> Op 11 januari 2017 om 12:24 schreef Jayaram R <jaylinuxg...@gmail.com>:
> 
> 
> Hello,
> 
> 
> 
> We from Nokia are validating bluestore on 3 node cluster with EC 2+1
> 
> 
> 
> While upgrading our cluster from Kraken 11.0.2 to 11.1.1 with bluesotre ,
> the cluster affected more than half of the OSDs went down.
> 

Yes, see the Release Notes: 
http://docs.ceph.com/docs/master/release-notes/#v11-1-1-release-candidate

"The new BlueStore backend now has a change in the on-disk format, from the 
previous release candidate 11.1.0 and there might possibly be a change before 
the final release is cut"

Those OSDs are not able to start due to the changed on-disk format.

Wido

> 
> 
> $ceph -s
>     cluster cb55baa8-d5a5-442e-9aae-3fd83553824e
>      health HEALTH_ERR
>             792 pgs are stuck inactive for more than 300 seconds
>             792 pgs stale
>             792 pgs stuck stale
>             8/12 in osds are down
>      monmap e2: 3 mons at {PL0-CN1=
> 10.50.5.16:6789/0,PL0-CN2=10.50.5.17:6789/0,PL0-CN3=10.50.5.18:6789/0}
>             election epoch 28, quorum 0,1,2 PL0-CN1,PL0-CN2,PL0-CN3
>         mgr active: PL0-CN2 standbys: PL0-CN1, PL0-CN3
>      osdmap e191: 15 osds: 4 up, 12 in; 856 remapped pgs
>             flags sortbitwise,require_jewel_osds,require_kraken_osds
>       pgmap v508: 1088 pgs, 2 pools, 0 bytes data, 0 objects
>             157 MB used, 33531 GB / 33531 GB avail
>                  792 stale+active+clean
>                  296 active+clean
> 
> OSD logs..
> --------------
> 
> ~~~
> 2017-01-11 12:03:38.740504 7f7741b13940  0 pidfile_write: ignore empty
> --pid-file
> 2017-01-11 12:03:38.758541 7f7741b13940 -1 WARNING: the following dangerous
> and experimental features are enabled: bluestore,rocksdb
> 2017-01-11 12:03:38.767324 7f7741b13940  0 load: jerasure load: lrc load:
> isa
> 2017-01-11 12:03:38.767791 7f7741b13940  1
> bluestore(/var/lib/ceph/osd/ceph-5) mount path /var/lib/ceph/osd/ceph-5
> 2017-01-11 12:03:38.769697 7f7741b13940  1 bluefs add_block_device bdev 1
> path /var/lib/ceph/osd/ceph-5/block.db size 65536 kB
> 2017-01-11 12:03:38.770443 7f7741b13940  1 bluefs add_block_device bdev 2
> path /var/lib/ceph/osd/ceph-5/block size 2794 GB
> 2017-01-11 12:03:38.770961 7f7741b13940  1 bluefs add_block_device bdev 0
> path /var/lib/ceph/osd/ceph-5/block.wal size 128 MB
> 2017-01-11 12:03:38.771176 7f7741b13940  1 bluefs mount
> 2017-01-11 12:03:38.790311 7f7741b13940  0  set rocksdb option compression
> = kNoCompression
> 2017-01-11 12:03:38.790320 7f7741b13940  0  set rocksdb option
> max_write_buffer_number = 4
> 2017-01-11 12:03:38.790323 7f7741b13940  0  set rocksdb option
> min_write_buffer_number_to_merge = 1
> 2017-01-11 12:03:38.790328 7f7741b13940  0  set rocksdb option
> recycle_log_file_num = 4
> 2017-01-11 12:03:38.790332 7f7741b13940  0  set rocksdb option
> write_buffer_size = 268435456
> 2017-01-11 12:03:38.790354 7f7741b13940  0  set rocksdb option compression
> = kNoCompression
> 2017-01-11 12:03:38.790356 7f7741b13940  0  set rocksdb option
> max_write_buffer_number = 4
> 2017-01-11 12:03:38.790358 7f7741b13940  0  set rocksdb option
> min_write_buffer_number_to_merge = 1
> 2017-01-11 12:03:38.790360 7f7741b13940  0  set rocksdb option
> recycle_log_file_num = 4
> 2017-01-11 12:03:38.790362 7f7741b13940  0  set rocksdb option
> write_buffer_size = 268435456
> 2017-01-11 12:03:38.790493 7f7741b13940  4 rocksdb: RocksDB version: 5.0.0
> 
> <snip>
> 
> 2017-01-11 12:03:38.839442 7f7741b13940  4 rocksdb: DB pointer
> 0x7f774cef0b00
> 2017-01-11 12:03:38.839470 7f7741b13940  1
> bluestore(/var/lib/ceph/osd/ceph-5) _open_db opened rocksdb path db options
> compression=kNoCompression,max_write_buffer_number=4,min_write_buffer_number_to_merge=1,recycle_log_file_num=4,write_buffer_size=268435456
> 2017-01-11 12:03:38.840407 7f7741b13940 -1
> bluestore(/var/lib/ceph/osd/ceph-5) warning: bluestore_min_alloc_size 65536
> > min_min_alloc_size 4096, may impact performance.
> 2017-01-11 12:03:38.840429 7f7741b13940  1 freelist init
> 2017-01-11 12:03:39.339645 7f7741b13940 -1 osd.5 0 OSD::init() : unable to
> read osd superblock
> 2017-01-11 12:03:39.339659 7f7741b13940  1
> bluestore(/var/lib/ceph/osd/ceph-5) umount
> 2017-01-11 12:03:39.454719 7f7741b13940  1 freelist shutdown
> 2017-01-11 12:03:39.454960 7f7741b13940  1 bluefs umount
> 2017-01-11 12:03:40.278242 7f7741b13940 -1 ESC[0;31m ** ERROR: osd init
> failed: (22) Invalid argumentESC[0m
> 2017-01-11 12:04:00.487006 7f9c3bebc940 -1 WARNING: the following dangerous
> and experimental features are enabled: bluestore,rocksdb
> 2017-01-11 12:04:00.487011 7f9c3bebc940  0 set uid:gid to 167:167
> (ceph:ceph)
> 2017-01-11 12:04:00.487021 7f9c3bebc940  0 ceph version 11.1.1
> (87597971b371d7f497d7eabad3545d72d18dd755), process ceph-osd, pid 11983
> 2017-01-11 12:04:00.487058 7f9c3bebc940 -1 WARNING: experimental feature
> 'bluestore' is enabled
> 
> .~~~~~
> 
> Our Findings:--
> 
> 1) Cluster installed from scratch with 11.1.1 works fine , having issues
> with upgrade .
> 
> 2) OSD's not getting activated after upgrade which cause osd process failed
> to read the superblock.
> 
> 
> 
> Please provide suggestions/feedback to unblock this issue.
> 
> 
> Thanks
> 
> Jayaram
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