I have a pair of machines running hast cross two pairs of
drives - i.e. 4 drives total, two in each box, and hence
two hast resources, cbert0 and cebrt1.
Its been running mysql fir a long time, but there only 6 gig
of data actually in use in the pool. I rebuilt the secondary
machine, and wanted to resync the hast devices, but that would involve
copying 450 gig for only 6 gig of actual data.
"easy" I though, "just rebuild each has device in the pool
so it only has the current data dirty"
seems reasonbale enough ?
so I disconnected one bit of the mirror, did a 'hast create' to
zero it, and reattached it to the mirror.
(note that the secondary side is entirely disconnected, this is local
to one machine).
what I am seeing is that the zpool is resilvering at a rate
of 170K/s - currently it says this:
622M scanned out of 6.53G at 170K/s, 10h9m to go
But the hastctl status outout says this:
status: degraded
workerpid: 950
dirty: 136363114496 (127GB)
statistics:
I onyl expect dirty blocks when the ZFS has ritten something -0 127 gig
dirty seems excessive for 622 meg written!
anyone got any idea what might be happening ?
-pete.
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