----- Original Message -----
From: "John R Pierce" pierce@hogranch.com
To: centos@centos.org
Sent: Tuesday, May 24, 2016 5:04:24 PM
Subject: Re: [CentOS] Hard drives being renamed
On 5/24/2016 2:08 PM, Pat Haley wrote:
We are running Centos 6.7 - 2.6.32-573.22.1.el6.x86_64 on a Quanta
Cirrascale, up to date with patches. We have had a couple of instances
in which the hard drives have become renamed after reboot (e.g. drive
sda is renamed to sdc after reboot). One time this occurred when we
rebooted following the installation of a 10GB NIC card, another time
after we tried to install mellanox drivers
(MLNX_OFED_LINUX-3.2-2.0.0.0-rhel6.7-x86_64). Currently we are unable
to boot because that drive has been renamed.
Our questions are
* Has anyone else experienced similar issues?
* What can we do to prevent such renaming in the future
don't use device names in your fstab, use labels, or use LVM, or whatever.
--
john r pierce, recycling bits in santa cruz
Use blkid to get the UUIDs then use UUID="..." in fstab. Be aware that nothing is failsafe, changing filesystems on a partition will change the UUID and "dd ing" a partition to another drive but leaving it in the system without manually changing the UUID of one of the partitions will result in duplicate UUIDs and corresponding confusion - "been there, done that".
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