April 21, 2010 at 1:40 pm
Hi,
I have a brand new shiny HP DL380 Server and have 8 x 146GB 15K SAS drives to play with.
What would the best way to configure these for redundancy and performance. I will be hosting the database for our MS Dynamics AX server.
Please advise, any help greatly appreciated
Zuma
April 21, 2010 at 1:52 pm
zuma01 (4/21/2010)
Hi,I have a brand new shiny HP DL380 Server and have 8 x 146GB 15K SAS drives to play with.
What would the best way to configure these for redundancy and performance. I will be hosting the database for our MS Dynamics AX server.
Please advise, any help greatly appreciated
Zuma
It's going to be vey dependant on your load, but probably something like
but consider
RAID 1+0 for Data (4 disks)
RAID 1 for Logs (2 disks)
RAID 1 for Backup (2 disks)
Unfortunately, 8 disks is really not that many so you don't have many options.
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April 21, 2010 at 1:55 pm
I've always done:
2 RAID 1 for OS
4 RAID 5 for MDFs
2 RAID 1 of LDFs
But I think it depends on what you are using the DBs for, I used SQLIOsim to simulate read and writes on my test servers. I'm interested to see what other's have done.
April 21, 2010 at 6:51 pm
How many IO channels do you have?
What kind of database are you expecting to run (OLTP/OLAP/hybrid)?
How many transactions per second?
How critical is your data ... how many seconds/minutes/hours can you afford to lose if you need to go to backups?
How critical is your uptime?
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