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CHAPTER 10 Error Notification and Maintenance (Contents, Methods, and Procedures)
10.4 Collecting Maintenance Data
192
C122-E175-01EN
Memory dump type
Memory dump file size
Minimum memory dump
32bit windows: 128 KB
64bit windows: 256 KB
Create new file
Automatic memory dump
Depends on memory space during system
operation (max 8TB).
Overwrite (*2)
*1 In a system using the Memory Mirror function, it is half the size of the mounted physical memory
*2 The existing file is overwritten by default. You can change this setting to not overwrite the dump file.
However, unlike the minimum memory dump, no new dump file would be created in such cases.
Notes
- Be sure to reserve enough free space on the HDD/SSD before acquiring a memory dump.
- Select the optimum settings for system operation by taking the following into account:
- The causes of some problems may not be identified because kernel memory dumps do not record
user mode information.
- The time taken to create a complete memory dump is proportional to the memory size, and the down
time before a system restart is longer. Also, the saved dump file requires freer disk space.
- The memory dump file cannot be stored in the iSCSI connection destination. However, only when the
paging file is arranged on the iSCSI boot disk, it is possible to store it in booting it iSCSI.
Memory dump configuration methods
The methods of configuring memory dumps are described below.
<For Windows Server 2012 or Windows Server 2012R2>
Configure the memory dump file in the following procedure.
1. Log in to the server with Administrator privileges.
2. Confirm the free space on the drive to store the memory dump file.
3. Click [Control Panel] - [System and Security] - [System] - [Advanced system settings].
4. Click [Settings] under [Startup and Recovery] on the [Advanced] tab.
The [Startup and Recovery] dialog box appears.