Unable to mount hammer file system Undo failed

Wojciech Puchar wojtek at wojtek.tensor.gdynia.pl
Thu Jul 19 01:25:38 PDT 2012


> HAMMER(ROOT) recovery check seqno=8ca97e62
> HAMMER(ROOT) recovery range 3000000006877528-3000000006892fa0
> HAMMER(ROOT) recovery nexto 3000000006892fa0 endseqno=8ca98015
> HAMMER(ROOT) recovery undo  3000000006877528-3000000006892fa0 (113272 bytes)(RW)
> ad4: FAILURE - READ_DMA48 status=51<READY,DSC,ERROR>
> error=40<UNCORRECTABLE> LBA=483752928
> HAMMER: UNDO record, cannot access buffer 2000003436e35ca8
> HAMMER(ROOT) UNDO record at 3000000006891a30 failed
> HAMMER(ROOT) recovery complete
> Failed to recover HAMMER filesystem on mount
>
this is example of what i fear about hammer. One error results in 
unability to mount.

If it is just software error in hammer that's great. If it is design... 
not great.





More information about the Users mailing list