Hi, I don't have means to replicate this issue nor file a bug about it so I'd like your opinion about these issues or perhaps make bug report if necessary.
In scenario where is say three raidz2 groups consisting several disks, two disks fail in different raidz-groups. You have degraded pool and two degraded raidz2 groups. Now, one replaces first disk and starts resilvering, it takes day, two days, three days, counter says 100% resilvered but new data is still written to disk being replaced, counter SHOULD update if data amount increases in group. Before that first disk is resilvered, second failed disk in second group is replaced resulting in BOTH resilver-processes start from beginning making pool rather unusable due two resilvers and compromising pool for several days to come. Replacing disk in other raidz2-group should not interfere with ongoing resilvering on another disk set. Yours Markus Kovero
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