Attachment 1453855 Details for Bug 1594406 – Reproduction demonstration with filtered vdostats output

Reproduction demonstration with filtered vdostats output

repro_instructions_sterilized.txt (text/plain), 6.40 KB, created by Bryan Gurney on 2018-06-22 21:13:36 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: Bryan Gurney

Created: 2018-06-22 21:13:36 UTC

Size: 6.40 KB

patch

obsolete

>[root@localhost ~]# uname -r; rpm -qa kmod-kvdo vdo
>3.10.0-862.3.3.el7.x86_64
>kmod-kvdo-6.1.0.168-16.el7_5.x86_64
>vdo-6.1.0.168-18.x86_64
>[root@localhost ~]# vdo create --name=vdo1 --device=/dev/sdb
>Creating VDO vdo1
>Starting VDO vdo1
>Starting compression on VDO vdo1
>VDO instance 0 volume is ready at /dev/mapper/vdo1
>[root@localhost ~]# vdostats vdo1 --verbose | egrep 'bios.*read|bios.*write'
>  bios in read                        : 266
>  bios in write                       : 0
>  bios in partial read                : 0
>  bios in partial write               : 0
>  bios out read                       : 0
>  bios out write                      : 0
>  bios meta read                      : 4
>  bios meta write                     : 65
>  bios journal read                   : 0
>  bios journal write                  : 0
>  bios page cache read                : 0
>  bios page cache write               : 0
>  bios out completed read             : 0
>  bios out completed write            : 0
>  bios meta completed read            : 4
>  bios meta completed write           : 65
>  bios journal completed read         : 0
>  bios journal completed write        : 0
>  bios page cache completed read      : 0
>  bios page cache completed write     : 0
>  bios acknowledged read              : 266
>  bios acknowledged write             : 0
>  bios acknowledged partial read      : 0
>  bios acknowledged partial write     : 0
>  bios in progress read               : 0
>  bios in progress write              : 0
>[root@localhost ~]# dd if=8k_z.bin of=/dev/mapper/vdo1 bs=4096 oflag=direct
>2+0 records in
>2+0 records out
>8192 bytes (8.2 kB) copied, 0.00257413 s, 3.2 MB/s
>[root@localhost ~]# vdostats vdo1 --verbose | egrep 'bios.*read|bios.*write'
>  bios in read                        : 532
>  bios in write                       : 2
>  bios in partial read                : 0
>  bios in partial write               : 0
>  bios out read                       : 0
>  bios out write                      : 1
>  bios meta read                      : 5
>  bios meta write                     : 73
>  bios journal read                   : 0
>  bios journal write                  : 8
>  bios page cache read                : 1
>  bios page cache write               : 0
>  bios out completed read             : 0
>  bios out completed write            : 1
>  bios meta completed read            : 5
>  bios meta completed write           : 73
>  bios journal completed read         : 0
>  bios journal completed write        : 8
>  bios page cache completed read      : 1
>  bios page cache completed write     : 0
>  bios acknowledged read              : 532
>  bios acknowledged write             : 2
>  bios acknowledged partial read      : 0
>  bios acknowledged partial write     : 0
>  bios in progress read               : 0
>  bios in progress write              : 0
>[root@localhost ~]# blkid -p /dev/mapper/vdo1
>[root@localhost ~]# vdostats vdo1 --verbose | egrep 'bios.*read|bios.*write'
>  bios in read                        : 798
>  bios in write                       : 2
>  bios in partial read                : 0
>  bios in partial write               : 0
>  bios out read                       : 2
>  bios out write                      : 1
>  bios meta read                      : 5
>  bios meta write                     : 73
>  bios journal read                   : 0
>  bios journal write                  : 8
>  bios page cache read                : 1
>  bios page cache write               : 0
>  bios out completed read             : 2
>  bios out completed write            : 1
>  bios meta completed read            : 5
>  bios meta completed write           : 73
>  bios journal completed read         : 0
>  bios journal completed write        : 8
>  bios page cache completed read      : 1
>  bios page cache completed write     : 0
>  bios acknowledged read              : 798
>  bios acknowledged write             : 2
>  bios acknowledged partial read      : 2
>  bios acknowledged partial write     : 0
>  bios in progress read               : 0
>  bios in progress write              : 0
>[root@localhost ~]# blkid -p /dev/mapper/vdo1
>[root@localhost ~]# vdostats vdo1 --verbose | egrep 'bios.*read|bios.*write'
>  bios in read                        : 1064
>  bios in write                       : 2
>  bios in partial read                : 0
>  bios in partial write               : 0
>  bios out read                       : 4
>  bios out write                      : 1
>  bios meta read                      : 5
>  bios meta write                     : 73
>  bios journal read                   : 0
>  bios journal write                  : 8
>  bios page cache read                : 1
>  bios page cache write               : 0
>  bios out completed read             : 4
>  bios out completed write            : 1
>  bios meta completed read            : 5
>  bios meta completed write           : 73
>  bios journal completed read         : 0
>  bios journal completed write        : 8
>  bios page cache completed read      : 1
>  bios page cache completed write     : 0
>  bios acknowledged read              : 1064
>  bios acknowledged write             : 2
>  bios acknowledged partial read      : 4
>  bios acknowledged partial write     : 0
>  bios in progress read               : 0
>  bios in progress write              : 0
>[root@localhost ~]# blkid -p /dev/mapper/vdo1
>[root@localhost ~]# vdostats vdo1 --verbose | egrep 'bios.*read|bios.*write'
>  bios in read                        : 1330
>  bios in write                       : 2
>  bios in partial read                : 0
>  bios in partial write               : 0
>  bios out read                       : 6
>  bios out write                      : 1
>  bios meta read                      : 5
>  bios meta write                     : 73
>  bios journal read                   : 0
>  bios journal write                  : 8
>  bios page cache read                : 1
>  bios page cache write               : 0
>  bios out completed read             : 6
>  bios out completed write            : 1
>  bios meta completed read            : 5
>  bios meta completed write           : 73
>  bios journal completed read         : 0
>  bios journal completed write        : 8
>  bios page cache completed read      : 1
>  bios page cache completed write     : 0
>  bios acknowledged read              : 1330
>  bios acknowledged write             : 2
>  bios acknowledged partial read      : 6
>  bios acknowledged partial write     : 0
>  bios in progress read               : 0
>  bios in progress write              : 0
>[root@localhost ~]# vdo stop --name=vdo1
>Stopping VDO vdo1
>

Actions: View

Attachments on bug 1594406: 1453855 | 1454372