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New server with SSDs

February 14th, 2013 Leave a comment Go to comments

We just provisioned a new server with Sandy Bridge and 4 SSDs in RAID 5 configuration. The server it was replacing was seriously under powered so this is a timely replacement. I ran hdparm on both servers to compare:

Old Server:
dag:/home# hdparm -Tt /dev/sda6

/dev/sda6:
Timing cached reads: 6678 MB in 2.00 seconds = 3341.64 MB/sec
Timing buffered disk reads: 186 MB in 3.03 seconds = 61.38 MB/sec

New Server:
root@dagnew:/home# hdparm -Tt /dev/sda6

/dev/sda6:
Timing cached reads: 25048 MB in 2.00 seconds = 12539.88 MB/sec
Timing buffered disk reads: 1956 MB in 3.00 seconds = 651.75 MB/sec

I’ll be rolling out more of these when other servers are up for replacement.

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