Re: [ceph-users] Remotely tell an OSD to stop ?

2018-09-21 Thread Nicolas Huillard
Thanks! I was in the process of upgrading, so "noout" was already set, probably preventing setting "noin". I thus just "ceph osdset noup", then "ceph osd down ", which stopped activity on the disks (probably not enough to clean everything in Bluestore, but I decided to trust its inner working). I

Re: [ceph-users] Remotely tell an OSD to stop ?

2018-09-21 Thread Alexandru Cucu
Hi, You won't be able to stop them, but if the OSDs are still running I would just set them as out, wait for all data to be moved from them and then it should be safe to power off the host. --- Alex On Fri, Sep 21, 2018 at 11:50 AM Nicolas Huillard wrote: > > Hi all, > > One of my server

Re: [ceph-users] Remotely tell an OSD to stop ?

2018-09-21 Thread Patrick Nawracay
Hi, you'll need to set `noup` to prevent OSDs from being started automatically. The `noin` flags prevents that the cluster sets the OSD `in` again, after it has been set `out`.     `ceph osd set noup` before `ceph osd down `     `ceph osd set noin` before `ceph osd out ` Those global flags

[ceph-users] Remotely tell an OSD to stop ?

2018-09-21 Thread Nicolas Huillard
Hi all, One of my server crashed its root filesystem, ie. the currently open shell just says "command not found" for any basic command (ls, df, mount, dmesg, etc.) ACPI soft power-off won't work because it needs scripts on /... Before I reset the hardware, I'd like to cleanly stop the OSDs on