NEC Bull NovaScale R620 Series, User Manual

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NovaScale R620 User Guide
7-38
SCSI Status on a Data Viewer:
 “
Unknown
”
is always displayed for the following items:
-
“
Serial Number
”
,
“
Firmware Revision
”
and
“
ROMBIOS Revision
”
in
“
General
”
of
“
SCSI Adapter
”
-
“
Reassign Block Count
”
and
“
Reassign Block threshold
”
in
“
General
”
of
“
SCSI Slot
”
SCSI Status while the IO Module is Starting or being Stopped:

While an IO module is starting or being stopped, the status of the SCSI adapters, SCSI bus, SCSI
enclosure, SCSI slots, and mirror disks temporarily indicates an undefined status. Once the module is
started or stopped, the status will return to normal.
Status of SCSI Slots and Mirrored Disks at High Load:

When the system load is high, the status of SCSI slots and mirror disks may not be obtained, and
incorrect status may be displayed temporarily.
Event of “ ESM HAS Storage Service ” when Starting the Server for the First Time:

After installing the server and when it is started for the first time or when it is started for the first time
after the system is reset up, an event that SCSI-related status has changed is registered. However, the
previous status in the message shows an undefined value.
Event 401 and 402 of “ ESM HAS Storage Service ” :

An event
“
Status of SCSI Slot (ID:41/n) has changed from Empty to Empty
”
may be registered to the
event log because, internally, there are two types of the status
“
Empty
”
which indicates that a disk is
not mounted. For example, when no disk is mounted in both Slot 1 and Slot 4,
“
Empty
”
is simply
informational. Slot 1 also indicates
“
Empty
”
when a disk on which no volume is created is in Slot 4.
However, if a simple volume is created on the disk in Slot 4, the status
“
Empty
”
of Slot 1 is handled as
a warning in order to maintain redundancy. In such a case, check the status of volume creation and
configure mirror volumes.
SCSI Slot Indication when a Disk Fails:

When a disk which has failed before it is mounted, the SCSI slot status becomes
“
Broken.
”
The status
changes from
“
Broken
”
when a mirror volume is created on the disk or any mirror volume is
resynchronized.
ESMhstrg.dat:

While the server is running, the
“
\data\ESMhstrg.dat
”
file in the installation directory (default is
“
C:\ESM
”
) of NEC ESMPRO Agent cannot be accessed. For this reason, when a backup software is
used, this file is not backed up. However, because the
“
ESMhstrg.dat
”
file is recreated while the
server is running, there will not be any problem even if the file is not backed up.
PCI Module Status is “ Empty ” :

If devices such as LANs and FCs in the PCI module are not duplicated, the PCI module status becomes
“
Empty.
”
If the PCI module status is
“
Empty,
”
make sure that the LAN and FC cables are connected to
and LANs are teamed.
“ Warning ” is displayed for a “ Normal ” mirror volume on Disk Management:

If the combination of the disks that configure a mirror is different from the one described in
“
Disk
Operations
”
in Chapter 3,
“
Warning
”
is displayed for a normal mirror volume.