bmblock subcommand
The bmblock subcommand displays the Enhanced Journaled File System (JFS2) metadata block and tries to lookup the hash value for a particular block and see if it exists in the cache.
Format
bmblock ipAddr xoff block | page | raw
Parameters
| Item | Description |
|---|---|
| ipAddr | Specifies the address of an inode. |
| xoff | Specifies the offset. |
| block, page, raw | Specifies the page buffer type. One of these values must be provided. |
Other
bmb, bmblk
Examples
The following is an example of how to use the bmb alias for the bmblock subcommand:
(0)> bmb 0xF10010F00F655C80 1C72F block
Hashclass @ F10010F00F4957D0
Pager buffer @ F10010F00F73C128
xflag........0x0000000A BUFFER BLOCK
nohomeok.....0x00000000
lid..........0x0000000000000000
flags........0x00020011 METADATA IODONE HIT
count................0x00000000 cacheClass...........0x00000002
data.........0xF10010A11006E000 logx.........0x0000000000000000
syncList.nxt.0x0000000000000000 syncList.prv.0x0000000000000000
ip...........0xF10010F00F655C80 pagerObject..0xF10010F00F2BB0C8
pageList.nxt.0xF10010F00F310DE8 pageList.prv.0xF10010F00F73C330
hashList.nxt.0x0000000000000000 hashList.prv.0xF10010F00F4957D0
cacheLst.nxt.0xF10010F0107EE058 cacheLst.prv.0xF10010F00F8F22E8
freeList.nxt.0xF10010F0107EE058 freeList.prv.0xF10010F00F8F22E8
ioListNext...0xF10010F0107EE058 ioNext.......0x0000000000000000
iobp.........0xF10010F00F73C058 ioWait.......0xFFFFFFFFFFFFFFFF
waitList.....0xFFFFFFFFFFFFFFFF
lsn..........0x0000000000000000 clsn.........0x0000000000000000
xoffset......0x000000000001C72F pxd..........0x000000000001C72F