Fujitsu DX80 S2/DX90 S2 Computer Drive User Manual


  Open as PDF
of 1066
 
Chapter 8 Advanced Copy Management
8.1 Advanced Copy Status
ETERNUS Web GUI User’s Guide
Copyright 2013 FUJITSU LIMITED P2X0-1090-10ENZ0
275
Monitoring Time
The monitoring time, before transition to the "Halt" status for a copy session when an REC Buffer shortage
occurs, is displayed. When the monitoring time" is "0 min.", the ETERNUS DX Disk storage system is not
being monitored. When the REC Buffer usage is "Unused", a "-" (hyphen) is displayed.
HALT Wait Timer
The maximum non-responding time is displayed. During the non-response time, the host I/O response is
stopped to give priority to performing REC Buffer transfers in a high-load state. When the REC Buffer usage
is "Unused", a "-" (hyphen) is displayed.
I/O Priority Mode
Whether the "I/O Priority Mode" is enabled or disabled is displayed. A "-" (hyphen) is displayed when the
usage is "Unused".
"I/O Priority Mode" reduces the effect on host I/O when an initial copy for starting, restarting, or recovering
the copy function is performed.
This item is available when logged in using a user account with the "Advanced Copy Management" policy.
Immediate HALT Mode
Whether the "Immediate HALT Mode" is enabled or disabled is displayed. A "-" (hyphen) is displayed when
the usage is "Unused".
"Immediate HALT Mode" reduces the effect on host I/O because the REC Buffer is insufficient when "HALT
Wait Timer" is set to "0 sec.".
This item is available when logged in using a user account with the "Advanced Copy Management" policy.
REC Disk Buffer Status
When the REC Buffer usage is "Send", the status of the REC Disk Buffers that are assigned to the REC Buffer
are displayed. When the REC Buffer usage is "Receive" or "Unused", a "-" (hyphen) is displayed.
- Active
All of the REC Disk Buffers in the REC Buffer are available.
- Rebuilding
Rebuild/copyback is being performed in some of the REC Disk Buffers.
- Formatting
Formatting is being performed in some of the REC Disk Buffers.
- Not Supported
The copy destination storage system for REC does not support the REC Disk Buffers.
- Not Mirrored
Some of the REC Disk Buffers have lost redundancy due to disk failure.
- Error
Some of the REC Disk Buffers cannot be used (due to RAID group failure or RAID group blockage).
If the "REC Disk Buffer Status" is "Formatting", "Not Supported", or "Error", all of the other REC Disk Buffers
that belong to the same REC Buffer cannot be used.
REC Disk Buffer Total Capacity
When the usage is "Send", the total capacity of the REC Disk Buffer, which is assigned to the REC Buffer, is
displayed. When the REC Buffer usage is "Receive" or "Unused", a "-" (hyphen) is displayed.
Total Storage Data Size
When the usage is "Send", the used capacity of the REC Disk Buffer, which is assigned to the REC Buffer, is
displayed. When the REC Buffer usage is "Receive" or "Unused", a "-" (hyphen) is displayed.
Free Disk Buffer Size
When the usage is "Send", the unused capacity of the REC Disk Buffer, which is assigned to the REC Buffer,
is displayed. When the REC Buffer usage is "Receive" or "Unused", a "-" (hyphen) is displayed.