Bug 597191

Summary:	RFE: write /dev/disk/by-path paths to /boot/grub/device.map
Product:	Red Hat Enterprise Linux 6	Reporter:	Hans de Goede <hdegoede>
Component:	anaconda	Assignee:	Peter Jones <pjones>
Status:	CLOSED WONTFIX	QA Contact:	Release Test Team <release-test-team-automation>
Severity:	medium	Docs Contact:
Priority:	low
Version:	6.0	Keywords:	FutureFeature
Target Milestone:	rc
Target Release:	---
Hardware:	All
OS:	Linux
Whiteboard:
Fixed In Version:		Doc Type:	Enhancement
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2010-08-20 21:08:21 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:

Description Hans de Goede 2010-05-28 10:36:25 UTC

When a usb stick is plugged in during installation, it now often becomes sda
(since the usb mass storage scanning delay was reduced). This results in a means /boot/grub/device.map getting writting which contains:
(hd0) /dev/sdb

If the user then later needs to re-install grub and uses the device.amp, without the usb stick present. Things go wrong.

As /dev/sdx names are not really stable it would be much better to write
/dev/disk/by-path/... paths to device.map .

Comment 2 Peter Jones 2010-08-20 21:08:21 UTC

/dev/disk/by-path/ for that is a really bad idea - disk paths change sometimes when new pci devices are installed due to pci enumeration weirdness.