Re: [ceph-users] Installing iSCSI support

Ok, i take your points. I'll do my best. Il 13/06/2018 10:14, Lenz Grimmer ha scritto: On 06/12/2018 07:14 PM, Max Cuttins wrote: it's a honor to me contribute to the main repo of ceph. We appreciate you support! Please take a look at http://docs.ceph.com/docs/master/start/documenting-ceph

Re: [ceph-users] Add a new iSCSI gateway would not update client multipath

would need to do something similar to what is documented here [1]. [1] http://docs.ceph.com/docs/master/rbd/iscsi-initiator-linux/ On Wed, Jun 13, 2018 at 5:11 AM, Max Cuttins wrote: I just realize there is a an error: multipath -r Jun 13 11:02:27 | rbd0: HDIO_GETGEO failed with 25 relo

Re: [ceph-users] Add a new iSCSI gateway would not update client multipath

)[0-9]*" } This solved the error, but. gateway still not updated. Il 13/06/2018 10:59, Max Cuttins ha scritto: Hi everybody, maybe I miss something but multipath is not adding new iscsi gateways. I have installed 2 gateway and test it on a client. Everything worked fine. After that I decided t

[ceph-users] Add a new iSCSI gateway would not update client multipath

Hi everybody, maybe I miss something but multipath is not adding new iscsi gateways. I have installed 2 gateway and test it on a client. Everything worked fine. After that I decided to complete install and create a 3rd gateway. But no one iscsi initiatior client update the number of gateways.

Re: [ceph-users] iSCSI rookies questions

librbd (rbd-nbd, ceph-client) workload on every xenserver dom-0 => better scaling: more xen servers -> better overall performance o utilize rbd cache (there is nothing comparable in XENServer 7.2 Community) o use the capabilities of ceph to create snapshots,

[ceph-users] iSCSI rookies questions

Hi everybody, i have a running iSCSI-ceph environment that connect to XenServer 7.2. I have some dubts and rookie questions about iSCSI. 1) Xen refused to connect to iSCSI gateway since I didn't turn up multipath on Xen. To me it's ok. But Is it right say that multipath is much more than just

Re: [ceph-users] Installing iSCSI support

Thank Jason, it's a honor to me contribute to the main repo of ceph. Just a throught, is it wise having DOCS within the software? Isn't better to move docs to a less sensite repo? Il 12/06/2018 17:02, Jason Dillaman ha scritto: On Tue, Jun 12, 2018 at 5:08 AM, Max Cuttins wrote: I have

Re: [ceph-users] Installing iSCSI support

/06/2018 16:07, Max Cuttins ha scritto: Thanks! I just saw it. I found all the packages with a deep search in the web. wget http://ftp.redhat.com/pub/redhat/linux/enterprise/7ComputeNode/en/RHCEPH/SRPMS/python-rtslib-2.1.fb64-0.1.20170301.git3637171.el7cp.src.rpm wget http

[ceph-users] GWCLI - very good job!

This is amazing tools. Just configured iSCSI multipath in likely 5 minuts. Kudos to all who develop this tools. It's just simple, clear and colorfull. Thanks, Max ___ ceph-users mailing list ceph-users@lists.ceph.com

Re: [ceph-users] Installing iSCSI support

:08 PM, Max Cuttins wrote: Really? :) So in this huge-big-mailing list have never installed iSCSI and get these errors before me. Wow sounds like I'm a pioneer here. The installation guide is getting wrong at very very very beginning. Even if it's expressly written to install on a centos7.5

Re: [ceph-users] Installing iSCSI support

this if really those packages are available somewhere. http://docs.ceph.com/docs/mimic/rbd/iscsi-target-cli-manual-install/ I'm confused. Any help will be appreciated. Thanks Il 10/06/2018 17:07, Max Cuttins ha scritto: Hi everybody, i'm following the documentation stepbystep. However try

Re: [ceph-users] Reinstall everything

me lvm zap --destroy’ on target machine would have removed lvm mapping. On Jun 10, 2018, 14:41 +0300, Max Cuttins , wrote: I solved by myself. I' writing here my findings to save some working hours to others. Sound strange that nobody knew this. The issue is that data is purged but LVM partition

[ceph-users] Installing iSCSI support

Hi everybody, i'm following the documentation stepbystep. However try to install tcmu-runner and other dependencies give me an error: yum install targetcli python-rtslib tcmu-runner ceph-iscsi-config ceph-iscsi-cli Package targetcli-2.1.fb46-4.el7_5.noarch already installed and latest

Re: [ceph-users] Reinstall everything

X Do it for all disks. Now you can run *ceph-deploy osd create* correctly without being prompted that disk is in use. Il 06/06/2018 19:41, Max Cuttins ha scritto: Hi everybody, I would like to start from zero. However last time I run the command to purge everything I got an issue. I ha

[ceph-users] ceph-deploy disk list return a python error

I'm running a new installation of MIMIC: #ceph-deploy disk list ceph01 [ceph01][DEBUG ] connection detected need for sudo [ceph01][DEBUG ] connected to host: ceph01 [ceph01][DEBUG ] detect platform information from remote host [ceph01][DEBUG ] detect machine type [ceph01][DEBUG ]

[ceph-users] Reinstall everything

Hi everybody, I would like to start from zero. However last time I run the command to purge everything I got an issue. I had a complete cleaned up system as expected, but disk was still OSD and the new installation refused to overwrite disk in use. The only way to make it work was manually

Re: [ceph-users] where is it possible download CentOS 7.5

Hi Jason, i really don't want to stress this much than I already did. But I need to have a clear answer. Il 28/03/2018 13:36, Jason Dillaman ha scritto: But I don't think that CentOS7.5 will use the kernel 4.16 ... so you are telling me that new feature will be backported to the kernel 3.* ?

Re: [ceph-users] where is it possible download CentOS 7.5

Il 27/03/2018 13:46, Brad Hubbard ha scritto: On Tue, Mar 27, 2018 at 9:12 PM, Max Cuttins <m...@phoenixweb.it <mailto:m...@phoenixweb.it>> wrote: Hi Brad,     that post was mine. I knew it quite well. That Post was about confirm the fact that minimum requirements

Re: [ceph-users] where is it possible download CentOS 7.5

by those who choose to use them). if you want the bleeding edge then rhel/centos should not be your platform of choice. On Tue, Mar 27, 2018 at 7:04 PM, Max Cuttins <m...@phoenixweb.it <mailto:m...@phoenixweb.it>> wrote: Thanks Jason, this is exactly what i read around

Re: [ceph-users] where is it possible download CentOS 7.5

released yet, but it should be released very soon. After it's released, it usually takes the CentOS team a little time to put together their matching release. I also suspect that Linux kernel 4.16 is going to be released in the next week or so as well. On Sat, Mar 24, 2018 at 7:36 AM, Max Cuttins &l

Re: [ceph-users] where is it possible download CentOS 7.5

i+download+centos+7.5=where+can+i+download+centos+7.5 -Original Message----- From: Max Cuttins [mailto:m...@phoenixweb.it] Sent: zaterdag 24 maart 2018 12:36 To: ceph-users@lists.ceph.com Subject: [ceph-users] where is it possible download CentOS 7.5 As stated in the documentation, in or

[ceph-users] where is it possible download CentOS 7.5

As stated in the documentation, in order to use iSCSI it's needed use CentOS7.5. Where can I download it? Thanks iSCSI Targets Traditionally, block-level access to a Ceph storage cluster has been limited to QEMU and |librbd|, which is a key enabler for adoption within OpenStack

[ceph-users] What about Petasan?

Hi everybody, does anybody have used Petasan? On the website it claim that use Ceph with ready-to-use iSCSI. Is it something that somebody have try already? Experience? Thought? Reviews? Dubts? Pro? Cons? Thanks for any thoughts. Max ___ ceph-users

Re: [ceph-users] Delete a Pool - how hard should be?

Il 06/03/2018 16:23, David Turner ha scritto: That said, I do like the idea of being able to disable buckets, rbds, pools, etc so that no client could access them. That is useful for much more than just data deletion and won't prevent people from deleting data prematurely. To me, if nobody

Re: [ceph-users] Delete a Pool - how hard should be?

Il 06/03/2018 16:15, David Turner ha scritto: I've never deleted a bucket, pool, etc at the request of a user that they then wanted back because I force them to go through a process to have their data deleted. They have to prove to me, and I have to agree, that they don't need it before I'll

Re: [ceph-users] Delete a Pool - how hard should be?

Il 06/03/2018 11:13, Ronny Aasen ha scritto: On 06. mars 2018 10:26, Max Cuttins wrote: Il 05/03/2018 20:17, Gregory Farnum ha scritto: You're not wrong, and indeed that's why I pushed back on the latest attempt to make deleting pools even more cumbersome. But having a "trash&quo

Re: [ceph-users] Delete a Pool - how hard should be?

Il 05/03/2018 20:17, Gregory Farnum ha scritto: You're not wrong, and indeed that's why I pushed back on the latest attempt to make deleting pools even more cumbersome. But having a "trash" concept is also pretty weird. If admins can override it to just immediately delete the data (if they

Re: [ceph-users] Delete a Pool - how hard should be?

What about using the at command: ceph osd pool rm --yes-i-really-really-mean-it | at now + 30 days Regards, Alex How do you know that this command is scheduled? How do you delete the scheduled command if is casted? This is weird. We need something within CEPH that make you see the

Re: [ceph-users] Cluster is empty but it still use 1Gb of data

perfect Il 02/03/2018 19:18, Igor Fedotov ha scritto: Yes, by default BlueStore reports 1Gb per OSD as used by BlueFS. On 3/2/2018 8:10 PM, Max Cuttins wrote: Umh Taking a look to your computation I think the ratio OSD/Overhead it's really about 1.1Gb per OSD. Because I have 9 NVMe

Re: [ceph-users] Cluster is empty but it still use 1Gb of data

up, 289 in data: pools: 0 pools, 0 pgs objects: 0 objects, 0 bytes usage: 323 GB used, 2324 TB / 2324 TB avail On Fri, Mar 2, 2018, 6:25 AM Max Cuttins <m...@phoenixweb.it <mailto:m...@phoenixweb.it>> wrote: How can I analyze this? Il 02/03/2018 12:18, Gonzalo Aguila

Re: [ceph-users] Ceph iSCSI is a prank?

Il 02/03/2018 13:27, Federico Lucifredi ha scritto: On Fri, Mar 2, 2018 at 4:29 AM, Max Cuttins <m...@phoenixweb.it <mailto:m...@phoenixweb.it>> wrote: Hi Federico, Hi Max, On Feb 28, 2018, at 10:06 AM, Max Cuttins <m...@phoenixw

Re: [ceph-users] Cluster is empty but it still use 1Gb of data

How can I analyze this? Il 02/03/2018 12:18, Gonzalo Aguilar Delgado ha scritto: Hi Max, No that's not normal. 9GB for an empty cluster. Maybe you reserved some space or you have other service that's taking the space. But It seems way to much for me. El 02/03/18 a las 12:09, Max Cuttins

Re: [ceph-users] Cluster is empty but it still use 1Gb of data

I don't care of get back those space. I just want to know if it's expected or not. Because I run several rados bench with the flag |--no-cleanup| And maybe I leaved something in the way. Il 02/03/2018 11:35, Janne Johansson ha scritto: 2018-03-02 11:21 GMT+01:00 Max Cuttins &l

[ceph-users] Cluster is empty but it still use 1Gb of data

Hi everybody, i deleted everything from the cluster after some test with RBD. Now I see that there something still in use:   data:     pools:   0 pools, 0 pgs     objects: 0 objects, 0 bytes     usage: *9510 MB used*, 8038 GB / 8048 GB avail     pgs: Is this the overhead of

Re: [ceph-users] Ceph iSCSI is a prank?

Hi Federico, Hi Max, On Feb 28, 2018, at 10:06 AM, Max Cuttins <m...@phoenixweb.it> wrote: This is true, but having something that just works in order to have minimum compatibility and start to dismiss old disk is something you should think about. You'll have ages in order to i

[ceph-users] Delete a Pool - how hard should be?

I think this is a good question for everybody: How hard should be delete a Pool? We ask to tell the pool twice. We ask to add "--yes-i-really-really-mean-it" We ask to add ability to mons to delete the pool (and remove this ability ASAP after). ... and then somebody of course ask us to

Re: [ceph-users] Cannot delete a pool

check to see if it took effect or not by asking the daemon what it's setting is `ceph daemon mon.ceph_node1 config get mon_allow_pool_delete`. On Thu, Mar 1, 2018 at 10:41 AM Max Cuttins <m...@phoenixweb.it <mailto:m...@phoenixweb.it>> wrote: I get: #ceph daemon mon.

Re: [ceph-users] Cannot delete a pool

ool. This works for me without restarting any services or changing config files. Regards Zitat von Ronny Aasen <ronny+ceph-us...@aasen.cx>: On 01. mars 2018 13:04, Max Cuttins wrote: I was testing IO and I created a bench pool. But if I tried to delete I get:    Error EPERM: pool dele

Re: [ceph-users] Ceph iSCSI is a prank?

to buy someone who could do the work for you. It's a long journey but it seems like it finally comes to an end. On 03/01/2018 01:26 PM, Max Cuttins wrote: It's obvious that Citrix in not anymore belivable. However, at least Ceph should have added iSCSI to it's platform during all these years. Ceph

Re: [ceph-users] Ceph iSCSI is a prank?

Il 28/02/2018 18:16, David Turner ha scritto: My thought is that in 4 years you could have migrated to a hypervisor that will have better performance into ceph than an added iSCSI layer. I won't deploy VMs for ceph on anything that won't allow librbd to work. Anything else is added complexity

Re: [ceph-users] Ceph iSCSI is a prank?

Xen by Citrix used to be a very good hypervisor. However they used very old kernel till the 7.1 The distribution doesn't allow you to add package from yum. So you need to hack it. I have helped to develop the installer of the not ufficial plugin: https://github.com/rposudnevskiy/RBDSR However

Re: [ceph-users] ceph-deploy won't install luminous (but Jewel instead)

42 92 http://www.criann.fr mailto:sebastien.vigne...@criann.fr support: supp...@criann.fr Le 1 mars 2018 à 00:37, Max Cuttins <m...@phoenixweb.it <mailto:m...@phoenixweb.it>> a écrit : Didn't check at time. I deployed everything from VM standalone. The VM was just build up with fresh new ce

[ceph-users] Cannot delete a pool

I was testing IO and I created a bench pool. But if I tried to delete I get: Error EPERM: pool deletion is disabled; you must first set the mon_allow_pool_delete config option to true before you can destroy a pool So I run: ceph tell mon.\* injectargs

Re: [ceph-users] ceph-deploy won't install luminous (but Jewel instead)

Didn't check at time. I deployed everything from VM standalone. The VM was just build up with fresh new centOS7.4 using minimal installation ISO1708. It's a completly new/fresh/empty system. Then I run: yum update -y yum install wget zip unzip vim pciutils -y yum install epel-release -y yum

Re: [ceph-users] Ceph iSCSI is a prank?

Il 28/02/2018 15:19, Jason Dillaman ha scritto: On Wed, Feb 28, 2018 at 7:53 AM, Massimiliano Cuttini wrote: I was building ceph in order to use with iSCSI. But I just see from the docs that need: CentOS 7.5 (which is not available yet, it's still at 7.4)

Re: [ceph-users] Ceph iSCSI is a prank?

Sorry for being rude Ross, I follow Ceph since 2014 waiting for iSCSI support in order to use it with Xen. When finally it seemds it was implemented the OS requirements are irrealistic. Seems a bad prank. 4 year waiting for this... and still not true support yet. Il 28/02/2018 14:11,