Shulou(Shulou.com)06/02 Report--

Just about to get off work today, my colleague said that an old tower server in 2007 gave a beep alarm and a long tone alarm, but the indicators of the server and hard disk were not abnormal. Turn off the computer and take a look at it. There is a red light flashing alarm on the megaraid sas 8708elp raid card. Reboot, go to the raid card configuration page, and find that one of the hard drives displays foreign and unconf bad at the same time. At present, it is raid5, with a total of 3 plates, one of which has been dropped inexplicably, so it is naturally misreported. Do not know much about raid, according to the keyword Baidu search, the first step is to become unconf good. Click on the error report hard drive, enter, select the "make unconf good" option, and click the "GO" button. However, after tossing about for a while, I found that it still didn't work. Search again, there should be raid information in the hard disk, but the system does not automatically identify it, so it is displayed as foreign, which needs to be dealt with manually, and the foreign status must be removed before it can be used. On the Internet, it's just the raid information on the clear hard drive, but after I clicked on "scan device", I was prompted to find the conf on the hard drive and asked if I wanted import or clear. I click the preview button, after entering, it shows that the previously unavailable hard drive can be imported, so directly click the import button, the status successfully changes to rebuild, and the reconstruction begins.

At this point, the fault is finally solved, although there is still an alarm, but when the rebuild is completed, it should disappear. Not much has been said before, but in fact, a lot of things have happened in the middle, including two hard drives that report errors at the same time after reboot, and post that does not show raid information. Fortunately, by repeatedly plugging and unplugging the raid card and hard disk, we recovered successfully.

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