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I would like to ask is mysql ok to run a on a raid 5 server. The raid is done using hardware raid and not software. I saw some older links like this Is raid 5 suitable for a mysql installation? which gives negative opinion on settings raid 5? As time pass I guess hardware have improve and I guess it should be better now ? Any opinion ?

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When you're comparing, RAID-10 is still a better architecture than RAID-5. My opinion is that regardless of hardware improvement the underlying functionality still remains the same for RAID-5.

(Even though Ronado's answer has "If you do not use innodb_file_per_table...", he'd still recommend the same.)

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  • The problem is that customer is affording only 3 hd so the best is to go with raid 5 or is there any other option to go with ? Yes I will be using innodb_file_per_table
    – user5313398
    Commented Oct 8, 2015 at 15:52
  • So with 3 harddisk what is best solution then ?
    – user5313398
    Commented Oct 8, 2015 at 16:50
  • Use RAID-5 with 3 drives.
    – Rick James
    Commented Oct 21, 2015 at 22:36

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