[ceph-users] Re: Do you need to use a dedicated server for the MON service?

2024-08-26 Thread Peter Sabaini
On 8/23/24 10:58, Phong Tran Thanh wrote: > Hi Ceph users > > I am designing a CEPH system with 6 servers running full NVMe. Do I need to > use 3 separate servers to run the MON services that communicate with > OpenStack, or should I integrate the MON services into the OSD servers? > What is the r

[ceph-users] Re: Performance impact of Heterogeneous environment

2024-01-17 Thread Peter Sabaini
On 17.01.24 11:13, Tino Todino wrote: > Hi folks. > > I had a quick search but found nothing concrete on this so thought I would > ask. > > We currently have a 4 host CEPH cluster with an NVMe pool (1 OSD per host) > and an HDD Pool (1 OSD per host). Both OSD's use a separate NVMe for DB/WAL.

[ceph-users] cephx client key rotation

2024-01-24 Thread Peter Sabaini
Hi, this question has come up once in the past[0] afaict, but it was kind of inconclusive so I'm taking the liberty of bringing it up again. I'm looking into implementing a key rotation scheme for Ceph client keys. As it potentially takes some non-zero amount of time to update key material ther

[ceph-users] Re: concept of ceph and 2 datacenters

2024-02-14 Thread Peter Sabaini
On 14.02.24 06:59, Vladimir Sigunov wrote: > Hi Ronny, > This is a good starting point for your design. > https://docs.ceph.com/en/latest/rados/operations/stretch-mode/ > > My personal experience says that 2 DC Ceph deployment could suffer from a > 'split brain' situation. If you have any chance

[ceph-users] Ceph Squid release / release candidate timeline?

2024-05-17 Thread Peter Sabaini
Hi, is there a ballpark timeline for a Squid release candidate / release? I'm aware of this pad that tracks blockers, is that still accurate or should I be looking at another resource? https://pad.ceph.com/p/squid-upgrade-failures Thanks! peter. ___

[ceph-users] Re: Ceph performance optimization with SSDs

2021-10-22 Thread Peter Sabaini
On 22.10.21 11:29, Mevludin Blazevic wrote: > Dear Ceph users, > > I have a small Ceph cluster where each host consist of a small amount of SSDs > and a larger number of HDDs. Is there a way to use the SSDs as performance > optimization such as putting OSD Journals to the SSDs and/or using SSDs

[ceph-users] Re: 2025-Q3: Stable release recommendation for production clusters

2025-07-10 Thread Peter Sabaini
On 2025-07-09 23:12, Özkan Göksu wrote: > Hello Burkhard. > > Yes you are right indeed. > > Currently I'm using an Archlinux based custom development OS Nautilus. > For reef, I have to develop a new custom OS from scratch and revisit all of > my dependencies. > I had too many issues on my cust