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Solved
Very slow Reshape
Hi, I have an external cabinet with 3 disks (EDA500), added a 4th, and now the reshape has begun. but its slow as hell. 15618353664 blocks super 1.2 level 5, 64k chunk, algorithm 2 [4/4] [UUUU]...
mdgm wrote:
Those are high capacity disks. I think the resync time is reasonable for the EDA500.
At 13 MB/sec, it will take about a week to resync. Since performance stalls during the resync, and if anything goes wrong during the week there is risk of data loss.
Even if that's the best the system can do, from a user perspective it isn't great.
Granted the port multiplier will constrain performance, but 13 MB/sec does seem very slow when you are taking about disks that are at least 10x faster than that.
What capacity disks are these?
The EDA500 uses a port multiplier so the performance is lower than for disks in the main chassis.
Hi,
The disks are 8TB WD Red,
I can understand that performance is a bit slower on the external port, but 13-15mb/sec? thats almost floppy-speed :)
// T
Those are high capacity disks. I think the resync time is reasonable for the EDA500.
mdgm wrote:
Those are high capacity disks. I think the resync time is reasonable for the EDA500.
At 13 MB/sec, it will take about a week to resync. Since performance stalls during the resync, and if anything goes wrong during the week there is risk of data loss.
Even if that's the best the system can do, from a user perspective it isn't great.
Granted the port multiplier will constrain performance, but 13 MB/sec does seem very slow when you are taking about disks that are at least 10x faster than that.
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