Bug 596948

Summary:	vmstat disk device field is not long enough
Product:	Red Hat Enterprise Linux 6	Reporter:	Casey Dahlin <cdahlin>
Component:	procps	Assignee:	Jan Görig <jgorig>
Status:	CLOSED ERRATA	QA Contact:	Branislav Náter <bnater>
Severity:	medium	Docs Contact:
Priority:	high
Version:	6.0	CC:	albert, bnater, ovasik, tumeya, vanhoof
Target Milestone:	rc	Keywords:	Reopened
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:	procps-3.2.8-16.el6	Doc Type:	Bug Fix
Doc Text:	Cause vmstat doesn't read whole device name if it is too long Consequence Devices with long name weren't showed by vmstat -d command Fix Increased number of maximum characters for device name Result Devices with long name are shown	Story Points:	---
Clone Of:	586078	Environment:
Last Closed:	2011-05-19 14:08:04 UTC	Type:	---
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	586078, 1169349
Bug Blocks:

Comment 1 RHEL Program Management 2010-05-27 19:55:39 UTC

This request was evaluated by Red Hat Product Management for inclusion in a Red
Hat Enterprise Linux major release.  Product Management has requested further
review of this request by Red Hat Engineering, for potential inclusion in a Red
Hat Enterprise Linux Major release.  This request is not yet committed for
inclusion.

Comment 13 Jan Görig 2011-01-31 11:21:52 UTC

    Technical note added. If any revisions are required, please edit the "Technical Notes" field
    accordingly. All revisions will be proofread by the Engineering Content Services team.
    
    New Contents:
Cause
 vmstat doesn't read whole device name if it is too long
Consequence
 Devices with long name weren't showed by vmstat -d command
Fix
 Increased number of maximum characters for device name
Result
 Devices with long name are shown

Comment 14 Branislav Náter 2011-03-03 14:04:02 UTC

Updated patch seems to work correctly. Verified using reproducers on package  procps-3.2.8-16.el6.{x86_64,i686,ppc64,s390x}

- "vmstat -d" displaying 31 character long device name:
.live.[root@i386-6w-v1 vmstat]# vmstat -d
disk- ------------reads------------ ------------writes----------- -----IO------
       total merged sectors      ms  total merged sectors      ms    cur    sec
testingdevicewithverylongname10     11      0      88       0      0      0       0       0      0      0

- "vmstat -p <partname>" displaying 34 character long partition name:
# vmstat -p toolongdevicenamethatcantest300p50
toolongdevicenamethatcantest300p50    reads   read sectors  writes    requested writes
                 334       2928          0          0

Comment 15 errata-xmlrpc 2011-05-19 14:08:04 UTC

An advisory has been issued which should help the problem
described in this bug report. This report is therefore being
closed with a resolution of ERRATA. For more information
on therefore solution and/or where to find the updated files,
please follow the link below. You may reopen this bug report
if the solution does not work for you.

http://rhn.redhat.com/errata/RHBA-2011-0708.html