Parameter
Description
Value
Metadata
Capabilities
l
This parameter specifies supported
metadata modes.
l
Metadata being transferred as
part of a separate buffer
: Metadata
is transferred as part of a separate
buffer (Separate Mode).
Metadata being transferred as
part of an extended data LBA
:
Metadata is transferred as part of an
extended LBA (Extend Mode).
l
Supported
:
indicates that the
current metadata mode is supported.
Unsupported
:
indicates that the
current metadata mode is not
supported.
l
(in use)
: indicates the metadata
mode currently in use.
Example:
Metadata being transferred
as part of an extended data
LBA: Supported (in use)
This example indicates that
metadata is transferred as part
of an extended LBA (Extend
Mode), and that the setting is
currently in use.
Example
#Query
nvme0
formatting parameter support information.
[root@localhost tool]#
hioadm format -d nvme0 -q
LBA Format:
LBA Format 0: Data Size: 512 bytes - Metadata Size: 0 bytes - Relative
Performance: Best (in use)
LBA Format 1: Data Size: 512 bytes - Metadata Size: 8 bytes - Relative
Performance: Better
LBA Format 2: Data Size: 4096 bytes - Metadata Size: 64 bytes - Relative
Performance: Better
LBA Format 3: Data Size: 4096 bytes - Metadata Size: 0 bytes - Relative
Performance: Best
LBA Format 4: Data Size: 4096 bytes - Metadata Size: 8 bytes - Relative
Performance: Better
Protection Information:
Protection information is not enabled, Type 0: Supported (in use)
Protection information is enabled, Type 1: Reserved
Protection information is enabled, Type 2: Reserved
Protection information is enabled, Type 3: Supported
Protection Information Location:
Protection information transferred as the last eight bytes of metadata:
Supported (in use)
Protection information transferred as the first eight bytes of metadata:
Supported
Metadata Capabilities:
Metadata being transferred as part of a separate buffer: Supported (in use)
Metadata being transferred as part of an extended data LBA: Supported
ES3000 V5 NVMe PCIe SSD
User Guide
6 Command Description
Issue 07 (2019-03-19)
Copyright © Huawei Technologies Co., Ltd.
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