hi im trying to install vertica i have this error:
Prerequisites not fully met during local (OS) configuration for
verify-127.0.0.1.xml:
HINT (S0151): https://my.vertica.com/docs/8.0.x/HTML/index.htm#cshid=S0151
These disks do not have known IO schedulers: '/dev/mapper/vg_manager-
lv_home' ('') = ''
HINT (S0305): https://my.vertica.com/docs/8.0.x/HTML/index.htm#cshid=S0305
TZ is unset for dbadmin. Consider updating .profile or .bashrc
WARN (S0141): https://my.vertica.com/docs/8.0.x/HTML/index.htm#cshid=S0141
CPUs have discouraged cpufreq scaling policies: cpu0, cpu1, cpu2, cpu3,
cpu4, cpu5, cpu6, cpu7
WARN (S0170): https://my.vertica.com/docs/8.0.x/HTML/index.htm#cshid=S0170
lsblk (LVM utility) indicates LVM on the data directory.
FAIL (S0020): https://my.vertica.com/docs/8.0.x/HTML/index.htm#cshid=S0020
Readahead size of (/dev/mapper/vg_manager-lv_home) is too low for
typical systems: 256 < 2048