Huawei ES3000 V5 User Manual page 131

ES3000 V5 NVMe PCIe SSD
User Guide
Parameter
Metadata
Capabilities
Example
#Query nvme0 formatting parameter support information.
[root@localhost tool]# hioadm format -d nvme0 -q
LBA Format:
Performance: Best (in use)
Performance: Better
Performance: Better
Performance: Best
Performance: Better
Protection Information:
Protection Information Location:
Supported (in use)
Supported
Metadata Capabilities:
Issue 07 (2019-03-19)
Description
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.
LBA Format 0: Data Size: 512
LBA Format 1: Data Size: 512
LBA Format 2: Data Size: 4096 bytes - Metadata Size: 64 bytes - Relative
LBA Format 3: Data Size: 4096 bytes - Metadata Size: 0
LBA Format 4: Data Size: 4096 bytes - Metadata Size: 8
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 transferred as the last eight bytes of metadata:
Protection information transferred as the first eight bytes of metadata:
Metadata being transferred as part of a separate buffer: Supported (in use)
Metadata being transferred as part of an extended data LBA: Supported
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bytes - Metadata Size: 0
bytes - Metadata Size: 8
6 Command Description
Value
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.
bytes - Relative
bytes - Relative
bytes - Relative
bytes - Relative
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