Queries all snapshots of a file system.

Debugging

OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer automatically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes DescribeSnapshots

The operation that you want to perform.

Set the value to DescribeSnapshots.
FileSystemType String Yes extreme

The type of the file system.

Valid value: extreme, which indicates Extreme NAS file systems.
FileSystemId String No extreme-22f****

The ID of the file system.
SnapshotIds String No s-extreme-67pxwk9aevrkr****,s-extreme-snapsho****,s-extreme-6tmsbas6ljhwh****

The ID of the snapshot.

You can specify a maximum of 100 IDs. You must separate snapshot IDs with commas (,).
SnapshotName String No FinanceJoshua

The name of the snapshot.
SnapshotType String No all

The type of the snapshot.

Valid values:

  • auto: automatic snapshots.
  • user: manual snapshots.
  • all: the default value, which indicates all snapshots.
Status String No all

The status of the snapshot.

Valid values:

  • progressing: The snapshot is being created.
  • accomplished: The snapshot is created.
  • failed: The snapshot fails to be created.
  • all: the default value, which indicates all snapshot states.
PageSize Integer No 10

The number of entries to return on each page.

Valid values: 1 to 100.

Default value: 10.
PageNumber Integer No 1

The number of the page to return.

Pages start from page 1. Default value: 1.

Response parameters

Parameter Type Example Description
PageNumber Integer 1

The page number of the returned page.
PageSize Integer 10

The number of entries returned per page.
RequestId String 473469C7-AA6F-4DC5-B3DB-A3DC0DE3****

The ID of the request.
Snapshots Array of Snapshot

The list of snapshots.
Snapshot
CreateTime String 2014-07-24T13:00:52Z

The time when the snapshot was created.

The time follows the ISO 8601 standard in UTC. The time is displayed in the yyyy-MM-ddThh:mmZ format.

Description String FinanceDept

The description of the snapshot.
EncryptType Integer 1

The type of the encryption.

Valid values:

  • 0: The snapshot is not encrypted.
  • 1: The snapshot is encrypted.
Progress String 100

The progress of the snapshot creation. The value of this parameter is expressed as a percentage.

RemainTime Integer 38

The remaining time that is required to create the snapshot.

Unit: seconds.
RetentionDays Integer 30

The retention period of the automatic snapshot.

Unit: days.

Valid values:

  • -1: Auto snapshots are permanently retained. After the number of auto snapshots exceeds the upper limit, the earliest auto snapshot is automatically deleted.
  • 1 to 65536: Auto snapshots are retained for the specified days. After the retention period of auto snapshots expires, the auto snapshots are automatically deleted.
SnapshotId String s-extreme-snapsho****

The ID of the snapshot.
SnapshotName String FinanceJoshua

The name of the snapshot.

If you specify a name to create a snapshot, the name of the snapshot is returned. Otherwise, no value is returned for this parameter.

SourceFileSystemId String extreme-012****

The ID of the source file system.

This parameter is retained even if the source file system of the snapshot is deleted.
SourceFileSystemSize Long 2000

The capacity of the source file system.

Unit: GiB.
SourceFileSystemVersion String 1

The version of the source file system.
Status String accomplished

The status of the snapshot.

Valid values:

  • progressing: The snapshot is being created.
  • accomplished: The snapshot is created.
  • failed: The snapshot fails to be created.
TotalCount Integer 36

The total number of snapshots.

Examples

Sample requests

http(s)://[Endpoint]/? Action=DescribeSnapshots
&FileSystemType=extreme
&<Common request parameters>

Sample success responses

XML format 

<TotalCount>36</TotalCount>
<PageSize>10</PageSize>
<RequestId>473469C7-AA6F-4DC5-B3DB-A3DC0DE3****</RequestId>
<PageNumber>1</PageNumber>
<Snapshots>
    <Snapshot>
        <Status>accomplished</Status>
        <Progress>100</Progress>
        <Description>FinanceDept</Description>
        <SourceFileSystemVersion>1</SourceFileSystemVersion>
        <CreateTime>2014-07-24T13:00:52Z</CreateTime>
        <SourceFileSystemId>extreme-012****</SourceFileSystemId>
        <RetentionDays>30</RetentionDays>
        <SnapshotName>FinanceJoshua</SnapshotName>
        <SnapshotId>s-extreme-snapsho****</SnapshotId>
        <SourceFileSystemSize>2000</SourceFileSystemSize>
        <EncryptType>1</EncryptType>
        <RemainTime>38</RemainTime>
    </Snapshot>
</Snapshots>

JSON format 

{
    "TotalCount": 36,
    "PageSize": 10,
    "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3****",
    "PageNumber": 1,
    "Snapshots": {
        "Snapshot": {
            "Status": "accomplished",
            "Progress": 100,
            "Description": "FinanceDept",
            "SourceFileSystemVersion": 1,
            "CreateTime": "2014-07-24T13:00:52Z",
            "SourceFileSystemId": "extreme-012****",
            "RetentionDays": 30,
            "SnapshotName": "FinanceJoshua",
            "SnapshotId": "s-extreme-snapsho****",
            "SourceFileSystemSize": 2000,
            "EncryptType": 1,
            "RemainTime": 38
        }
    }
}

Error codes

For a list of error codes, visit the API Error Center.