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masterbrian
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PostPosted: Fri Aug 03, 2007 3:53 pm    Post subject: xfs_repair e Phase 5 Reply with quote

Ciao a tutti,

da qualche giorno, sto cercando di recuperare i dati da un raid di dischi formattati in xfs.

Riassemblato opportunamente il raid, senza grossa sopresa, mi sono accorto che la partizione xfs da circa 750 giga aveva dei problemi.

Ho lanciato xfs_repair e ho ottenuto, dopo decine di tentativi, questo messaggio:

Code:

Phase 5 - rebuild AG headers and trees...
*** glibc detected *** xfs_repair: munmap_chunk(): invalid pointer: 0xb6176008 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7e0c950]
xfs_repair[0x8061d3d]
xfs_repair[0x806afc1]
xfs_repair[0x807c6c8]
/lib/libc.so.6(__libc_start_main+0xd8)[0xb7dbe838]
xfs_repair[0x8049591]
======= Memory map: ========
08048000-080cd000 r-xp 00000000 07:00 8490       /mnt/livecd/sbin/xfs_repair
080cd000-080ce000 rw-p 00085000 07:00 8490       /mnt/livecd/sbin/xfs_repair
080ce000-1bc53000 rw-p 080ce000 00:00 0          [heap]
b20f2000-b20f3000 ---p b20f2000 00:00 0
b20f3000-b61f7000 rw-p b20f3000 00:00 0
b7913000-b791d000 r-xp 00000000 07:00 9487       /mnt/livecd/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libgcc_s.so.1
b791d000-b791e000 rw-p 00009000 07:00 9487       /mnt/livecd/usr/lib/gcc/i686-pc-linux-gnu/4.1.1/libgcc_s.so.1
b7925000-b7da9000 rw-p b7925000 00:00 0
b7da9000-b7ecc000 r-xp 00000000 07:00 7322       /mnt/livecd/lib/libc-2.5.so
b7ecc000-b7ecd000 r--p 00122000 07:00 7322       /mnt/livecd/lib/libc-2.5.so
b7ecd000-b7ecf000 rw-p 00123000 07:00 7322       /mnt/livecd/lib/libc-2.5.so
b7ecf000-b7ed2000 rw-p b7ecf000 00:00 0
b7ed2000-b7ed9000 r-xp 00000000 07:00 7421       /mnt/livecd/lib/librt-2.5.so
b7ed9000-b7edb000 rw-p 00006000 07:00 7421       /mnt/livecd/lib/librt-2.5.so
b7edb000-b7eee000 r-xp 00000000 07:00 7402       /mnt/livecd/lib/libpthread-2.5.so
b7eee000-b7eef000 r--p 00012000 07:00 7402       /mnt/livecd/lib/libpthread-2.5.so
b7eef000-b7ef0000 rw-p 00013000 07:00 7402       /mnt/livecd/lib/libpthread-2.5.so
b7ef0000-b7ef2000 rw-p b7ef0000 00:00 0
b7ef2000-b7ef4000 r-xp 00000000 07:00 7435       /mnt/livecd/lib/libuuid.so.1.2
b7ef4000-b7ef5000 rw-p 00001000 07:00 7435       /mnt/livecd/lib/libuuid.so.1.2
b7efc000-b7efd000 rw-p b7efc000 00:00 0
b7efd000-b7f17000 r-xp 00000000 07:00 7296       /mnt/livecd/lib/ld-2.5.so
b7f17000-b7f18000 r--p 00019000 07:00 7296       /mnt/livecd/lib/ld-2.5.so
b7f18000-b7f19000 rw-p 0001a000 07:00 7296       /mnt/livecd/lib/ld-2.5.so
bfd33000-bfd49000 rw-p bfd33000 00:00 0          [stack]
ffffe000-fffff000 r-xp 00000000 00:00 0          [vdso]
Aborted


ora se non sbaglio le fasi di recovery di xfs sono 8.

Ho provato diversi livecd, di gentoo e non, e ho ottenuto sempre lo stesso risultato. Temo che si tratti di un bug, ma prima di passare a software come photorec, vorrei sapere se esiste un qualunque modo x accedere alla partizione.

P.s. so che il backup va fatto, ma il sistema che si e' guastato era di un mio amico, che ho gia' abbondantemente sgridato :) Quindi non mi dite: devi fare il backup... ecc pls :)
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Peach
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Location: London, UK

PostPosted: Sat Aug 04, 2007 12:12 am    Post subject: Reply with quote

che arch?
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masterbrian
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PostPosted: Thu Aug 09, 2007 8:30 am    Post subject: Reply with quote

Peach wrote:
che arch?


Scusa per la risposta un po' lenta. L'architettura e' amd64 (livecd), ma ho provato anche col livecd x86. Nessuna differenza.

Nessuna idea?
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Peach
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PostPosted: Sat Aug 18, 2007 8:22 am    Post subject: Reply with quote

se è lo stai facendo dall'ultimo livecd sinceramente mi pare strano ti dia quell'errore.
forse aprendo un bugreport su bugzilla è l'unica soluzione???
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