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fix: when parityDrives hits > len(storageDisks)/2, keep maxParity (#12387)

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Additionally move out `x-minio-internal-erasure-upgraded` from HTTP headers
list, as its an internal header, rename elsewhere accordingly.
This commit is contained in:
Harshavardhana 2021-05-27 13:38:04 -07:00 committed by GitHub
parent acc452b7ce
commit 89bb9f17d7
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GPG Key ID: 4AEE18F83AFDEB23
4 changed files with 12 additions and 9 deletions
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3
cmd/erasure-metadata.go
View File

@ -32,6 +32,9 @@ import (
"github.com/minio/minio/pkg/sync/errgroup"
)
// Object was stored with additional erasure codes due to degraded system at upload time
const minIOErasureUpgraded = "x-minio-internal-erasure-upgraded"
const erasureAlgorithm = "rs-vandermonde"
// byObjectPartNumber is a collection satisfying sort.Interface.

7
cmd/erasure-multipart.go
View File

@ -289,9 +289,10 @@ func (er erasureObjects) newMultipartUpload(ctx context.Context, bucket string,
parityDrives = er.defaultParityCount
}
ecOrg := parityDrives
parityOrig := parityDrives
for _, disk := range onlineDisks {
if parityDrives >= len(onlineDisks)/2 {
parityDrives = len(onlineDisks) / 2
break
}
if disk == nil {
@ -303,8 +304,8 @@ func (er erasureObjects) newMultipartUpload(ctx context.Context, bucket string,
parityDrives++
}
}
if ecOrg != parityDrives {
opts.UserDefined[xhttp.MinIOErasureUpgraded] = fmt.Sprintf("%d->%d", ecOrg, parityDrives)
if parityOrig != parityDrives {
opts.UserDefined[minIOErasureUpgraded] = strconv.Itoa(parityOrig) + "->" + strconv.Itoa(parityDrives)
}
dataDrives := len(onlineDisks) - parityDrives

8
cmd/erasure-object.go
View File

@ -25,6 +25,7 @@ import (
"io"
"net/http"
"path"
"strconv"
"strings"
"sync"
@ -601,9 +602,10 @@ func (er erasureObjects) putObject(ctx context.Context, bucket string, object st
}
// If we have offline disks upgrade the number of erasure codes for this object.
ecOrg := parityDrives
parityOrig := parityDrives
for _, disk := range storageDisks {
if parityDrives >= len(storageDisks)/2 {
parityDrives = len(storageDisks) / 2
break
}
if disk == nil {
@ -614,8 +616,8 @@ func (er erasureObjects) putObject(ctx context.Context, bucket string, object st
parityDrives++
}
}
if ecOrg != parityDrives {
opts.UserDefined[xhttp.MinIOErasureUpgraded] = fmt.Sprintf("%d->%d", ecOrg, parityDrives)
if parityOrig != parityDrives {
opts.UserDefined[minIOErasureUpgraded] = strconv.Itoa(parityOrig) + "->" + strconv.Itoa(parityDrives)
}
}
dataDrives := len(storageDisks) - parityDrives

3
cmd/http/headers.go
View File

@ -156,9 +156,6 @@ const (
// Reports number of drives currently healing
MinIOHealingDrives = "x-minio-healing-drives"
// Object was stored with additional erasure codes due to degraded system at upload time
MinIOErasureUpgraded = "x-minio-internal-erasure-upgraded"
// Header indicates if the delete marker should be preserved by client
MinIOSourceDeleteMarker = "x-minio-source-deletemarker"