CFSMount Agent
| Description
|
Brings online, takes offline, and monitors a cluster file system mount point. The CFSMount agent executable is /opt/VRTSvcs/bin/CFSMount/CFSMountAgent. The type definition is in the file /etc/VRTSvcs/conf/config/CFSTypes.cf.
|
|---|
| Entry Points
|
- Online---Mounts a block device or file system snapshot in cluster mode.
- Offline---Unmounts the file system (doing a forced unmount if necessary).
- Monitor---Determines if the file system is mounted. Checks mount status using the fsclustadm command.
- Clean---A null operation for a cluster file system mount.
- attr_change---Remounts file system with new mount option; sets new primary for file system; sets fsclustadm policy on file system.
|
|---|
| Required Attributes
|
Type and
Dimension
|
Definition
|
|---|
BlockDevice
|
string-scalar
|
Block device for mount point.
|
MountPoint
|
string-scalar
|
Directory for mount point.
|
NodeList
|
string-keylist
|
List of nodes on which to mount.
|
| Optional Attributes
|
Type and
Dimension
|
Definition
|
Policy
|
string-scalar
|
Node list for the primary file system selection policy.
|
MountOpt
|
string-scalar
|
Options for the mount command. To create a valid MountOpt attribute string:
- Use VxFS type-specific options only.
- Do not use the –o flag to specify the VxFS-specific options.
- Do not use the –F vxfs file system type option.
- The cluster option is not required.
- Specify options in a comma-separated list as in these examples:
ro
ro,cluster
blkclear,mincache=closesync
|
| Internal Attributes
|
MountType, Primary, SetPrimary, RemountRes, ForceOff
|
Not user-configured---used only by system.
|
Type Definition
type CFSMount (
static int RestartLimit = 2
static str LogLevel
static str ArgList[] = {MountPoint, BlockDevice, MountOpt}
NameRule = resource.MountPoint
str MountPoint
str BlockDevice
str MountOpt
)
Sample Configuration
CFSMount testdg_test01_fsetpri (
Critical = 0
mountPoint = "/mnt1"
BlockDevice = "/dev/vx/dsk/testdg/test01"
)
CFSMount testdg_test02_fsetpri (
Critical = 0
MountPoint = "/mnt2"
BlockDevice = "/dev/vx/dsk/testdg/test02"
MountOpt = "blkclear,mincache=closesync"
)
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