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Re: [TEKNIK] Raid 5 problem



Kristian Kallenberg skrev:

On Tue, Sep 05, 2006 at 03:22:04PM +0000, Bent Henriksen wrote:
Hej, Håber der er nogle erfarne, der kan hjælpe mig med følgende:

For bl.a. at lære noget omkring Linux har jeg lavet en server af nogle gamle stumper. Den kører som filserver og har en software Raid 5 på 4 200 GB IDE harddiske - eller rettere 'havde'. Pga af en powersplitter, der ikke var robust fik 2 af harddiskene samtidigt strømudfald og da processoren derefter blev hængende i en IO måtte jeg genstarte serveren.

Nu brokker Raid'en (evms'en) sig over, at 2 af harddiskene har invalide superblocks.

Jeg benyttede i sin tid evms til at installere raid'en og fra evms-engine.log:

MDRaid5RegMgr: md_analyze_volume: Object hdd is out of date.
MDRaid5RegMgr: md_analyze_volume: Object hde is out of date.

Jeg kører Fedora core 4.

Er der nogen, der ved hvordan man får sin Raid tilbage uden at tabe alt for megen data?


Jooo, men det kræver lidt held. Det lod sig rent faktisk gøre formig for
et halvt år siden. Det kan betale sig at læse vejledningen til "mdadm"
grundigt igennem.

/kallenberg

Tak for svaret.

Min mdadm påstår, at ingen af mine fire harddiske har super blocks (evms påstår, at de har).

Enten er der noget galt med alle mine harddiske (tror det ikke) eller også er min mdadm ikke kompatibel med evms?

Bent Henriksen




 
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