Oracle Internal Table X$BH Buffer Hash

from http://oracle-abc.wikidot.com/x-bh

Buffer Hash(according to J. Morle's Scaling Oracle 8i)
Another explaining is Buffer Header.

Columns

ver 10.2.0.4
> x$bh
 Name         Type
 ------------ -----------
 ADDR         RAW(8)
 INDX         NUMBER
 INST_ID      NUMBER
 HLADDR       RAW(8)
 BLSIZ        NUMBER
 NXT_HASH     RAW(8)
 PRV_HASH     RAW(8)
 NXT_REPL     RAW(8)
 PRV_REPL     RAW(8)
 FLAG         NUMBER
 RFLAG        NUMBER
 SFLAG        NUMBER
 LRU_FLAG     NUMBER
 TS#          NUMBER
 FILE#        NUMBER
 DBARFIL      NUMBER
 DBABLK       NUMBER
 CLASS        NUMBER
 STATE        NUMBER
 MODE_HELD    NUMBER
 CHANGES      NUMBER
 CSTATE       NUMBER
 LE_ADDR      RAW(8)
 DIRTY_QUEUE  NUMBER
 SET_DS       RAW(8)
 OBJ          NUMBER
 BA           RAW(8)
 CR_SCN_BAS   NUMBER
 CR_SCN_WRP   NUMBER
 CR_XID_USN   NUMBER
 CR_XID_SLT   NUMBER
 CR_XID_SQN   NUMBER
 CR_UBA_FIL   NUMBER
 CR_UBA_BLK   NUMBER
 CR_UBA_SEQ   NUMBER
 CR_UBA_REC   NUMBER
 CR_SFL       NUMBER
 CR_CLS_BAS   NUMBER
 CR_CLS_WRP   NUMBER
 LRBA_SEQ     NUMBER
 LRBA_BNO     NUMBER
 HSCN_BAS     NUMBER
 HSCN_WRP     NUMBER
 HSUB_SCN     NUMBER
 US_NXT       RAW(8)
 US_PRV       RAW(8)
 WA_NXT       RAW(8)
 WA_PRV       RAW(8)