[ENBD] RAID1 resync snapshots

[Arne Wiebalck]

On Mon, 6 Jan 2003, Peter T. Breuer wrote:

>    ENBD enbd.c #6618[2]: sf will setfaulty device 1 group 1
>    ENBD enbd.c #1948[2]: bitmap_checkpage made page 0 for bitmap
>    ENBD enbd.c #6553[2]: ha will hotadd device 1 group 1
>    ENBD enbd.c #4262[6]: nbd_resync skipped clean blocks 0-0
>    ENBD enbd.c #3900[2]: nbd_hotadd launched resync thread with pid 4517 for group 1
>    ENBD enbd.c #4238[2]: nbd_resync saw marked blocks 1-3
>    ENBD enbd.c #4262[7]: nbd_resync skipped clean blocks 4-5
>    ENBD enbd.c #4238[3]: nbd_resync saw marked blocks 6-6
>    ENBD enbd.c #4262[8]: nbd_resync skipped clean blocks 7-145
>    ENBD enbd.c #4238[4]: nbd_resync saw marked blocks 146-1174
>    ENBD enbd.c #4294[1]: nbd_resync skipped clean blocks 1175-4095
>    ENBD enbd.c #1926[2]: bitmap_remove removed bitmap
>
> So only those blocks got copied across. The device remained mounted
> (and working) throughout.
>

This looks really cool. Intelligent (network aware) RAID, and its working!
Very good!

  Arne



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 Arne Wiebalck                        Kirchhoff Institute for Physics
                                           Technical Computer Science
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