Disk Performance measurement for RAID and Software Raid

15 Apr 1999 T. Ichihara (RIKEN)

Preliminary

---------------------------------------------------------------------------- Hardware SUN Enterprise 450 : Solaris 2.6 CPU: Dual Ultra2 sparc at 400MHz Memory: 1280 MB Main Memory PCI Dual ultra-wide SCSI controller (diff.) (Ext. Raid connection) PCI Dual ultra-wide SCSI controller (single.) (Internal disks) External Raid System (raid0+1,raid4 or raid5) Controller: CMD CRD-5440-001/002 Ultra SCSI Raid Controller Disk sub system: IBM 3.5" 36GB Disk driver 10 unit (1 for Hot spare) Host I/F: Ultra-Wide SCSI (differential) Product Name: IAI SNX96000E Testing method Fortran unformatted IO write, read ----------------------------------------------------------------------------- Bare Disk (Seagate 18GB ST318275LC internal, ultra-wide SCSI) File Write rate = 14.3 MB/S ( 200 MB 14. sec.) File Write rate = 12.58 MB/S ( 2000 MB 159. sec.) File Read rate = 20.0 MB/S ( 200 MB 10. sec.) File Read rate = 19.05 MB/S ( 2000 MB 105. sec.) Hardware RAID4 288GB (CMD CRD-5440-001/002 Ultra SCSI Raid Controller 3.5" 36GB IBM HD x 10 unit 2 SCSI-Channel Block-size 128 KB, Product IAI SNX96000E) File Write rate = 13.3 MB/S ( 200 MB 15. sec.) File Write rate = 12.90 MB/S ( 2000 MB 155. sec.) File Read rate = 13.33 MB/S ( 200 MB 15. sec.) File Read rate = 14.18 MB/S ( 2000 MB 141. sec.) Hardware RAID5 288GB (CMD CRD-5440-001/002 Ultra SCSI Raid Controller 3.5" 36GB IBM HD x 10 unit 2 SCSI-Channel Block-size 128 KB : Product IAI SNX96000E) File Write rate = 14.3 MB/S ( 200 MB 14. sec.) File Write rate = 12.99 MB/S ( 2000 MB 154. sec.) File Read rate = 16.7 MB/S ( 200 MB 12. sec.) File Read rate = 16.39 MB/S ( 2000 MB 122. sec.) Software RAID 0+1 (Solaris2.6 Disksuite) File Write rate = 11.1 MB/S ( 200 MB 18. sec.) File Write rate = 10.10 MB/S ( 2000 MB 198. sec.) File Read rate = 25.00 MB/S ( 200 MB 8. sec.) File Read rate = 23.26 MB/S ( 2000 MB 86. sec.) Software RAID 5 (Solaris2.6 Disksuite) File Write rate = 1.9 MB/S ( 200 MB 102. sec.) File Write rate = 1.80 MB/S ( 2000 MB 1111. sec.) File Read rate = 28.57 MB/S ( 200 MB 7. sec.) File Read rate = 27.78 MB/S ( 2000 MB 72. sec.)
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    20 Apr 1999 Takashi Ichihara ([email protected])