fix: remove inode free as part of SameDisk check

[harshavardhana]

Description

fix: remove inode free as part of SameDisk check

Motivation and Context

attempts to reduce room for errors as inodes free
are rather not reliable on Linux

How to test this PR?

Test with minio server /tmp/disk{1...4}/export{1...4} where /tmp shares
the disk space with root disk /

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• Fixes a regression (If yes, please add commit-id or PR # here)
• Documentation needed
• Unit tests needed

[minio-trusted]

Mint Automation

Test	Result
mint-large-bucket.sh	✔️
mint-fs.sh	✔️
mint-gateway-s3.sh	✔️
mint-erasure.sh	✔️
mint-dist-erasure.sh	✔️
mint-zoned.sh	✔️
mint-gateway-nas.sh	✔️
mint-gateway-azure.sh	❌ more...

11107-10f4cbb/mint-gateway-azure.sh.log:

Running with
SERVER_ENDPOINT:      minio-dev8.minio.io:30453
ACCESS_KEY:           minioazure
SECRET_KEY:           ***REDACTED***
ENABLE_HTTPS:         0
SERVER_REGION:        us-east-1
MINT_DATA_DIR:        /mint/data
MINT_MODE:            full
ENABLE_VIRTUAL_STYLE: 0

To get logs, run 'docker cp 12ec9ba80334:/mint/log /tmp/mint-logs'

(1/15) Running aws-sdk-go tests ... done in 9 seconds
(2/15) Running aws-sdk-java tests ... done in 2 seconds
(3/15) Running aws-sdk-php tests ... FAILED in 2 minutes and 37 seconds
{
  "name": "aws-sdk-php",
  "function": "getBucketPolicy ( array $params = [] )",
  "args": {
    "Bucket": "aws-sdk-php-5fd811b6764f3"
  },
  "duration": "40870",
  "status": "FAIL",
  "error": "Error executing \"CreateBucket\" on \"http://minio-dev8.minio.io:30453/aws-sdk-php-5fd811b6764f3\"; AWS HTTP error: Client error: `PUT http://minio-dev8.minio.io:30453/aws-sdk-php-5fd811b6764f3` resulted in a `404 Not Found` response:\n<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Error><Code>NoSuchBucket</Code><Message>The specified bucket does not exist</Mes (truncated...)\n NoSuchBucket (client): The specified bucket does not exist - <?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<Error><Code>NoSuchBucket</Code><Message>The specified bucket does not exist</Message><BucketName>aws-sdk-php-5fd811b6764f3</BucketName><Resource>/aws-sdk-php-5fd811b6764f3</Resource><RequestId>1650BFD4B0547315</RequestId><HostId>5aaae164-b29c-4ba6-a6c4-956b77626f5e</HostId></Error>"
}
(3/15) Running aws-sdk-ruby tests ... done in 21 seconds
(4/15) Running awscli tests ... done in 2 minutes and 46 seconds
(5/15) Running healthcheck tests ... done in 5 seconds
(6/15) Running mc tests ... done in 4 minutes and 13 seconds
(7/15) Running minio-dotnet tests ... done in 1 minutes and 44 seconds
(8/15) Running minio-go tests ... done in 6 minutes and 55 seconds
(9/15) Running minio-java tests ... FAILED in 9 minutes and 15 seconds
{
  "name": "minio-java",
  "function": "putObject()",
  "args": "[user metadata]",
  "duration": 177,
  "status": "FAIL",
  "error": "error occurred\nErrorResponse(code = AuthenticationFailed, message = -> github.com/Azure/azure-storage-blob-go/azblob.newStorageError, github.com/Azure/azure-storage-blob-go@v0.10.0/azblob/zc_storage_error.go:42\n===== RESPONSE ERROR (ServiceCode=AuthenticationFailed) =====\nDescription=Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.\nRequestId:69689924-201e-0002-4685-d2ef14000000\nTime:2020-12-15T01:58:25.9444337Z, Details: \n   AuthenticationErrorDetail: The MAC signature found in the HTTP request '8jak5wC56CHcITxsIhFFEmVpmrPXv4xHPfF2O1NXeIE=' is not the same as any computed signature. Server used following string to sign: 'PUT\n\n\n128\n\napplication/xml\n\n\n\n\n\n\nx-ms-blob-cache-control:\nx-ms-blob-content-disposition:\nx-ms-blob-content-encoding:\nx-ms-blob-content-language:\nx-ms-blob-content-type:application/octet-stream\nx-ms-client-request-id:a9c38310-b586-4f71-5621-30cdc1087355\nx-ms-date:Tue, 15 Dec 2020 01:58:25 GMT\nx-ms-meta-my_header1:a   b   c\nx-ms-meta-my_header2:\"a   b   c\"\nx-ms-meta-my_project:Project One\nx-ms-meta-my_unicode_tag:商å“�\nx-ms-version:2019-02-02\n/minioazure/minio-java-test-2hnajnn/minio-java-test-8glv78\ncomp:blocklist\ntimeout:1501'.\n   Code: AuthenticationFailed\n   PUT https://minioazure.blob.core.windows.net/minio-java-test-2hnajnn/minio-java-test-8glv78?comp=blocklist&timeout=1501\n   Authorization: REDACTED\n   Content-Length: [128]\n   Content-Type: [application/xml]\n   User-Agent: [APN/1.0 MinIO/1.0 MinIO/2020-12-15T01:24:14Z]\n   X-Ms-Blob-Cache-Control: []\n   X-Ms-Blob-Content-Disposition: []\n   X-Ms-Blob-Content-Encoding: []\n   X-Ms-Blob-Content-Language: []\n   X-Ms-Blob-Content-Type: [application/octet-stream]\n   X-Ms-Client-Request-Id: [a9c38310-b586-4f71-5621-30cdc1087355]\n   X-Ms-Date: [Tue, 15 Dec 2020 01:58:25 GMT]\n   X-Ms-Meta-My_header1: [a   b   c]\n   X-Ms-Meta-My_header2: [\"a   b   c\"]\n   X-Ms-Meta-My_project: [Project One]\n   X-Ms-Meta-My_unicode_tag: [商品]\n   X-Ms-Version: [2019-02-02]\n   --------------------------------------------------------------------------------\n   RESPONSE Status: 403 Server failed to authenticate the request. Make sure the value of Authorization header is formed correctly including the signature.\n   Content-Length: [1091]\n   Content-Type: [application/xml]\n   Date: [Tue, 15 Dec 2020 01:58:25 GMT]\n   Server: [Microsoft-HTTPAPI/2.0]\n   X-Ms-Error-Code: [AuthenticationFailed]\n   X-Ms-Request-Id: [69689924-201e-0002-4685-d2ef14000000]\n\n\n, bucketName = minio-java-test-2hnajnn, objectName = minio-java-test-8glv78, resource = /minio-java-test-2hnajnn/minio-java-test-8glv78, requestId = 1650C13646C50A5B, hostId = 5aaae164-b29c-4ba6-a6c4-956b77626f5e)\nrequest={method=PUT, url=http://minio-dev8.minio.io:30453/minio-java-test-2hnajnn/minio-java-test-8glv78, headers=x-amz-meta-My-Unicode-Tag: 商品\nx-amz-meta-My-Project: Project One\nx-amz-meta-My-header1: a   b   c\nx-amz-meta-My-Header2: \"a   b   c\"\nContent-Type: application/octet-stream\nHost: minio-dev8.minio.io:30453\nAccept-Encoding: identity\nUser-Agent: MinIO (Linux; amd64) minio-java/8.0.3\nContent-MD5: A9oFTxee7YVcJ9fWsgQeKg==\nx-amz-content-sha256: 1ff7959f86334ddc5c188a5083268f600146328b2b6c5185e75bf7d9387d6b74\nx-amz-date: 20201215T015825Z\nAuthorization: AWS4-HMAC-SHA256 Credential=*REDACTED*/20201215/us-east-1/s3/aws4_request, SignedHeaders=content-md5;host;x-amz-content-sha256;x-amz-date;x-amz-meta-my-header1;x-amz-meta-my-header2;x-amz-meta-my-project;x-amz-meta-my-unicode-tag, Signature=*REDACTED*\n}\nresponse={code=403, headers=Accept-Ranges: bytes\nContent-Length: 3082\nContent-Security-Policy: block-all-mixed-content\nContent-Type: application/xml\nServer: MinIO\nVary: Origin\nX-Amz-Request-Id: 1650C13646C50A5B\nX-Xss-Protection: 1; mode=block\nDate: Tue, 15 Dec 2020 01:58:25 GMT\n}\n >>> [io.minio.MinioClient.execute(MinioClient.java:775), io.minio.MinioClient.putObject(MinioClient.java:4547), io.minio.MinioClient.putObject(MinioClient.java:2713), io.minio.MinioClient.putObject(MinioClient.java:2830), FunctionalTest.testPutObject(FunctionalTest.java:763), FunctionalTest.putObject(FunctionalTest.java:890), FunctionalTest.runObjectTests(FunctionalTest.java:3751), FunctionalTest.runTests(FunctionalTest.java:3783), FunctionalTest.main(FunctionalTest.java:3927)]"
}
(9/15) Running minio-js tests ... done in 2 minutes and 50 seconds
(10/15) Running minio-py tests ... done in 19 minutes and 6 seconds
(11/15) Running s3cmd tests ... done in 2 minutes and 24 seconds
(12/15) Running s3select tests ... done in 58 seconds
(13/15) Running security tests ... done in 0 seconds

Executed 13 out of 15 tests successfully.

Deleting image on docker hub
Deleting image locally

[vadmeste]

LGTM

[kannappanr]

LGTM