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Description of problem: ceph-deploy prepare command has an error: "partx: /dev/sdb: error adding partitions 1-2" which is flagged as a WARNING. See ceph health warnings. The OSD's are up though. #ceph health HEALTH_WARN 64 pgs degraded; 64 pgs stuck degraded; 64 pgs stuck unclean; 64 pgs stuck undersized; 64 pgs undersized Error snippet: [magna075][WARNIN] INFO:ceph-disk:calling partx on prepared device /dev/sdb [magna075][WARNIN] INFO:ceph-disk:re-reading known partitions will display errors [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/partx -a /dev/sdb [magna075][WARNIN] partx: /dev/sdb: error adding partitions 1-2 # ceph-deploy osd prepare magna075:/dev/sdb [magna075][INFO ] Running command: ceph-disk -v prepare --fs-type xfs --cluster ceph -- /dev/sdb [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-osd --cluster=ceph --show-config-value=fsid [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_mkfs_options_xfs [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_fs_mkfs_options_xfs [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_mount_options_xfs [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_fs_mount_options_xfs [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-osd --cluster=ceph --show-config-value=osd_journal_size [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_cryptsetup_parameters [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_dmcrypt_key_size [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-conf --cluster=ceph --name=osd. --lookup osd_dmcrypt_type [magna075][WARNIN] INFO:ceph-disk:Will colocate journal with data on /dev/sdb [magna075][WARNIN] DEBUG:ceph-disk:Creating journal partition num 2 size 5120 on /dev/sdb [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/sgdisk --new=2:0:5120M --change-name=2:ceph journal --partition-guid=2:d1a8fd80-ddb4-4673-b5dd-7d3763a44994 --typecode=2:45b0969e-9b03-4f30-b4c6-b4b80ceff106 --mbrtogpt -- /dev/sdb [magna075][DEBUG ] The operation has completed successfully. [magna075][WARNIN] INFO:ceph-disk:calling partx on prepared device /dev/sdb [magna075][WARNIN] INFO:ceph-disk:re-reading known partitions will display errors [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/partx -a /dev/sdb [magna075][WARNIN] partx: /dev/sdb: error adding partition 2 [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/udevadm settle [magna075][WARNIN] DEBUG:ceph-disk:Journal is GPT partition /dev/disk/by-partuuid/d1a8fd80-ddb4-4673-b5dd-7d3763a44994 [magna075][WARNIN] DEBUG:ceph-disk:Journal is GPT partition /dev/disk/by-partuuid/d1a8fd80-ddb4-4673-b5dd-7d3763a44994 [magna075][WARNIN] DEBUG:ceph-disk:Creating osd partition on /dev/sdb [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/sgdisk --largest-new=1 --change-name=1:ceph data --partition-guid=1:0669b7f9-a33e-4689-928b-33d51c09f5c6 --typecode=1:89c57f98-2fe5-4dc0-89c1-f3ad0ceff2be -- /dev/sdb [magna075][DEBUG ] The operation has completed successfully. [magna075][WARNIN] INFO:ceph-disk:calling partx on created device /dev/sdb [magna075][WARNIN] INFO:ceph-disk:re-reading known partitions will display errors [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/partx -a /dev/sdb [magna075][WARNIN] partx: /dev/sdb: error adding partitions 1-2 [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/udevadm settle [magna075][WARNIN] DEBUG:ceph-disk:Creating xfs fs on /dev/sdb1 [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/mkfs -t xfs -f -i size=2048 -- /dev/sdb1 [magna075][DEBUG ] meta-data=/dev/sdb1 isize=2048 agcount=4, agsize=60719917 blks [magna075][DEBUG ] = sectsz=512 attr=2, projid32bit=1 [magna075][DEBUG ] = crc=0 finobt=0 [magna075][DEBUG ] data = bsize=4096 blocks=242879665, imaxpct=25 [magna075][DEBUG ] = sunit=0 swidth=0 blks [magna075][DEBUG ] naming =version 2 bsize=4096 ascii-ci=0 ftype=0 [magna075][DEBUG ] log =internal log bsize=4096 blocks=118593, version=2 [magna075][DEBUG ] = sectsz=512 sunit=0 blks, lazy-count=1 [magna075][DEBUG ] realtime =none extsz=4096 blocks=0, rtextents=0 [magna075][WARNIN] DEBUG:ceph-disk:Mounting /dev/sdb1 on /var/lib/ceph/tmp/mnt.nbe7yk with options noatime,inode64 [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/bin/mount -t xfs -o noatime,inode64 -- /dev/sdb1 /var/lib/ceph/tmp/mnt.nbe7yk [magna075][WARNIN] DEBUG:ceph-disk:Preparing osd data dir /var/lib/ceph/tmp/mnt.nbe7yk [magna075][WARNIN] DEBUG:ceph-disk:Creating symlink /var/lib/ceph/tmp/mnt.nbe7yk/journal -> /dev/disk/by-partuuid/d1a8fd80-ddb4-4673-b5dd-7d3763a44994 [magna075][WARNIN] DEBUG:ceph-disk:Unmounting /var/lib/ceph/tmp/mnt.nbe7yk [magna075][WARNIN] INFO:ceph-disk:Running command: /bin/umount -- /var/lib/ceph/tmp/mnt.nbe7yk [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/sgdisk --typecode=1:4fbd7e29-9d25-41b8-afd0-062c0ceff05d -- /dev/sdb [magna075][DEBUG ] The operation has completed successfully. [magna075][WARNIN] INFO:ceph-disk:calling partx on prepared device /dev/sdb [magna075][WARNIN] INFO:ceph-disk:re-reading known partitions will display errors [magna075][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/partx -a /dev/sdb [magna075][WARNIN] partx: /dev/sdb: error adding partitions 1-2 [magna075][INFO ] checking OSD status... [magna075][INFO ] Running command: ceph --cluster=ceph osd stat --format=json #ceph osd tree # ceph osd tree ID WEIGHT TYPE NAME UP/DOWN REWEIGHT PRIMARY-AFFINITY -1 1.79999 root default -2 0.89999 host magna062 0 0.89999 osd.0 up 1.00000 1.00000 -3 0.89999 host magna075 1 0.89999 osd.1 up 1.00000 1.00000
This is known behavior from ceph-deploy and the output is already saying that partx will complain (form your output): [magna075][WARNIN] INFO:ceph-disk:re-reading known partitions will display errors In this case /dev/sdb2 is the one that is already known and indeed, it displays an error: [magna075][WARNIN] partx: /dev/sdb: error adding partition 2 The origin of this behavior in RHEL is described in http://tracker.ceph.com/issues/7334 The process of deploying OSDs checks for their status and making sure they are all "up", "in", and not full or near full which the output seems to say is not the case. I am not sure why the health warning but I am inclined to say this is not because there was a failure in deploying the OSD.
(In reply to Alfredo Deza from comment #2) > This is known behavior from ceph-deploy and the output is already saying > that partx will complain (form your output): > > [magna075][WARNIN] INFO:ceph-disk:re-reading known partitions will display > errors > > In this case /dev/sdb2 is the one that is already known and indeed, it > displays an error: > > [magna075][WARNIN] partx: /dev/sdb: error adding partition 2 > > The origin of this behavior in RHEL is described in > http://tracker.ceph.com/issues/7334 > > The process of deploying OSDs checks for their status and making sure they > are all "up", "in", and not full or near full which the output seems to say > is not the case. > > I am not sure why the health warning but I am inclined to say this is not > because there was a failure in deploying the OSD. Understood. Thanks Alfredo. Just wanted to make sure health warning has nothing to do with this. Closing Not a bug.