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Forum Discussion
Readynas 6 Plus destroys volume after shut down with 4.2.19
Just a quick warning for someone who is using the new firmware 4.2.9 x86 (drives 3+ TB) and the new Hitachi 4 TB (3.7TB) drives in 6 slot configuration. I followed the instruction and did test it 3 t...
Sky-chicken - the problem is not with the NAS or the OS. It is with the untested/unapproved 4TB drives you are trying in the NAS.
These forums are full of admonitions to only use drives that are on the HCL list. The users guide should have referred you to only use drives that are on the HCL. Not all 1TB drives are on the list, nor are all 2TB or 3TB drives, yet we know that some of them are. We know also that when one uses non-approved drives, data loss is a definite possibility, which is why the cautionary warning.
Some drives react poorly when subjected to the synchronization of drives necessary to utilize the RAID configuration.
I do remember one of our members who is very experienced pulled the array of drives and tried at least one 4TB drive pulled from the enclosure (it was sold as an external drive) and did not have any problems with it. However, I believe it was a solo drive and do not think it was a Hitachi. We have had members have problems with 1.5TB drives even though the 1TB and 2TB versions were on the list but the 1.5TB version was not. This is why the HCL exists and why the staff spends the money and the time to extensively test drives. The member who tried the solo 4TB also ran the disk test from the boot menu several times.
These forums are full of admonitions to only use drives that are on the HCL list. The users guide should have referred you to only use drives that are on the HCL. Not all 1TB drives are on the list, nor are all 2TB or 3TB drives, yet we know that some of them are. We know also that when one uses non-approved drives, data loss is a definite possibility, which is why the cautionary warning.
Some drives react poorly when subjected to the synchronization of drives necessary to utilize the RAID configuration.
I do remember one of our members who is very experienced pulled the array of drives and tried at least one 4TB drive pulled from the enclosure (it was sold as an external drive) and did not have any problems with it. However, I believe it was a solo drive and do not think it was a Hitachi. We have had members have problems with 1.5TB drives even though the 1TB and 2TB versions were on the list but the 1.5TB version was not. This is why the HCL exists and why the staff spends the money and the time to extensively test drives. The member who tried the solo 4TB also ran the disk test from the boot menu several times.
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