Intel raid 5 Seagate

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squadmind
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Joined: 2020/04/15 12:38:32
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Intel raid 5 Seagate

Post by squadmind » 2020/04/29 18:45:27

Hello all,

I have a CentOS 6 server with onboard Intel RAID 5 with 5 Seagate server grade 500GB hard drives. The first drive (drive0 of the array) has failed (SMART message on power up)and as-is the server will no longer boot up. I am assuming that the boot sector used in this configuration is located on the first drive of the array, thus causing this behavior. All other 4 drives report that they are in good condition.

I received an exact model this week for a replacement, I was wondering if swapping out the drives and booting to the CentOS Live disk would work or be the best option to rebuild the array with the new disk. I have found a bit of info using Google, but none that seems to apply to my specific situation, and I really don't want to lose the current array by making a bad decision. Anyone out there had this experience? Any advice is appreciated.
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lightman47
Posts: 1181
Joined: 2014/05/21 20:16:00
Location: Central New York, USA

Re: Intel raid 5 Seagate

Post by lightman47 » 2020/05/01 20:51:03

https://www.prepressure.com/library/technology/raid

I ran raid 10 (1+0) and if a drive failed, I just powered down, changed the drive, and raid rebuilt it when powered up. I've never personally dealt with raid 5.
Remember - importing/building packages will likely "byte you in the butt" come update time, long after you'd forgotten you did that! Use repos whenever possible.

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