show pal fai
Function
Parameters
Parameter |
Description |
Value |
|---|---|---|
| file_system_id=? | ID of the file system to be queried. | To obtain the value, run the "show file_system general" command. |
| controller=? | Controller ID. | The value is in the format of "XA" or "XB" or "XC" or "XD", where the "X" is an integer ranging from 0 to 3, for example: "0A", "1C". |
Example
Query FAI information of file system "1".
developer:/>show pal fai file_system_id=1 FAI Addr : 0xffff880a9bb8f268 Magic : 20110420 FAI Fs ID : 1 Version : 2 Reference Count : 1 Is Init : 1 Is Used : 1 Root Object ID : 3 Volume ID : 274877906945 IO Switch : Start IO Count : 0 Total IO Count : 0 User Pool Free Capacity : 0 Fs Status : Normal Fs Repair Status : Null RW Status : Read Write Background Serivce Status : On Hang Count : 0 Block Count : 0 Config Fs ID : 1 Fs Name : fs1 Is Read Only : 0 Is Cache Migrating : 0 Space ID : 1 Disk Pool ID : 0 User Pool ID : 0 Auto Update Atime : 0 Work Controller ID : 0 Owner Controller ID : 0 Final Work Controller ID : 0 Home Pair ID : 0 Fs Alloc Type : 1 Fs Capacity : 35184372088832(sector) Fs WWN : 79-BF-21-81-FF-FF-FF-FF-15-FB-C7-66-01-88-FF-00 Qos Priority : 4 Block Size : 65536 CRC : 1
System Response
The following table describes the parameter meanings.
Parameter |
Meaning |
|---|---|
| FAI Addr | Address of the FAI memory structure. |
| Magic | Magic number of the FAI structure. |
| FAI Fs ID | File system ID on the service layer. |
| Version | File system version. |
| Reference Count | Count of FAI memory structure references. |
| Is Init | Whether the FAI structure is initialized. |
| Is Used | Whether the file system is used. |
| Root Object ID | ID of the root directory object. |
| Volume ID | ID of the file system or writable snapshot. |
| IO Switch | Variable for describing file system status. |
| IO Count | Count of execution operations delivered by the file system. |
| Total IO Count | Count of execution operations delivered by the file system and associated snapshots. |
| User Pool Free Capacity | Available space of the user pool, expressed in sectors. This parameter is used for space statistics and set and controlled by the system. |
| Fs Status | File system status. |
| Fs Repair Status | Data repair status of the file system. |
| RW Status | Read/Write status of the file system. |
| Background Serivce Status | Whether the background service is enabled. |
| Hang Count | Count of I/O suspension by the file system. |
| Block Count | Count of I/O blocking by the file system. |
| Config Fs ID | File system ID. |
| Fs Name | File system name. |
| Is Read Only | Whether the file system is marked as read-only. |
| Is Cache Migrating | Tag of cache partitioning by the file system. |
| Space ID | ID of the file system distributor. |
| Disk Pool ID | ID of the disk pool to which the file system belongs. |
| User Pool ID | ID of the user pool to which the file system belongs. |
| Auto Update Atime | Whether updating file access time is enabled for the file system. |
| Work Controller ID | ID of the working controller of the file system. |
| Owner Controller ID | ID of the owning controller of the file system. |
| Final Work Controller ID | ID of the final working controller of the file system. |
| Home Pair ID | ID of the home engine of the file system. |
| Fs Alloc Type | Allocation type of the file system Dev LUN. |
| Fs Capacity | File system capacity. |
| Fs WWN | File system WWN. |
| Qos Priority | REQ priority. |
| Block Size | Block size of the file system. |
| CRC | CRC code of the file system. |
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