Jargo56 Posted February 19, 2020 Share Posted February 19, 2020 My parity rebuild is going very slowly. I am trying to upgrade all of my 3tb drives to 6tb. Currently I have 8 3TB drives and 4 6TB drives and I'm pre-clearing 4 more 6TB drives. I just took out 4 3TB drives so I did a new config and the parity is going very slowly and I don't know why. The new drives are SAS 7200RPM drives on a 6GB/sec LSI raid card flashed to IT mode. I've attached my diagnostic file as well. Any help is greatly appreciated. Thank you. tower-diagnostics-20200219-1937.zip Quote Link to comment
Squid Posted February 19, 2020 Share Posted February 19, 2020 Looks like mover is doing its thing, and a preclear is going on at the same time. Mover is probably the bulk of the problem... Quote Link to comment
Jargo56 Posted February 19, 2020 Author Share Posted February 19, 2020 When the mover stops it goes at about 35MB/sec for the parity rebuild. Is that what I should expect? Quote Link to comment
JorgeB Posted February 20, 2020 Share Posted February 20, 2020 IIRC there are known performance issues with that 3ware controller. 1 Quote Link to comment
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