Block recovery errors
We are observing errors like as listed below in our production 11.2.0.3 on Linux:
Reconstructing Uhdr 0x335726a0 for xcb 0x118a2444d8, pmd 0x118b21e140
Tue Nov 26 17:57:26 2013
Flush retried for xcb 0x1179ca02f8, pmd 0x11969b69a0
Tue Nov 26 17:57:57 2013
Flush retried for xcb 0x1195be8460, pmd 0x117aaaee78
Tue Nov 26 17:57:59 2013
Reconstructing Uhdr 0x33000840 for xcb 0x11555cf940, pmd 0x118b421f00
Tue Nov 26 17:59:25 2013
Block recovery from logseq 140030, block 738397 to scn 27583972861
Tue Nov 26 17:59:25 2013
Block recovery from logseq 140032, block 579179 to scn 27583974117
Recovery of Online Redo Log: Thread 1 Group 8 Seq 140032 Reading mem 0
Mem# 0: /oracle/PIN/origlogB/log_g18m1.dbf