<html><head></head><body><div>A recent system upgrade on a CentOS7 system puts it one revision ahead of other machines. I've not found a notice in changelog that explains what I see.</div><div><br></div><div>3 hard drives with 3 partitions on each. /dev/sd[abc] shows no partitions (no /dev/sda1,2,or 3). If I run partprobe, magic happens and they reappear. Then I can run blkid to get UUID for /etc/fstab mounting. Mounts using UUID come from /dev/mapper/<long drive makers ID string here with a partition number on end>.</div><div><br></div><div>reboot.</div><div><br></div><div>All the /dev/sda1,2,3 partitions vanish in /dev. The mounts work with UUID. partprobe creates all the appropriate devices again.</div><div><br></div><div>Choose the older kernel (newest is kernel-3.10.0-693.21.1.el7.x86_64. Older is kernel-3.10.0-693.5.2.el7.x86_64). Same scenario. </div><div><br></div><div>Other systems running older kernel only do not show this behavior. Multipathd? </div><div><br></div><div>pvcreate wants a /dev/sdXN device which don't actually work. Ideas??</div><div><span><pre><pre>-- <br></pre>James P. Kinney III
Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain
http://heretothereideas.blogspot.com/
</pre></span></div></body></html>