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Full Discussion: RHEL and Centos VMs with IO failure on root
Homework and Emergencies Emergency UNIX and Linux Support RHEL and Centos VMs with IO failure on root Post 302604063 by admin_xor on Friday 2nd of March 2012 07:59:08 PM
Old 03-02-2012
As mentioned earlier, I would second the thought that it's not an RHEL issue. Rather it's an ESX issue. Somehow the hypervisor is failing to do what it's supposed to do once the switches come back.

Did you check by executing "mount -o remount,rw /"?

Can you please check your ESX server's log and check with VMWare support?
 

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LEARN ABOUT MINIX

systemd-remount-fs.service

SYSTEMD-REMOUNT-FS.SERVICE(8)				    systemd-remount-fs.service				     SYSTEMD-REMOUNT-FS.SERVICE(8)

NAME

       systemd-remount-fs.service, systemd-remount-fs - Remount root and kernel file systems

SYNOPSIS

       systemd-remount-fs.service

       /lib/systemd/systemd-remount-fs

DESCRIPTION

       systemd-remount-fs.service is an early boot service that applies mount options listed in fstab(5) to the root file system, the /usr file
       system, and the kernel API file systems. This is required so that the mount options of these file systems -- which are pre-mounted by the
       kernel, the initial RAM disk, container environments or system manager code -- are updated to those listed in /etc/fstab. This service
       ignores normal file systems and only changes the root file system (i.e.	/), /usr and the virtual kernel API file systems such as /proc,
       /sys or /dev. This service executes no operation if /etc/fstab does not exist or lists no entries for the mentioned file systems.

       For a longer discussion of kernel API file systems see API File Systems[1].

SEE ALSO

       systemd(1), fstab(5), mount(8)

NOTES

	1. API File Systems
	   https://www.freedesktop.org/wiki/Software/systemd/APIFileSystems

systemd 237													     SYSTEMD-REMOUNT-FS.SERVICE(8)
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