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Thread: Tape Drive Throughput on Linux.
01-04-2012, 10:16 AM #1
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Tape Drive Throughput on Linux.
Does anyone know a way, (other than using SystemTap + iostat-scsi.stp script), to get Tape Drive performance statistics?
Red Hat Enterprise Linux Server release 5.7 (Tikanga)
Kernel 2.6.18-274.12.1.el5 on an x86_64
Attached Tape Devices:
Number model SN HBA SCSI FO Path
0 ULT3580-HH5 1068028623 qla2xxx 1:0:0:0 NA
1 ULT3580-HH5 1068030139 qla2xxx 2:0:0:0 NA
I want to get throughput information out of these tape drives.
In AIX, you can just do iostat -p and get that information (assuming atape driver is installed). There doesn't seem to be anything like that for Linux.
Anyone know of anything?
(I don't use SystemTap + iostat-scsi.stp script because it's not meant for production. It's known to cause kernel dumps and crash systems.)
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