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Re: [TEKNIK] Ubuntu server filsystem mounted sit eget filsystem ro ?



Den 18-01-2011 14:11, Gunner skrev:
> Hej SSLUG-eksperter
> 
> Jeg har en ubuntu server kørende som selv har mounted sit filsystem
> til at være ro.
> Jeg har pasted output af dmesg herunder. Det jeg får ud af
> nedenstående er at ext3 filsystemet har fejl.
 ......

> Emask 0x9 (media error)
> [14166791.815532] ata1.00: status: { DRDY ERR }
> [14166791.815555] ata1.00: error: { UNC }
> [14166791.870188] ata1.00: configured for UDMA/133
> [14166792.069325] ata1.01: configured for UDMA/100
> [14166792.069329] sd 0:0:0:0: [sda] Result: hostbyte=DID_OK
> driverbyte=DRIVER_SENSE,SUGGEST_OK
> [14166792.069331] sd 0:0:0:0: [sda] Sense Key : Medium Error [current]
> [descriptor]
> [14166792.069334] Descriptor sense data with sense descriptors (in hex):
> [14166792.069335]         72 03 11 04 00 00 00 0c 00 0a 80 00 00 00 00 00
> [14166792.069339]         08 68 08 4f
> [14166792.069341] sd 0:0:0:0: [sda] Add. Sense: Unrecovered read error
> - auto reallocate failed

mfl.

"UNC" betyder "uncorrectable" error på  harddisken,
dvs. der var en fejl på en sektor som ikke kunne "repareres" ved
gentagne læsninger.
Nogen gange kan fejlen repareres ved at skrive til denne sektor, men.....


prøv at slå S.M.A.R.T  til på disken, brug f.eks. smartctl fra pakken
"smartmontools" (debian ,ubuntu)

 smartctl -a /dev/sda

vil vise status med bla. fejl, og du vil evt. kunne se hvor slemt det er.


Dette program og andre værktøjer kan også
findes på system rescue cd:  http://www.sysresccd.org/
Praktisk lice - CD/USB med mange gode værktøjer.




 
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