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What causes intermittent freezes in Ubuntu server 12.10?
There is a server (file dump) running ubuntu. It has a cron job set up for daily backup via rsync to an external usb hard drive.
Without any periodicity in the morning, I find the server tightly hung. Not available over the network, a certain log flaunts on the screen:
I set up a smart check. in webmin System Information the message flaunts:
Drive temperatures sda: 33℃ (282 errors!), sdb: 28℃
smartctl 5.43 2012-06-30 r3573 [i686-linux-3.5.0-43-generic] (local build)
Copyright (C) 2002-12 by Bruce Allen, http://smartmontools.sourceforge.net
=== START OF READ SMART DATA SECTION ===
SMART Error Log Version: 1
ATA Error Count: 282 (device log contains only the most recent five errors)
CR = Command Register [HEX]
FR = Features Register [HEX]
SC = Sector Count Register [HEX]
SN = Sector Number Register [HEX]
CL = Cylinder Low Register [HEX]
CH = Cylinder High Register [HEX]
DH = Device/Head Register [HEX]
DC = Device Command Register [HEX]
ER = Error register [HEX]
ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.
Error 282 occurred at disk power-on lifetime: 32122 hours (1338 days + 10 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 51 e8 a0 74 34 e0 Error: ICRC, ABRT 232 sectors at LBA = 0x003474a0 = 3437728
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
c8 00 e8 a0 74 34 e0 00 48d+00:38:50.875 READ DMA
c8 00 88 40 cc 34 e0 00 48d+00:38:10.188 READ DMA
c8 00 90 50 e2 34 e0 00 48d+00:38:10.188 READ DMA
c8 00 b8 c0 eb 34 e0 00 48d+00:38:10.188 READ DMA
c8 00 90 a0 9d 34 e0 00 48d+00:38:10.188 READ DMA
Error 281 occurred at disk power-on lifetime: 31972 hours (1332 days + 4 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 51 00 60 8c 34 e3 Error: ICRC, ABRT at LBA = 0x03348c60 = 53775456
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
c8 00 00 60 8c 34 e3 00 41d+18:35:49.250 READ DMA
c8 00 00 60 8b 34 e3 00 41d+18:35:08.125 READ DMA
c8 00 00 60 8a 34 e3 00 41d+18:35:08.125 READ DMA
c8 00 00 60 89 34 e3 00 41d+18:35:08.125 READ DMA
c8 00 00 60 88 34 e3 00 41d+18:35:08.125 READ DMA
Error 280 occurred at disk power-on lifetime: 30960 hours (1290 days + 0 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 51 80 00 76 23 e0 Error: ICRC, ABRT 128 sectors at LBA = 0x00237600 = 2323968
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
c8 00 80 00 76 23 e0 00 5d+06:11:29.500 READ DMA
c8 00 10 68 8f d6 e0 00 5d+06:10:48.500 READ DMA
c8 00 08 58 8f d6 e0 00 5d+06:10:48.500 READ DMA
c8 00 88 88 0e 04 e1 00 5d+06:10:48.438 READ DMA
c8 00 08 98 57 d3 e0 00 5d+06:10:48.438 READ DMA
Error 279 occurred at disk power-on lifetime: 30939 hours (1289 days + 3 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 51 00 20 50 9d e3 Error: ICRC, ABRT at LBA = 0x039d5020 = 60641312
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
c8 00 00 20 50 9d e3 00 4d+09:20:04.750 READ DMA
c8 00 00 20 4f 9d e3 00 4d+09:20:04.750 READ DMA
c8 00 00 20 4e 9d e3 00 4d+09:20:04.750 READ DMA
c8 00 00 20 4d 9d e3 00 4d+09:20:04.750 READ DMA
c8 00 00 20 4c 9d e3 00 4d+09:20:04.750 READ DMA
Error 278 occurred at disk power-on lifetime: 30938 hours (1289 days + 2 hours)
When the command that caused the error occurred, the device was active or idle.
After command completion occurred, registers were:
ER ST SC SN CL CH DH
-- -- -- -- -- -- --
84 51 00 00 8c c6 e4 Error: ICRC, ABRT at LBA = 0x04c68c00 = 80120832
Commands leading to the command that caused the error were:
CR FR SC SN CL CH DH DC Powered_Up_Time Command/Feature_Name
-- -- -- -- -- -- -- -- ---------------- --------------------
c8 00 00 00 8c c6 e4 00 4d+07:56:42.250 READ DMA
c8 00 00 00 8b c6 e4 00 4d+07:56:42.250 READ DMA
c8 00 00 00 8a c6 e4 00 4d+07:56:42.250 READ DMA
c8 00 00 00 89 c6 e4 00 4d+07:56:42.250 READ DMA
c8 00 00 00 88 c6 e4 00 4d+07:56:42.250 READ DMA
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No one will say exactly when the screw will fail. Change as quickly as possible if the data is important.
I don't see spoilers from the toaster.
Chrome Version 33.0.1712.4 dev-m
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