Raid 1 or Raid 1+0 for SQL Server Architecture












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We are looking at new servers and today our SQL servers are architected C/D on RAID 1 , E : Tempdb on RAID 1, F:log files on RAID 1 , G : Catalog data on RAID 1 , H: model data on RAID 1 , I : symbols on RAID 1, J: DB maintenance on RAID 1 , so we have a lot of SSD’s all on RAID 1 with no sharing. We are considering that to change to a large RAID 1+0 however the concern is if we will end up with performance impacts, there are random reads that happen throughout the day but not as much as writes.
My question is if a large 1+0 RAID is suggested/recommended which would reduce the quantity of SSD’s that we use and allow us to expand a single container easier or stick with single RAID 1’s.



Thanks in advance.









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    We are looking at new servers and today our SQL servers are architected C/D on RAID 1 , E : Tempdb on RAID 1, F:log files on RAID 1 , G : Catalog data on RAID 1 , H: model data on RAID 1 , I : symbols on RAID 1, J: DB maintenance on RAID 1 , so we have a lot of SSD’s all on RAID 1 with no sharing. We are considering that to change to a large RAID 1+0 however the concern is if we will end up with performance impacts, there are random reads that happen throughout the day but not as much as writes.
    My question is if a large 1+0 RAID is suggested/recommended which would reduce the quantity of SSD’s that we use and allow us to expand a single container easier or stick with single RAID 1’s.



    Thanks in advance.









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      We are looking at new servers and today our SQL servers are architected C/D on RAID 1 , E : Tempdb on RAID 1, F:log files on RAID 1 , G : Catalog data on RAID 1 , H: model data on RAID 1 , I : symbols on RAID 1, J: DB maintenance on RAID 1 , so we have a lot of SSD’s all on RAID 1 with no sharing. We are considering that to change to a large RAID 1+0 however the concern is if we will end up with performance impacts, there are random reads that happen throughout the day but not as much as writes.
      My question is if a large 1+0 RAID is suggested/recommended which would reduce the quantity of SSD’s that we use and allow us to expand a single container easier or stick with single RAID 1’s.



      Thanks in advance.









      share














      We are looking at new servers and today our SQL servers are architected C/D on RAID 1 , E : Tempdb on RAID 1, F:log files on RAID 1 , G : Catalog data on RAID 1 , H: model data on RAID 1 , I : symbols on RAID 1, J: DB maintenance on RAID 1 , so we have a lot of SSD’s all on RAID 1 with no sharing. We are considering that to change to a large RAID 1+0 however the concern is if we will end up with performance impacts, there are random reads that happen throughout the day but not as much as writes.
      My question is if a large 1+0 RAID is suggested/recommended which would reduce the quantity of SSD’s that we use and allow us to expand a single container easier or stick with single RAID 1’s.



      Thanks in advance.







      sql-server database-internals ssd





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      asked 6 mins ago









      Sayantani NathSayantani Nath

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