Login
[x]
Log in using an account from:
Fedora Account System
Red Hat Associate
Red Hat Customer
Or login using a Red Hat Bugzilla account
Forgot Password
Login:
Hide Forgot
Create an Account
Red Hat Bugzilla – Attachment 1453855 Details for
Bug 1594406
VDO volume with 4096 byte block size shows an increasing "bios acknowledged partial write" statistic
[?]
New
Simple Search
Advanced Search
My Links
Browse
Requests
Reports
Current State
Search
Tabular reports
Graphical reports
Duplicates
Other Reports
User Changes
Plotly Reports
Bug Status
Bug Severity
Non-Defaults
|
Product Dashboard
Help
Page Help!
Bug Writing Guidelines
What's new
Browser Support Policy
5.0.4.rh83 Release notes
FAQ
Guides index
User guide
Web Services
Contact
Legal
This site requires JavaScript to be enabled to function correctly, please enable it.
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:
Reproduction demonstration with filtered vdostats output
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 >
You cannot view the attachment while viewing its details because your browser does not support IFRAMEs.
View the attachment on a separate page
.
View Attachment As Raw
Actions:
View
Attachments on
bug 1594406
: 1453855 |
1454372