"File System Repair" (APP/LFS)

ITOS Mnemonic:  LFSSYSREPAIR

View Options: (help)

Focus:	Maintenance / Operation
Structures:	Abstract / Concrete

Context:

Description:

Run the VxWorks chkdsk utility on the target device with the repair flag set to true. WARNING: This telecommand may result in the deletion of corrupted files for the sake of returning the partition to a consistent state.

Layout:  (hide detail; help)

File System Repair (SysRepair) Telecommand Packet Format
0x	0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15
000	Version=0			T=1	SH	APID=0x649:2
002	SF=3		Sequence Count
004	Packet Length=11
006	0	Function Code=2
008	NODEPAD flag
00A	PAD16 pad16
00C	FILEID fileID
010	Packet Checksum

SysRepair (pkt)
|  NODEPAD flag (bf)
|  |  NODE nid (0-3)
|  |  PAD12 pad12 (4-15)
|  PAD16 pad16 (fld)
|  FILEID fileID (fld)

typedef struct _LFS_SysRepair_Pkt {

    /* CCSDS header */
    char                 hdr[8];

    /* Command payload */
    LFS_SysRepair_Prm    pay;

} LFS_SysRepair_Pkt;

Fields:

FILEID (index)

Attribute(s):  

Brief:  "File Storage ID"

Instance(s):  fileID

NODEPAD (index)

Attribute(s):  

Brief:  "Compound of node ID and padding"

Instance(s):  flag

Compound of node ID and padding

PAD16 (index)

Attribute(s):  

Brief:  "16-bit padding"

Instance(s):  pad16