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Top Forums UNIX for Beginners Questions & Answers CentOS 6 ran out of space, need to reclaim it Post 303038176 by Peasant on Tuesday 27th of August 2019 12:41:26 PM
Old 08-27-2019
To conclude check /etc/fstab for the mentioned mountpoint.

On first glance, a server was rebooted and came up without the mountpoint.
It happily worked until root filesystem is full, since same contains the service in question - mysql database.

At least, separate database filesystem as a logical volume, or even better a new disk partition with volume group.

A wise choice would be to separate /var inside root volume group, not now but for future projects Smilie

With seperate /var and mysql, you are very likely to survive full / partition without downtime.
In your case, only backup would not work, instead of making system almost unusable.

Regards
Peasant.
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VGCFGBACKUP(8)                                                System Manager's Manual                                               VGCFGBACKUP(8)

NAME
vgcfgbackup - backup volume group descriptor area SYNOPSIS
vgcfgbackup [-d|--debug] [-f|--file filename] [-h|--help] [--ignorelockingfailure] [-P|--partial] [-v|--verbose] [VolumeGroupName...] DESCRIPTION
vgcfgbackup allows you to backup the metadata of your volume groups. If you don't name any volume groups on the command line, all of them will be backed up. In a default installation, each volume group gets backed up into a separate file bearing the name of the volume group in the directory /etc/lvm/backup. You can write the backup to an alternative file using -f. In this case if you are backing up more than one volume group the filename is treated as a template, and %s gets replaced by the volume group name. NB. This DOESN'T backup user/system data in logical volume(s)! Backup /etc/lvm regularly too. OPTIONS
See lvm for common options. SEE ALSO
lvm(8), vgcfgrestore(8) Sistina Software UK LVM TOOLS 2.02.95(2) (2012-03-06) VGCFGBACKUP(8)
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