StorageGRID: VMFR (Space Available) alarm triggered after applying hotfix 11.2.0.x

Applies to

StorageGRID 11.2.0.x

Issue

• Current VMFR (Space Available) alarm threshold is 2,000,000,000 bytes
•  After applying hotfix 11.2.0.4 or 11.2.0.6, VMFR alarm is triggered on the root partition as its free storage falls below 2GB (metric)

Example:
Command: df -h
Filesystem                          Size Used Avail Use% Mounted on
overlay                             9.8G 7.4G 1.9G 80%   /
tmpfs                                64M  16K  64M  1%   /dev
tmpfs                                24G    0  24G  0%   /sys/fs/cgroup
/dev/mapper/StorageGRID-SG-OS-part1 9.8G 7.4G 1.9G 80%   /config
tmpfs                               512M 592K 512M  1%   /tmp
/dev/mapper/StorageGRID-SG-OS-part2 500G 7.1G 493G  2%   /var/local
tmpfs                               4.7G  36K 4.7G  1%   /run
shm                                  64M  12K  64M  1%   /dev/shm
tmpfs                                24G    0  24G  0%   /sys/firmware
tmpfs                               5.0M    0 5.0M  0%   /run/lock
/dev/sdc                             21T  15T 6.2T 70%   /var/local/rangedb/0
/dev/sdd                             21T  16T 5.0T 76%   /var/local/rangedb/1
/dev/sde                             21T  16T 5.0T 76%   /var/local/rangedb/2
/dev/sdf                             21T  16T 5.0T 76%   /var/local/rangedb/3
/dev/sdg                             21T  16T 5.0T 76%   /var/local/rangedb/4
/dev/sdh                             21T  16T 5.0T 76%   /var/local/rangedb/5
/dev/sdi                             21T  16T 5.0T 76%   /var/local/rangedb/6