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140TBs of SATA II Hitchai disks110 views
Fully assembled cluster145 viewsFour nodes. 32TB of SATA storage.
Internals of one node158 views32 SATA connections. One DDR infiniband HCA. Two 3ware 9550SX SATA RAID Controllers. Two Nvidia 8800 graphics cards. Two Quad Core Intel Xeon Processors. 32GB of RAM.
Disk tuning tests178 viewsVarious disk array tests.
Y-axis = KB/s
X-axis = Number of log buffers, Logsize (mb) , Allocation Groups
Tests done with bonnie++ v1.03 using 70GB test files. Two trial per test.
Disk configuration diagram232 views32 locally attached disks into two logical volumes.
16 SATA disks per controller.
Two devices (/dev/sda & /dev/sdb) into one volume group.
Volume group split into two logical volume striped between two devices.
Formatted with XFS filesystem.
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