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ReadyNAS Pro rebooting and resyncing, with file copy hangups and other issues
I have been using a ReadyNAS Pro RNDP6350-100NAS for many years as a home music server (Logitech Media Server) and backup for my PC and data files. Firmware is 4.2.30. It has not been 100% st...
The battery provides power to the real-time clock (RTC) when the NAS is not otherwise powered. That won't be causing your problems.
Can you post the SMART stats for the ST32000644NS?
Also, can you download the log zip file, and look in disk_usage.log? Please post the line that starts with /dev/md0
StephenB,
Thanks for your response.
Here is the line from disk_usage.log -
/dev/md0 4.0G 1.9G 2.0G 49% /
S.M.A.R.T. for disk 1 -
Model: ST32000644NS
Serial:
Firmware: SN12
SMART Attribute
Spin Up Time 0
Start Stop Count 4918
Reallocated Sector Count 0
Power On Hours 17646
Spin Retry Count 0
Power Cycle Count 1734
End-to-End Error 0
Reported Uncorrect 0
Command Timeout 0
High Fly Writes 1
Airflow Temperature Cel 24
G-Sense Error Rate 0
Power-Off Retract Count 90
Load Cycle Count 4919
Temperature Celsius 24
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 0
ATA Error Count 0
Looking forward to your interpretation.
Ear-Relevant wrote:
S.M.A.R.T. for disk 1 -
Model: ST32000644NS
Command Timeout 0
...
ATA Error Count 0I asked about this because there was a log snippet above that indicated command timeouts with this disk model (though it thought the disk was in slot 6).
Perhaps look at the remaining disks, just to make sure there is nothing off.
Ear-Relevant wrote:
/dev/md0 4.0G 1.9G 2.0G 49% /
This is high, but doesn't appear dangerously so. Do you have add-ons installed on the NAS? If so, which ones?
StephenB,
Yes, Disk 6 was formerly an ST32000644NS that had many command timeouts. I replaced it with a 4TB Seagate as part of the recent upgrade.
The only Add-on is Logitech Media Server.
The remaining S.M.A.R.T. tables -
SMART Information for Disk 3
Model: ST2000VN000-1HJ164
Serial:
Firmware: SC60
SMART Attribute
Spin Up Time 0
Start Stop Count 1655
Reallocated Sector Count 0
Power On Hours 4676
Spin Retry Count 0
Power Cycle Count 982
End-to-End Error 0
Reported Uncorrect 0
Command Timeout 0
High Fly Writes 6
Airflow Temperature Cel 28
G-Sense Error Rate 0
Power-Off Retract Count 46
Load Cycle Count 1655
Temperature Celsius 28
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 0
ATA Error Count 0SMART Information for Disk 4
Model: ST2000NM0011
Serial:
Firmware: SN03
SMART Attribute
Spin Up Time 0
Start Stop Count 5045
Reallocated Sector Count 0
Power On Hours 23483
Spin Retry Count 0
Power Cycle Count 1747
End-to-End Error 0
Reported Uncorrect 0
Command Timeout 0
High Fly Writes 0
Airflow Temperature Cel 32
G-Sense Error Rate 0
Power-Off Retract Count 93
Load Cycle Count 5088
Temperature Celsius 32
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 1
ATA Error Count 0
Model: SAMSUNG HD204UI
Serial:
Firmware: 1AQ10001
SMART Attribute
Raw Read Error Rate 0
Throughput Performance 0
Spin Up Time 10272
Start Stop Count 10152
Reallocated Sector Count 0
Seek Error Rate 0
Seek Time Performance 0
Power On Hours 36805
Spin Retry Count 0
Calibration Retry Count 0
Power Cycle Count 1889
Program Fail Cnt Total 19610736
G-Sense Error Rate 840
Power-Off Retract Count 0
Temperature Celsius 28
Hardware ECC Recovered 0
Reallocated Event Count 0
Current Pending Sector 0
Offline Uncorrectable 0
UDMA CRC Error Count 1
Multi Zone Error Rate 19
Load Retry Count 0
Load Cycle Count 10153
ATA Error Count 0I don't recognize any problems.
What is Power Off Retract Count? Disk 4 has a count of 93.
*********************************************************
Thanks for your attention in helping me solve this.
Based on your logs and the fact that you said you were unaware of all the reboots (thus no operator intervention involved), your NAS is spontaneously rebooting without logging an error (meaning it doesn't know there was one or couldn't write it to the log before the reboot occurred). AFAIK, the NAS has no watchdog timer that would do that if it locked up (if it did, there would be fewer lock-ups reported here).
I had one that did that that was bad RAM, but you've checked that. A power problem certainly could do something like that as well. Unfortunately, it's likely the RAM or CPU power, which are regulated on the motherboard. But it all does start with the power supply (the 4-pin square connector).
Do you have a spare ATX supply handy, or one you can borrow from a computer for a few days? If so, you could hook it up externally (you've already found the connectors) and see if the NAS becomes more stable. If it does, then a replacement supply is likely the fix.
The only thing about a problem like yours, where you need to run it a few days, is that you also need to keep the airflow going. You'll need to get a bit creative with putting it only partly back together and then sealing the gaps with masking tape.
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