The default placement policy is to separate replicas across hosts, and
you only have one host. You can create a new rule that replicas across
osds with 'ceph osd crush rule create-replicated ...' and switch your data
pool to that with 'ceph osd pool set crush_rule $pool $rulename'.
s
On Thu, 24 Oct 2019, Liu, Changcheng wrote:
> Hi all,
> I'm using ceph-deploy tool to deploy single node cluster based on
> Ceph master branch(head id: bf09a04d2). The PGs are inactive and undersized.
> -bash-4.2$ ceph -s
> cluster:
> id: 93e5ff9c-1dee-4bd8-9b0a-318b917dfd8c
> health: HEALTH_WARN
> Reduced data availability: 4 pgs inactive
> Degraded data redundancy: 4 pgs undersized
>
> services:
> mon: 1 daemons, quorum rdmarhel0 (age 30m)
> mgr: rdmarhel0(active, since 29m)
> osd: 3 osds: 3 up (since 25m), 3 in (since 25m)
>
> data:
> pools: 1 pools, 4 pgs
> objects: 0 objects, 0 B
> usage: 3.0 GiB used, 834 GiB / 837 GiB avail
> pgs: 100.000% pgs not active
> 4 undersized+peered
>
> -bash-4.2$
>
> Other info is attached.
>
> I apply below patch based on head-id:bf09a04d2. It's for Ceph/RDMA deployment.
> The above problem is hit whatever for RDMA-messenger deployment or Posix-TCP-messenger deployment.
> diff --git a/systemd/ceph-fuse@xxxxxxxxxxx b/systemd/ceph-fuse@xxxxxxxxxxx
> index d603042..ff2e907 100644
> --- a/systemd/ceph-fuse@xxxxxxxxxxx
> +++ b/systemd/ceph-fuse@xxxxxxxxxxx
> @@ -12,6 +12,7 @@ ExecStart=/usr/bin/ceph-fuse -f --cluster ${CLUSTER} %I
> LockPersonality=true
> MemoryDenyWriteExecute=true
> NoNewPrivileges=true
> +LimitMEMLOCK=infinity
> # ceph-fuse requires access to /dev fuse device
> PrivateDevices=no
> ProtectControlGroups=true
> diff --git a/systemd/ceph-mds@xxxxxxxxxxx b/systemd/ceph-mds@xxxxxxxxxxx
> index 39a2e63..0e58dfe 100644
> --- a/systemd/ceph-mds@xxxxxxxxxxx
> +++ b/systemd/ceph-mds@xxxxxxxxxxx
> @@ -14,7 +14,8 @@ ExecReload=/bin/kill -HUP $MAINPID
> LockPersonality=true
> MemoryDenyWriteExecute=true
> NoNewPrivileges=true
> -PrivateDevices=yes
> +LimitMEMLOCK=infinity
> +PrivateDevices=no
> ProtectControlGroups=true
> ProtectHome=true
> ProtectKernelModules=true
> diff --git a/systemd/ceph-mgr@xxxxxxxxxxx b/systemd/ceph-mgr@xxxxxxxxxxx
> index c98f637..682c7ec 100644
> --- a/systemd/ceph-mgr@xxxxxxxxxxx
> +++ b/systemd/ceph-mgr@xxxxxxxxxxx
> @@ -18,7 +18,8 @@ LockPersonality=true
> MemoryDenyWriteExecute=false
>
> NoNewPrivileges=true
> -PrivateDevices=yes
> +LimitMEMLOCK=infinity
> +PrivateDevices=no
> ProtectControlGroups=true
> ProtectHome=true
> ProtectKernelModules=true
> diff --git a/systemd/ceph-mon@xxxxxxxxxxx b/systemd/ceph-mon@xxxxxxxxxxx
> index c95fcab..51854fa 100644
> --- a/systemd/ceph-mon@xxxxxxxxxxx
> +++ b/systemd/ceph-mon@xxxxxxxxxxx
> @@ -21,7 +21,8 @@ LockPersonality=true
> MemoryDenyWriteExecute=true
> # Need NewPrivileges via `sudo smartctl`
> NoNewPrivileges=false
> -PrivateDevices=yes
> +LimitMEMLOCK=infinity
> +PrivateDevices=no
> ProtectControlGroups=true
> ProtectHome=true
> ProtectKernelModules=true
> diff --git a/systemd/ceph-osd@xxxxxxxxxxx b/systemd/ceph-osd@xxxxxxxxxxx
> index 1b5c9c8..06c20d7 100644
> --- a/systemd/ceph-osd@xxxxxxxxxxx
> +++ b/systemd/ceph-osd@xxxxxxxxxxx
> @@ -16,6 +16,8 @@ LockPersonality=true
> MemoryDenyWriteExecute=true
> # Need NewPrivileges via `sudo smartctl`
> NoNewPrivileges=false
> +LimitMEMLOCK=infinity
> +PrivateDevices=no
> ProtectControlGroups=true
> ProtectHome=true
> ProtectKernelModules=true
> diff --git a/systemd/ceph-radosgw@xxxxxxxxxxx b/systemd/ceph-radosgw@xxxxxxxxxxx
> index 7e3ddf6..fe1a6b9 100644
> --- a/systemd/ceph-radosgw@xxxxxxxxxxx
> +++ b/systemd/ceph-radosgw@xxxxxxxxxxx
> @@ -13,7 +13,8 @@ ExecStart=/usr/bin/radosgw -f --cluster ${CLUSTER} --name client.%i --setuser ce
> LockPersonality=true
> MemoryDenyWriteExecute=true
> NoNewPrivileges=true
> -PrivateDevices=yes
> +LimitMEMLOCK=infinity
> +PrivateDevices=no
> ProtectControlGroups=true
> ProtectHome=true
> ProtectKernelModules=true
> diff --git a/systemd/ceph-volume@.service b/systemd/ceph-volume@.service
> index c21002c..e2d1f67 100644
> --- a/systemd/ceph-volume@.service
> +++ b/systemd/ceph-volume@.service
> @@ -9,6 +9,7 @@ KillMode=none
> Environment=CEPH_VOLUME_TIMEOUT=10000
> ExecStart=/bin/sh -c 'timeout $CEPH_VOLUME_TIMEOUT /usr/sbin/ceph-volume-systemd %i'
> TimeoutSec=0
> +LimitMEMLOCK=infinity
>
> [Install]
> WantedBy=multi-user.target
> --
> 1.8.3.1
>
>
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