Hitachi Compute Blade 2000 User Manual page 1593

booted after N+M failover. See "UTL Command" in Chapter 6 for releasing the
power-on request suppress setting.
This function is supported only by the standard server

blade X55R4 model.
Do not enable daylight saving time (DST) adjustment.

If DST is enabled, the OS time may have one-hour
difference depending on the time when the N+M cold
standby failover occurs. When enabling DST, execute
the following
When N+M failover occurs at the day of starting

or finishing DST, adjust the difference on the OS,
using NTP or manually.
Reboot the OS after DST has started or finished.

This can update the system information required
for RTC time synchronization to avoid time
difference due to DST adjustment.
This function is available only for Basic mode

partitions. LP mode partitions are not supported.
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