > You have tried this: > monhost 192.168.4.50;192.168.4.51;192.168.4.52
Thanks for clarification. > > ? > >> Thanks. >> >>>> ==error message== >>>> kvm: -drive >>>> file=rbd:rbd2/vm-101-disk-1:mon_host=192.168.4.50,192.168.4.51,192.168.4. >>>> 52: >>>> id=admin:auth_supported=cephx:keyring=/etc/pve/priv/ceph/rbd2.keyring,if >>>> =non >>>> e,id=drive-virtio0,cache=writeback,discard=on,format=raw,aio=threads,det >>>> ect- zeroes=unmap: Block format 'raw' used by device 'drive-virtio0' >>>> doesn't support the option '192.168.4.51' >>>> >>>> Now, is this a ceph issue or proxmox? I will send a new email to follow >>>> up >>>> on this separately. Still, the GUI allows all of these notations and adds the storage (incl. content browsing). So then the Proxmox GUI should catch the wrong notation, shouldn't it? >>>> >>>> Cheers, >>>> Alwin >>> >>> Markus >>> >>>> _______________________________________________ >>>> pve-user mailing list >>>> [email protected] >>>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >>> >>> _______________________________________________ >>> pve-user mailing list >>> [email protected] >>> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user >> >> Cheers, >> Alwin >> _______________________________________________ >> pve-user mailing list >> [email protected] >> http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > > > _______________________________________________ > pve-user mailing list > [email protected] > http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > Cheers, Alwin _______________________________________________ pve-user mailing list [email protected] http://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
