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server: Implement --ignore-disks for ignoring disks from healing. (#2158)

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By default server heals/creates missing directories and re-populates
`format.json`, in some scenarios when disk is down for maintainenance
it would be beneficial for users to ignore such disks rather than
mistakenly using `root` partition.

Fixes #2128
This commit is contained in:
Harshavardhana
2016-07-10 14:38:15 -07:00
committed by Anand Babu (AB) Periasamy
parent 0793237d94
commit bdff0848ed
8 changed files with 100 additions and 54 deletions
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15
routers.go
View File

@@ -23,16 +23,15 @@ import (
router "github.com/gorilla/mux"
)
// newObjectLayer - initialize any object layer depending on the
// number of export paths.
func newObjectLayer(exportPaths []string) (ObjectLayer, error) {
if len(exportPaths) == 1 {
exportPath := exportPaths[0]
// newObjectLayer - initialize any object layer depending on the number of disks.
func newObjectLayer(disks, ignoredDisks []string) (ObjectLayer, error) {
if len(disks) == 1 {
exportPath := disks[0]
// Initialize FS object layer.
return newFSObjects(exportPath)
}
// Initialize XL object layer.
objAPI, err := newXLObjects(exportPaths)
objAPI, err := newXLObjects(disks, ignoredDisks)
if err == errXLWriteQuorum {
return objAPI, errors.New("Disks are different with last minio server run.")
}
@@ -41,11 +40,11 @@ func newObjectLayer(exportPaths []string) (ObjectLayer, error) {
// configureServer handler returns final handler for the http server.
func configureServerHandler(srvCmdConfig serverCmdConfig) http.Handler {
objAPI, err := newObjectLayer(srvCmdConfig.exportPaths)
objAPI, err := newObjectLayer(srvCmdConfig.disks, srvCmdConfig.ignoredDisks)
fatalIf(err, "Unable to intialize object layer.")
// Initialize storage rpc server.
storageRPC, err := newRPCServer(srvCmdConfig.exportPaths[0]) // FIXME: should only have one path.
storageRPC, err := newRPCServer(srvCmdConfig.disks[0]) // FIXME: should only have one path.
fatalIf(err, "Unable to initialize storage RPC server.")
// Initialize API.