[ceph-users] Re: [Suspicious newsletter] RBD clone on Bluestore

2021-03-01 Thread Szabo, Istvan (Agoda)
I might be wrong but the object size is 4M in ceph so this might be the case also. But yeah, on the lower level of data storing I'm not familiar. Istvan Szabo Senior Infrastructure Engineer --- Agoda Services Co., Ltd. e: istvan.sz...@agoda.com

[ceph-users] Need Clarification on Maintenance Shutdown Procedure

2021-03-01 Thread Dave Hall
Hello, I've had a look at the instructions for clean shutdown given at https://ceph.io/planet/how-to-do-a-ceph-cluster-maintenance-shutdown/, but I'm not clear about some things on the steps about shutting down the various Ceph components. For my current 3-node cluster I have MONs, MDSs, MGRs, an

[ceph-users] Best practices for OSD on bcache

2021-03-01 Thread Andreas John
Hallo, do you expect that to be better (faster), than having the OSD's Journal on a different disk (ssd, nvme) ? rgds, derjohn On 01.03.21 05:37, Norman.Kern wrote: > Hi, guys > > I am testing ceph on bcache devices,  I found the performance is not good as > expected. Does anyone have any be

[ceph-users] Re: RBD clone on Bluestore

2021-03-01 Thread Jason Dillaman
On Mon, Mar 1, 2021 at 3:07 PM Pawel S wrote: > > Hello Jason! > > On Mon, Mar 1, 2021, 19:48 Jason Dillaman wrote: > > > On Mon, Mar 1, 2021 at 1:35 PM Pawel S wrote: > > > > > > hello! > > > > > > I'm trying to understand how Bluestore cooperates with RBD image clones, > > so > > > my test is

[ceph-users] Re: RBD clone on Bluestore

2021-03-01 Thread Pawel S
Hello Jason! On Mon, Mar 1, 2021, 19:48 Jason Dillaman wrote: > On Mon, Mar 1, 2021 at 1:35 PM Pawel S wrote: > > > > hello! > > > > I'm trying to understand how Bluestore cooperates with RBD image clones, > so > > my test is simple > > > > 1. create an image (2G) and fill with data > > 2. crea

[ceph-users] Re: Ceph iscsi help

2021-03-01 Thread Salsa
I noticed you're trying to connect to an IPv4, but the listening port is on a IPv6. Is that right? You should have a IPv4 listening, right? Also, did you check selinux or firewalld? Maybe you need to allow this 5000 port. -- Salsa Sent with ProtonMail Secure Email. ‐‐‐ Original Message ‐‐

[ceph-users] Re: RBD clone on Bluestore

2021-03-01 Thread Jason Dillaman
On Mon, Mar 1, 2021 at 1:35 PM Pawel S wrote: > > hello! > > I'm trying to understand how Bluestore cooperates with RBD image clones, so > my test is simple > > 1. create an image (2G) and fill with data > 2. create a snapshot > 3. protect it > 4. create a clone of the image > 5. write a small por

[ceph-users] RBD clone on Bluestore

2021-03-01 Thread Pawel S
hello! I'm trying to understand how Bluestore cooperates with RBD image clones, so my test is simple 1. create an image (2G) and fill with data 2. create a snapshot 3. protect it 4. create a clone of the image 5. write a small portion of data (4K) to clone 6. check how it changed and if just 4K a

[ceph-users] Re: Ceph iscsi help

2021-03-01 Thread Jason Dillaman
Verify you have correct values for "trusted_ip_list" [1]. [1] https://github.com/ceph/ceph-iscsi/blob/master/iscsi-gateway.cfg_sample#L29 On Mon, Mar 1, 2021 at 9:45 AM Várkonyi János wrote: > > Hi All, > > I2d like to install a Ceph Nautilus on Ubuntu 18.04 LTS and give the storage > to 2 win

[ceph-users] Ceph iscsi help

2021-03-01 Thread Várkonyi János
Hi All, I2d like to install a Ceph Nautilus on Ubuntu 18.04 LTS and give the storage to 2 windows server via ISCSI. I choose the Nautilus because of the deploy function I don't want to another VM to cephadm. So I can isntall the ceph and it is working properly but can't setup the icsi gateway.

[ceph-users] Re: 15.2.8 mgr keep crashing every few days

2021-03-01 Thread Welby McRoberts
The release notes do have it, however it's under different PR & issue numbers, as it's backported into octopus: mgr/ActivePyModules.cc: always release GIL before attempting to acquire a lock (pr#38801, Cory Snyder) [https://github.com/ceph/ceph/pull/38801, https://tracker.ceph.com/issues/48714]

[ceph-users] Re: 15.2.8 mgr keep crashing every few days

2021-03-01 Thread Sebastian Luna Valero
Hi, Thanks for confirm that this issue no longer appears in 15.2.9, David. I had a look https://ceph.io/releases/v15-2-9-Octopus-released/ but I couldn't find any reference to neither https://tracker.ceph.com/issues/39264 nor https://github.com/ceph/ceph/pull/38677 confirming it. On the other ha

[ceph-users] Re: Best practices for OSD on bcache

2021-03-01 Thread Matthias Ferdinand
On Mon, Mar 01, 2021 at 12:37:38PM +0800, Norman.Kern wrote: > Hi, guys > > I am testing ceph on bcache devices,  I found the performance is not > good as expected. Does anyone have any best practices for it?  Thanks. Hi, sorry to say, but since use cases and workloads differ so much, there is n