From 1f2d2863b43a8d802bdcc3524190a40e3cff176c Mon Sep 17 00:00:00 2001
From: wanyaoqi <18528551+wanyaoqi@users.noreply.github.com>
Date: Fri, 21 Feb 2025 10:23:15 +0800
Subject: [PATCH] fix(region): lvm disk path add dev prefix (#22105)

---
 pkg/apis/compute/storage_const.go |  1 +
 pkg/compute/models/disks.go       | 15 +++++++++++----
 2 files changed, 12 insertions(+), 4 deletions(-)

diff --git a/pkg/apis/compute/storage_const.go b/pkg/apis/compute/storage_const.go
index d8bd8cd235..8f888277e4 100644
--- a/pkg/apis/compute/storage_const.go
+++ b/pkg/apis/compute/storage_const.go
@@ -181,6 +181,7 @@ var (
 
 	SHARED_FILE_STORAGE = []string{STORAGE_NFS, STORAGE_GPFS}
 	FIEL_STORAGE        = []string{STORAGE_LOCAL, STORAGE_NFS, STORAGE_GPFS, STORAGE_LVM, STORAGE_CLVM, STORAGE_SLVM}
+	LVM_STORAGE         = []string{STORAGE_LVM, STORAGE_CLVM, STORAGE_SLVM}
 
 	// supported shared storage types
 	SHARED_STORAGE = []string{STORAGE_NFS, STORAGE_GPFS, STORAGE_RBD, STORAGE_CLVM, STORAGE_SLVM}
diff --git a/pkg/compute/models/disks.go b/pkg/compute/models/disks.go
index 1b2e6b631e..011e4c800a 100644
--- a/pkg/compute/models/disks.go
+++ b/pkg/compute/models/disks.go
@@ -1384,15 +1384,22 @@ func (self *SDisk) GetCloudprovider() *SCloudprovider {
 }
 
 func (self *SDisk) GetPathAtHost(host *SHost) string {
+	usedStorageId := self.StorageId
 	hostStorage := host.GetHoststorageOfId(self.StorageId)
-	if hostStorage != nil {
-		return path.Join(hostStorage.MountPoint, self.Id)
-	} else if len(self.BackupStorageId) > 0 {
+	if hostStorage == nil {
 		hostStorage = host.GetHoststorageOfId(self.BackupStorageId)
 		if hostStorage != nil {
-			return path.Join(hostStorage.MountPoint, self.Id)
+			usedStorageId = self.BackupStorageId
 		}
 	}
+	if hostStorage != nil {
+		storage := StorageManager.FetchStorageById(usedStorageId)
+		hostpath := path.Join(hostStorage.MountPoint, self.Id)
+		if storage != nil && utils.IsInStringArray(storage.StorageType, api.LVM_STORAGE) {
+			hostpath = path.Join("/dev", hostpath)
+		}
+		return hostpath
+	}
 	return ""
 }