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Forum Discussion
"DEAD" drives check ok using SEATOOLS for DOS
SUMMARY: I wonder if RAIDiator Firmware 4.2.22. introduces problems ?
I have a ReadyNAS Ultra 6 [X-RAID2] six bay unit. I bought it with three each 2-GB Seagate ST32000542AS drives in the factory configuration of X-Raid.
The unit was working well and I eventually I added three more 2-GB drives of model Seagate ST32000644NS to achieve maximum capacity. Unit continued to work well, although one of the original Seagate ST32000542AS drives was slowly accumulating replaced bad blocks ( number of bad blocks accumulated was around 210 and I was thinking about replacing the questionable Seagate ST32000644NS when Netgear released the newest Firmware for the unit.
After being reminded monthly by emails from my ReadyNAS Ultra 6 [X-RAID2] six bay unit that new firmware was available, I upgraded the firmware to RAIDiator 4.2.22. on December 5, 2012. The firmware upgrade appeared to complete without incident.
In the last 15 days, STRANGE things started happening. I have suffered THREE incidents of ReadyNAS reporting three different Seagate ST32000542AS drives as "DEAD" with no warning. No accumulating notice of problems, just suddenly "DEAD". I have been keeping spare drives on-hand, and I replaced each "DEAD" Seagate ST32000542AS drive with a Seagate ST32000644NS drive. In each case, the ReadyNAS successfully rebuilt the RAID volume and I sent the "DEAD" drive off to another pentium-based computer where I ran Seagate "SEATOOLS for DOS" on the "DEAD" drive. Every time, the "DEAD" drive is reported as "OK" using "SEATOOLS for DOS" after running the "long" test three times ( 3 x 7 hours = 21 hours of testing on each drive).
After "SEATOOLS for DOS" reported two of these Seagate ST32000644NS drives as "OK" I tried them as replacements in my ReadyNAS Ultra 6 [X-RAID2] six bay unit ... In both cases the drives passed "NAS testing" and the RAID array rebuilt, but a few hours later, both of the drives were reported as "DEAD" again, with no warnings.
I have RMA numbers for the first two of these drives and they will be heading back to Netgear, but I feel I should post this issue here so that other users might comment if they have seen the same behavior, and we might bring it to Netgear's attention if warranted.
Jerry
I have a ReadyNAS Ultra 6 [X-RAID2] six bay unit. I bought it with three each 2-GB Seagate ST32000542AS drives in the factory configuration of X-Raid.
The unit was working well and I eventually I added three more 2-GB drives of model Seagate ST32000644NS to achieve maximum capacity. Unit continued to work well, although one of the original Seagate ST32000542AS drives was slowly accumulating replaced bad blocks ( number of bad blocks accumulated was around 210 and I was thinking about replacing the questionable Seagate ST32000644NS when Netgear released the newest Firmware for the unit.
After being reminded monthly by emails from my ReadyNAS Ultra 6 [X-RAID2] six bay unit that new firmware was available, I upgraded the firmware to RAIDiator 4.2.22. on December 5, 2012. The firmware upgrade appeared to complete without incident.
In the last 15 days, STRANGE things started happening. I have suffered THREE incidents of ReadyNAS reporting three different Seagate ST32000542AS drives as "DEAD" with no warning. No accumulating notice of problems, just suddenly "DEAD". I have been keeping spare drives on-hand, and I replaced each "DEAD" Seagate ST32000542AS drive with a Seagate ST32000644NS drive. In each case, the ReadyNAS successfully rebuilt the RAID volume and I sent the "DEAD" drive off to another pentium-based computer where I ran Seagate "SEATOOLS for DOS" on the "DEAD" drive. Every time, the "DEAD" drive is reported as "OK" using "SEATOOLS for DOS" after running the "long" test three times ( 3 x 7 hours = 21 hours of testing on each drive).
After "SEATOOLS for DOS" reported two of these Seagate ST32000644NS drives as "OK" I tried them as replacements in my ReadyNAS Ultra 6 [X-RAID2] six bay unit ... In both cases the drives passed "NAS testing" and the RAID array rebuilt, but a few hours later, both of the drives were reported as "DEAD" again, with no warnings.
I have RMA numbers for the first two of these drives and they will be heading back to Netgear, but I feel I should post this issue here so that other users might comment if they have seen the same behavior, and we might bring it to Netgear's attention if warranted.
Jerry
1 Reply
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- Can you check the SMART info for the disks. It's possible a disk may be in a bad way and the NAS picks it up while SeaTools does not (the opposite is possible too)
Disks can and do fail at any time.
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