Recover Berkeley DB File

[Panayotis Tsiamis]

Ma kala oute mia apantisi apo oli ti koinotita den pira se kati pou 
kanonika einai aplo gia tous "guru" tou linux pou apartizoun tin eliniki 
linux koinotita?

Apo oti fenete oi ellhnes "veteranoi" tou unix xrisimopioun tis 
ikanotites tous mono sto kanoun ton daskalo stous kainourgious xristes 
linux kai apofeugoun tis diskoles erotiseis gia na mi fanoun adahs oste 
na exoun ena kalo profile.


O/H Panayotis Tsiamis έγραψε:
> To problima einai to exeis, kratao se bdb dns lookups
> pou kanei o webaliser alla ana takta xronika diastimata
> ginete corrupted. Yparxei tropos oste na mporo na ti kano recover
> i tha anagasto na balo ena djbdns cache sto mixanaki?
>
> $ file dns_cache.db.old.2
> dns_cache.db.old.2: Berkeley DB (Hash, version 8, native byte-order)
>
> $ db_verify dns_cache.db.old.2
> db_verify dns_cache.db.old.2
> db_verify: Page 860: item 128 hashes incorrectly
> db_verify: Page 861: item 134 hashes incorrectly
> db_verify: Page 2134: item 6 hashes incorrectly
> db_verify: Page 2934: non-empty page in unused hash bucket 2329
> db_verify: Page 0: page 4824 encountered a second time on free list
> db_verify: DB->verify: dns_cache.db.old.2: DB_VERIFY_BAD: Database 
> verification failed
>
>
> $ db_stat -d dns_cache.db.old.2
> 61561   Hash magic number.
> 8       Hash version number.
> Flags:  little-endian
> 4096    Underlying database page size.
> 0       Specified fill factor.
> 149359  Number of keys in the database.
> 149359  Number of data items in the database.
> 2329    Number of hash buckets.
> 1584766 Number of bytes free on bucket pages (83% ff).
> 0       Number of overflow pages.
> 0       Number of bytes free in overflow pages (0% ff).
> 778     Number of bucket overflow pages.
> 2866515 Number of bytes free in bucket overflow pages (10% ff).
> 0       Number of duplicate pages.
> 0       Number of bytes free in duplicate pages (0% ff).
> 1       Number of pages on the free list.
>
>
> --
> thnx panayotis
>
>
>