Ultra DMA CRC 错误计数？硬盘快挂了吗？求助_百度知道
提问者采纳
首先你的hd tune版本怎么样？ 看看这里：HD Tune 4.0显示我的Ultra DMA CRC错误计数为警告？别忽略下面内容：HD Tune检测硬盘健康状况是读取硬盘本身SMART记录来显示的。而硬盘本身的SMART记录一般情况下是无法还原的，所以依照对UltraDMA CRC Error Count记录的解释———UDMA通讯CRC错误，记录硬盘通讯时发生的CRC错误 如果这个值不为0，而且继续增加，则表示 硬盘控制器-数据线-硬盘接口 有错误发生。也就是说，如果此记录不为0，即使你更换了好的硬盘线，甚至你把这块硬盘挂到别的机子上，这个警告也不会消除的。只要这个记录数不再频繁增加就行了。
提问者评价
通过2天的观察 我发现计数还在增加！谢谢 我去换要线试试看
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多是电路板问题和数据线或电源问题：1.请尝试更换数据线、硬盘电源另一组接头、或主板数据接口2.现象不改善请保修或改成PIO模式继续使用（速度损失）
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出门在外也不愁2.5吋外接硬盘出现Ultra DMA CRC 错误计数有送修需要吗!?
刚刚在使用时接上USB传输线(当然是AB线...)
突然听到马达转了又瞬间停了,共两次....
后来冲去看HD Tune时就发现Ultra DMA CRC 错误计数显示警告
我的硬盘是创见 StoreJet 120G SATA
刚好距离保固还有约半年
上面是显示传输线的问题,于是我尝试换了3条也换过两台电脑跑过
但几乎都是显示出同样问题
另外也更新了HD Tune到最新版4.60也是一样显示出此警告
请问有高手清楚这种警告讯息是否可以忽略呢还是需要送修!?
是二手的吗?
我也有类似情况，
我的情况是因使用RAID1，HD又无TLER(WD牌)所以用了之后有时会离线
Ultra DMA CRC 那个值就会加1。
离线又要REBUILD....所以后来就不用RAID了。
那个讯息是SMART的统计资讯
Ultra DMA CRC 代表曾经发生过传输失败的次数，数字是累积增加的，不会减少，也不会归零
传输失败可能是排线损坏、接触不良、或是档案传输中就直接拔除硬盘........
只要数字不会快速持续增加，那就没有什么问题
phl0722 wrote:
是二手的吗? 我也有...(恕删)
2年前买全新的,不是二手
熊猫界第一美男子 wrote:
只要数字不会快速持续增加，那就没有什么问题(恕删)
换句话说,这个只是统计曾经发生过的次数
而此项统计并非是跟硬盘读写功能相关的东西是吧!!?
我连内接硬盘都有
而且高达数百次...
不知道怎么来的
我开关机都很正常啊
雨过天晴的幸福... wrote:
换句话说,这个只是统计曾经发生过的次数
而此项统计并非是跟硬盘读写功能相关的东西是吧!!?
如果传输线不良（不管是内接还是外接）你就会看到数字不断增加，把线换掉就会停止
THKAW wrote:
我连内接硬盘都有
而且高达数百次...
不知道怎么来的
我开关机都很正常啊
你的硬盘传输线早该换了....用好一点的线吧～
(登入后即可检视图片)
(登入后即可检视图片)
(登入后即可检视图片)
(登入后即可检视图片)
其实我是因为最后那张 C7 错误才上来晃晃硬盘版的
那东西不会消灭，而且地位也很大，所以出现一个 1 的数值整个 S.M.A.R.T. 就呈现警告
趣味的是最后那两颗 1TB 我是放在一个 2Bay 的外接盒 (eSATA)
八成是刚刚开电碰到线吧....而且才今天从新加坡 RMA 到我家就这样
上面四颗硬盘前两颗是因为便宜排线爆掉导致，换了安费诺的排线之后就一切爽朗了...
C7 数字非常丑的那颗是我的系统碟，看他也冒出 C5 了，目前应该不定时有机会暴毙吧....
这样的纪录可以消除吗
因为我刚买的WD 5000AAKX(SATA3)
因断电传输资料中断
结果开机用HD TUNE检查
就出现Ultra DMA CRC 错误计数:资料1，黄色注意讯息
换了排线也一样
看了"健康值"有黄色真讨厌
=============我是分隔线=====================
搜寻了一下
有网友说是软件版本的问题(??)
换成HD TUNE3.5测试健康度就良好了
但Ultra DMA CRC 错误计数值一样
看来硬盘及排线应无问题
除了 HD Tune 的检测报告外, 再查看一下系统日志:
[控制台]-&[系统管理工具]-&[事件检视器]-&[系统],
看看有没有什么线索?
我遇过这种状况,系统莫名其妙三连当,
后来查日志才知原来早在一个月前系统碟(SATA)就有症状了,
只是没发作都不知道.
后来试着把SATA排线换掉后,果然就正常了.
检查系统日志再也没有看见 atapi 报告的错误讯息.
所以,传输线可能比硬盘本身更是个问题.
奇怪,不能上传附档?我有截图说..电脑一用鲁大师检测 c7 ultra dma crc错误计数_百度知道
晕死了，又不是机械硬盘，肯定会错误了，人家那软件是专门针对机械硬盘来说的正常现象如果帮到你了，希望采纳一下，谢谢！
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硬盘出现损坏，磁道可能有部分损坏
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出门在外也不愁硬盘S.M.A.R.T含义 – Linux Kernel Exploration
Higher raw value is better
Lower raw value is better
Critical: red colored row
Potential indicators of imminent electromechanical failure
Attribute name
Description
Read Error Rate
(Vendor specific raw value.) Stores data related to the rate of hardware read errors that occurred when reading data from a disk surface. The raw value has different structure for different vendors and is often not meaningful as a decimal number.
Throughput Performance
Overall (general) throughput performance of a hard disk drive. If the value of this attribute is decreasing there is a high probability that there is a problem with the disk.
Spin-Up Time
Average time of spindle spin up (from zero RPM to fully operational [millisecs]).
Start/Stop Count
A tally of spindle start/stop cycles. The spindle turns on, and hence the count is increased, both when the hard disk is turned on after having before been turned entirely off (disconnected from power source) and when the hard disk returns from having previously been put to sleep mode.
Reallocated Sectors Count
Count of reallocated sectors. When the hard drive finds a read/write/verification error, it marks that sector as “reallocated” and transfers data to a special reserved area (spare area). This process is also known as remapping, and reallocated sectors are called “remaps”. The raw value normally represents a count of the bad sectors that have been found and remapped. Thus, the higher the attribute value, the more sectors the drive has had to reallocate. This allows a drive with bad sectors to continue operation, however, a drive which has had any reallocations at all is significantly more likely fail in the near future. While primarily used as a metric of the life-expectancy of the drive, this number also affects performance. As the count of reallocated sectors increases, the read/write speed tends to become worse because the
is forced to seek to the reserved area whenever a remap is accessed. A workaround which will preserve drive speed at the expense of capacity is to create a
over the region which contains remaps and instruct the
to not use that partition.
Read Channel Margin
Margin of a channel while reading data. The function of this attribute is not specified.
Seek Error Rate
(Vendor specific raw value.) Rate of seek errors of the magnetic heads. If there is a partial failure in the mechanical positioning system, then seek errors will arise. Such a failure may be due to numerous factors, such as damage to a servo, or thermal widening of the hard disk. The raw value has different structure for different vendors and is often not meaningful as a decimal number.
Seek Time Performance
Average performance of seek operations of the magnetic heads. If this attribute is decreasing, it is a sign of problems in the mechanical subsystem.
Count of hours in power-on state. The raw value of this attribute shows total count of hours (or minutes, or seconds, depending on manufacturer) in power-on state.
Spin Retry Count
Count of retry of spin start attempts. This attribute stores a total count of the spin start attempts to reach the fully operational speed (under the condition that the first attempt was unsuccessful). An increase of this attribute value is a sign of problems in the hard disk mechanical subsystem.
Recalibration Retries or Calibration Retry Count
This attribute indicates the count that recalibration was requested (under the condition that the first attempt was unsuccessful). An increase of this attribute value is a sign of problems in the hard disk mechanical subsystem.
Power Cycle Count
This attribute indicates the count of full hard disk power on/off cycles.
Soft Read Error Rate
Uncorrected read errors reported to the operating system.
SATA Downshift Error Count
Western Digital and Samsung attribute.
End-to-End error
This attribute is a part of ‘s
technology and it means that after transferring through the cache RAM data buffer the parity data between the host and the hard drive did not match.
Head Stability
Western Digital attribute.
Induced Op-Vibration Detection
Western Digital attribute.
Reported Uncorrectable Errors
The count of errors that could not be recovered using hardware ECC (see attribute 195).
Command Timeout
The count of aborted operations due to HDD timeout. Normally this attribute value should be equal to zero and if the value is far above zero, then most likely there will be some serious problems with power supply or an oxidized data cable.
High Fly Writes
HDD producers implement a Fly Height Monitor that attempts to provide additional protections for write operations by detecting when a recording head is flying outside its normal operating range. If an unsafe fly height condition is encountered, the write process is stopped, and the information is rewritten or reallocated to a safe region of the hard drive. This attribute indicates the count of these errors detected over the lifetime of the drive.
This feature is implemented in most modern Seagate drives and some of Western Digital’s drives, beginning with the WD Enterprise WDE18300 and WDE9180 Ultra2 SCSI hard drives, and will be included on all future WD Enterprise products.
Airflow Temperature (WDC)
Airflow temperature on Western Digital HDs (Same as temp. [C2], but current value is 50 less for some models. Marked as obsolete.)
Temperature Difference from 100
Value is equal to (100-temp. °C), allowing manufacturer to set a minimum threshold which corresponds to a maximum temperature.
A note here: smartctl seems to interpret these correctly at least in 5.39.1:
ID# ATTRIBUTE_NAME
VALUE WORST THRESH TYPE
UPDATED WHEN_FAILED RAW_VALUE
190 Airflow_Temperature_Cel 0x
Old_age Always
32 (Lifetime Min/Max 22/33)
notice “raw value” is 32 (the correct airflow temp in celsius) and value is 100-32 = 68.
G-sense Error Rate
The count of errors resulting from externally-induced shock & vibration.
Power-off Retract Count or Emergency Retract Cycle Count (Fujitsu)
Count of times the heads are loaded off the media. Heads can be unloaded without actually powering off.[]
Load Cycle Count or Load/Unload Cycle Count (Fujitsu)
Count of load/unload cycles into head landing zone position.
?vThe typical lifetime rating for laptop (2.5-in) hard drives is 300,000 to 600,000 load cycles. Some laptop drives are programmed to unload the heads whenever there has not been any activity for about five seconds. Many Linux installations write to the file system a few times a minute in the background. As a result, there may be 100 or more load cycles per hour, and the load cycle rating may be exceeded in less than a year.
Temperature
Current internal temperature.
Hardware ECC Recovered
(Vendor specific raw value.) The raw value has different structure for different vendors and is often not meaningful as a decimal number.
Reallocation Event Count
Count of remap operations. The raw value of this attribute shows the total count of attempts to transfer data from reallocated sectors to a spare area. Both successful & unsuccessful attempts are counted.
Current Pending Sector Count
Count of “unstable” sectors (waiting to be remapped, because of read errors). If an unstable sector is subsequently read successfully, this value is decreased and the sector is not remapped. Read errors on a sector will not remap the sector (since it might be readable later); instead, the drive firmware remembers that the sector needs to be remapped, and remaps it the next time it’s written.
Uncorrectable Sector Count or
Offline Uncorrectable or
Off-Line Scan Uncorrectable Sector Count
The total count of uncorrectable errors when reading/writing a sector. A rise in the value of this attribute indicates defects of the disk surface and/or problems in the mechanical subsystem.
UltraDMA CRC Error Count
The count of errors in data transfer via the interface cable as determined by ICRC (Interface Cyclic Redundancy Check).
Multi-Zone Error Rate
The count of errors found when writing a sector. The higher the value, the worse the disk’s mechanical condition is.
Write Error Rate (Fujitsu)
The total count of errors when writing a sector.
Soft Read Error Rate or
TA Counter Detected
Count of off-track errors.
Data Address Mark errors or
TA Counter Increased
Count of Data Address Mark errors (or vendor-specific).[]
Run Out Cancel
Count of ECC errors
Soft ECC Correction
Count of errors corrected by software ECC[]
Thermal Asperity Rate (TAR)
Count of errors due to high temperature.
Flying Height
Height of heads above the disk surface. A flying height that’s too low increases the chances of a head crash while a flying height that’s too high increases the chances of a read/write error.[]
Spin High Current
used to spin up the drive.
Count of buzz routines needed to spin up the drive due to insufficient power.
Offline Seek Performance
Drive’s seek performance during its internal tests.
(found in a Maxtor 6B200M0 200GB and Maxtor 2R015H1 15GB disks)
Vibration During Write
Vibration During Write[]
Shock During Write
Shock During Write[]
Disk Shift
Distance the disk has shifted relative to the spindle (usually due to shock or temperature). Unit of measure is unknown.
G-Sense Error Rate
The count of errors resulting from externally-induced shock & vibration.
Loaded Hours
Time spent operating under data load (movement of magnetic head armature)[]
Load/Unload Retry Count
Count of times head changes position.[]
Load Friction
Resistance caused by friction in mechanical parts while operating.[]
Load/Unload Cycle Count
Total count of load cycles[]
Load ‘In’-time
Total time of loading on the magnetic heads actuator (time not spent in parking area).[]
Torque Amplification Count
Count of attempts to compensate for platter speed variations[]
Power-Off Retract Cycle
The count of times the magnetic armature was retracted automatically as a result of cutting power.[]
GMR Head Amplitude
Amplitude of “thrashing” (distance of repetitive forward/reverse head motion)[]
Temperature
Drive Temperature
Endurance Remaining
Number of physical erase cycles completed on the drive as a percentage of the maximum physical erase cycles the drive is designed to endure
Available Reserved Space
Intel SSD reports the number of available reseved space as a percentage of reseved space in a brand new SSD.
Power-On Hours
Number of hours elapsed in the power-on state.
Media Wearout Indicator
Intel SSD reports a normalized value of 100 (when the SSD is new) and declines to a minimum value of 1. It decreases while the NAND erase cycles increase from 0 to the maximum-rated cycles.
Head Flying Hours
Time while head is positioning[]
Transfer Error Rate (Fujitsu)
Count of times the link is reset during a data transfer.
Total LBAs Written
Total count of LBAs written
Total LBAs Read
Total count of LBAs read.
Some S.M.A.R.T. utilities will report a negative number for the raw value since in reality it has 48 bits rather than 32.
Read Error Retry Rate
Count of errors while reading from a disk
Free Fall Protection
Count of “Free Fall Events” detected
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