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Forum Discussion
Safe to write during resync?
I've got an RN104 running two 4TB WDC Reds and two 2TB WDC Greens. I'm replacing the Greens with Reds as time and budget allow.
I now have one more 4TB Red on the way, arriving Wednesday, and I'll be swapping it in shortly thereafter (must introduce the new gigabit switch for at least one nightly cycle first).
My last 4TB resync was a 37-hour affair; I don't expect anything different this time. But in the meantime I've built up a few scheduled processes that perform intensive and extended write activities to the device. What will the impact be if I allow these to continue during the resync? Should I suspend them until it finishes?
I searched lightly through the forums here for a similar topic, but nothing jumped right out at me.
As always, I appreciate your time and expertise.
Thanks,
Jeff Bowman
Fairbanks, Alaska
I now have one more 4TB Red on the way, arriving Wednesday, and I'll be swapping it in shortly thereafter (must introduce the new gigabit switch for at least one nightly cycle first).
My last 4TB resync was a 37-hour affair; I don't expect anything different this time. But in the meantime I've built up a few scheduled processes that perform intensive and extended write activities to the device. What will the impact be if I allow these to continue during the resync? Should I suspend them until it finishes?
I searched lightly through the forums here for a similar topic, but nothing jumped right out at me.
As always, I appreciate your time and expertise.
Thanks,
Jeff Bowman
Fairbanks, Alaska
6 Replies
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InteXX wrote: My last 4TB resync was a 37-hour affair; I don't expect anything different this time. But in the meantime I've built up a few scheduled processes that perform intensive and extended write activities to the device. What will the impact be if I allow these to continue during the resync? Should I suspend them until it finishes?
I think that the performance might slow down since the its performing a resync and at the same write activities to the NAS.- Performance will certainly slow down, if they are not time-critical I'd suspend them.
StephenB wrote: Performance will certainly slow down, if they are not time-critical I'd suspend them.
So performance is the only issue then? The data would remain safe? (Assuming no HDD failure.)
Thanks,
Jeff Bowman
Fairbanks, AlaskaIxa wrote: I think that the performance might slow down since the its performing a resync and at the same write activities to the NAS.
I may reroute the activities to a second external drive in the meantime.
We'll see how much the gigabit switch speeds things up. I think that's been the bottleneck so far.
Thanks,
Jeff Bowman
Fairbanks, Alaska
Yes.InteXX wrote: ...So performance is the only issue then? The data would remain safe? (Assuming no HDD failure.) StephenB wrote: Yes.
OK, sounds good. I was just curious.
I'll temp neither fate nor your original answer—I'll be suspending those operations.
Thanks,
Jeff Bowman
Fairbanks, Alaska
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