Changes

[[Category:Fedora ARM Secondary Architecture]][[Category:Winter 2010 SBR600]]= Goal = To test the performance of various storage solutions for the [[Fedora ARM Secondary Architecture/ARM hardware|ARM hardware]] devices. = Performance Results = ===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  ===iSCSI===  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 4923 82 31503 30 1827 3 5537 96 59147 84 2514 44 ------Sequential Create------ --------Random Create-------- -Create-- --Read--- -Delete-- -Create-- --Read--- -Delete-- files /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP /sec %CP 16 11785 92 +++++ +++ 21841 99 12533 98 +++++ +++ 21201 100 fedora-arm,2G,4923,82,31503,30,1827,3,5537,96,59147,84,2514.5,44,16,11785,92,+++++,+++,21841,99,12533,98,+++++,+++,21201,100 ==Summary== === Write === {| border="1" cellspacing="0" width="50%" |- ! !Transfer Speed !Percentage Increase !CPU Usage !Percentage Increase |-|align="center"|PATA|align="center"|28,790 KB/s|align="center"|0%|align="center"|24%|align="center"|0%|- |-|align="center"|NFS|align="center"|43,363 KB/s|align="center"|50%|align="center"|16%|align="center"|-50%|- |-|align="center"|iSCSI|align="center"|31,503 KB/s|align="center"|9%|align="center"|30%|align="center"|25%|-|} === Read === {| border="1" cellspacing="0" width="50%" |- ! !Transfer Speed !Percentage Increase !CPU Usage !Percentage Increase |-|align="center"|PATA|align="center"|25,991 KB/s|align="center"|0%|align="center"|10%|align="center"|0%|- |-|align="center"|NFS|align="center"|51,789 KB/s|align="center"|99%|align="center"|85%|align="center"|850%|-|-|align="center"|iSCSI|align="center"|59,147 KB/s|align="center"|127%|align="center"|84%|align="center"|840%|-|} = iSCSI = == Initiator config == 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 100GB == Results == See [[Fedora ARM Secondary Architecture/iSCSI]] for note on problems encountered using iSCSI.