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Forum Discussion
WD20EARS just added on the official HCL - mistake and issues
The official HCL has (quietly !) been updated for Sparc based machines with a 2TB WD desktop class drive: the WD20EARS (http://www.readynas.com/?page_id=82). This is in principle good news as the WD20...
I purchased 4 WD20EARS-00J2GB0 drives from NewEgg. Followed CommanderQ's procedure exactly except used WD3IDLE to change the LCC value BEFORE starting to 5 seconds. Using latest -T29 beta firmware on 1100.
Everything went perfectly, reboots were normal, no issues at all. Copied several hundred gig of data in several batches back to the NAS. Write speeds were an acceptable 25MBS (CIFS + Jumbo Frames + large movie files). Just before bed I rebooted NAS - it did not come right back up and I thought I had a problem. When I woke, I found the NAS up and no errors. Log did not state that it had to resync, but it did take 26 minutes between shutdown and power up entries. The problem now is that writes are painfully slow at ~7MBS. I am assuming that I am bitten by the 4K sector misalignment issue, but my question is why were writes fast to begin with and now so slow? What may have technically happend during that reboot after copying data to the drive? Anyone have a clue? CommanderQ - Have you rebooted YOUR setup after you posted the success story and do you know if your -00S8B1's are 512 or 4K? TIA!
Everything went perfectly, reboots were normal, no issues at all. Copied several hundred gig of data in several batches back to the NAS. Write speeds were an acceptable 25MBS (CIFS + Jumbo Frames + large movie files). Just before bed I rebooted NAS - it did not come right back up and I thought I had a problem. When I woke, I found the NAS up and no errors. Log did not state that it had to resync, but it did take 26 minutes between shutdown and power up entries. The problem now is that writes are painfully slow at ~7MBS. I am assuming that I am bitten by the 4K sector misalignment issue, but my question is why were writes fast to begin with and now so slow? What may have technically happend during that reboot after copying data to the drive? Anyone have a clue? CommanderQ - Have you rebooted YOUR setup after you posted the success story and do you know if your -00S8B1's are 512 or 4K? TIA!
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