Bug 1304598

Summary:	cannot install FC23 with Micron P420m ssd card installed in the system
Product:	[Fedora] Fedora	Reporter:	nenad
Component:	udev	Assignee:	Orphan Owner <extras-orphan>
Status:	CLOSED EOL	QA Contact:	Fedora Extras Quality Assurance <extras-qa>
Severity:	unspecified	Docs Contact:
Priority:	unspecified
Version:	23	CC:	extras-orphan, gary, jonathan
Target Milestone:	---
Target Release:	---
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:		Story Points:	---
Clone Of:		Environment:
Last Closed:	2016-12-20 18:25:18 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Description nenad 2016-02-04 05:33:48 UTC

We have FC20 running on a system that has Micron P420m SSD PCIe card installed (does not boot from it).  Tried to upgrade to FC23 but install script fails with a message that it was 'unable to locate disklabel' on 'rssda' drive.

I saw some other reports with the same message but I don't think that our problem is related to any of them.  Our device was visible by the kernel and I was able to mount the only partition we had on it.  

After going through the storage.log install log I noticed that Micron device did not have any links under /dev/disk directories and that pointed to udev manager.  The following line in 

/usr/lib/udev/rules.d/60-persistent-storage.rules 

was the cause of our problem:

 9 KERNEL!="loop*|mmcblk*[0-9]|msblk*[0-9]|mspblk*[0-9]|nvme*|sd*|sr*|vd*|xvd*|bcache*|cciss*|dasd*", GOTO="persistent_storage_end"

As our device is 'rssd*' udev was skipping any kind of work thinking that it is not the storage device.  FC 20 had this logic reversed and that is why it worked for us:

# skip rules for inappropriate block devices
KERNEL=="fd*|mtd*|nbd*|gnbd*|btibm*|dm-*|md*|zram*", GOTO="persistent_storage_end"

At the end I patched the rules file (adding rssd* on line 9) and re-scanned them with 'udevadm trigger'.  Links were created and install process was able to pass the point of checking for suitable devices.

Comment 1 Gary Funck 2016-02-04 06:02:19 UTC

This bug may be related to bug #1283314.

Comment 2 Fedora End Of Life 2016-11-24 15:23:05 UTC

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Comment 3 Fedora End Of Life 2016-12-20 18:25:18 UTC

Fedora 23 changed to end-of-life (EOL) status on 2016-12-20. Fedora 23 is
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