Difference between revisions of "Fedora Arm Secondary Architecture/Storage performance"
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Revision as of 17:27, 31 March 2010
Contents
Performance Results
iSCSI Performance Tests On Hold
The current kernel does not support iSCSI transport.
The current kernel does not support iSCSI transport.
USB PATA
Version 1.03e ——Sequential Output—— –Sequential Input- –Random- -Per Chr- –Block– -Rewrite- -Per Chr- –Block– –Seeks– Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP fedora-arm 2G 5768 96 28790 24 12380 11 5936 96 25991 10 121.0 0 ——Sequential Create—— ——–Random Create——– -Create– –Read— -Delete– -Create– –Read— -Delete– files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 12640 97 +++++ +++ 22387 99 10765 82 +++++ +++ 21615 100 fedora-arm,2G,5768,96,28790,24,12380,11,5936,96,25991,10,121.0,0,16,12640,97,+++++,+++,22387,99,10765,82,+++++,+++,21615,100
NFS
Version 1.03e ——Sequential Output—— –Sequential Input- –Random- -Per Chr- –Block– -Rewrite- -Per Chr- –Block– –Seeks– Machine Size K/sec %CP K/sec %CP K/sec %CP K/sec %CP K/sec %CP /sec %CP fedora-arm 2G 5605 92 43362 16 20478 53 5619 98 51789 85 1201 35 ——Sequential Create—— ——–Random Create——– -Create– –Read— -Delete– -Create– –Read— -Delete– files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 50 0 3480 27 55 1 49 0 3948 26 53 0 fedora-arm,2G,5605,92,43362,16,20478,53,5619,98,51789,85,1200.7,35,16,50,0,3480,27,55,1,49,0,3948,26,53,0
Summary
Write
| Transfer Speed | Cpu Usage | Percentage Increase | |
|---|---|---|---|
| PATA | 28,790 KB/s | 24% | 0% |
| NFS | 43,363 KB/s | 16% | 50% |
Read
| Transfer Speed | Cpu Usage | Percentage Increase | |
|---|---|---|---|
| PATA | 25,991 KB/s | 10% | 0% |
| NFS | 51,789 KB/s | 85% | 99% |
iSCSI
Initiator config
Kernel Update Needed
The current kernel does not support iSCSI transport.
The current kernel does not support iSCSI transport.
Host is OpenRD
- Install the iscsi-initiator-utils package.
- Placed "InitiatorName=iqn.2000-10.ca.on.senecac.hongkong" in /etc/iscsi/initiatorname.iscsi
- Start the iscsi and iscsid services.
- Discover the remote targets: iscsiadm -m discovery -t sendtargets -p hongkong:3260
- List the targets: iscsiadm -m node -- the remote target(s) should be shown.
- Login to the targets: iscsiadm -m node -l
- You will now have an additional scsi disk device. Use this as one element of a RAID-1 array, using local storage (an LV or a looped-back file) as the other element.
- Mount the new RAID-1 array and create a filesystem on it. Place some files there.
- Unmount the filesystem, stop the array, log out of the iSCSI disk (iscsiadm -m node -u).
- Verify that the filesystem can be locally read on the machine hosting the target.
PATA/USB Config
- PATA drive connected via USB
- Device is /dev/sda1 if no other storage is connected
Target Config
- Host is HongKong
- IQN is "InitiatorName=iqn.2000-10.ca.on.senecac.hongkong"
- Target is "target0" which is connected to the LV HongKong/arm1iscsi, size 2GB
