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ETERNUS SF AdvancedCopy Manager V16.9.1 Operation Guide for Copy Control Module
FUJITSU Storage

4.4.2 acrecbuff stat (REC Transfer Buffer Status Display Command)

NAME

acrecbuff stat - Display REC transfer buffer information

SYNOPSIS

acrecbuff stat -a diskArrayName [-disk] [-xml]

DESCRIPTION

The information for REC transfer buffers used in an ETERNUS Disk storage system is displayed.

OPTIONS

-a diskArrayName

This option specifies the ETERNUS name.

-disk

This option displays REC Disk buffer information.

-xml

This option specifies when displaying by the XML format.

EXIT STATUS

=0: Completed successfully
>0: Terminated abnormally

EXAMPLES

The following table shows the meanings of the information displayed.

Title

Description

ID

Displays a REC transfer buffer ID.

Use

Displays the use purpose of REC transfer buffer.

  • SEND: for sending

  • RECV: for receiving

Rate

Displays the REC transfer buffer usage as a percentage. When the REC transfer buffer is not available, "----" is displayed.

  • For sending:

    Displays the transfer buffer usage as a percentage. Even if REC in asynchronous Consistency mode is not executed, the usage does not become 0 %.

  • For receiving:

    "0 %" is displayed at all times.

RemoteBoxID

Displays the Box ID for the ETERNUS Disk storage system.

DiskBuff

Displays the REC Disk buffer status. This is displayed only if the -disk option is specified.

  • ---: Transfer buffer is for reception

  • active: REC Disk buffer is in the usable state

  • invalid: REC Disk buffer is not set

  • warning(code=xx): REC Disk buffer is in the usable state but the disk has a fault
    One of the following codes is entered at code=xx:

    • 04: Rebuild or other recovery operation is in progress (REC Disk buffer is in the usable state)

    • 08: RAID that comprises the REC Disk buffer includes RAID group that does not have redundancy

  • in active(code=xx): REC Disk buffer is not in the usable state
    One of the following codes is entered at code=xx:

    • 05: RAID group that comprises the REC Disk buffer has error status

    • 06: REC Disk buffer RAID group is being formatted

    • 07: Copy destination does not support REC Disk buffer

  • not support: REC Disk buffer is not supported

DiskRate

If the REC Disk buffer state is "active" or "warning", the busy rate is displayed as a percentage
The busy rate is displayed only if the -disk option is specified.

If the REC Disk buffer is not used, "0%" is displayed.
In cases other than the above, "---" is displayed.

NOTES

This command is not available for ETERNUS Disk storage system registered as a remote device.