CN106502844A

CN106502844A - A kind of method of the sAS port bandwidths of test RAID memory Is O

Info

Publication number: CN106502844A
Application number: CN201610886807.9A
Authority: CN
Inventors: 戈文龙
Original assignee: Zhengzhou Yunhai Information Technology Co Ltd
Current assignee: Zhengzhou Yunhai Information Technology Co Ltd
Priority date: 2016-10-11
Filing date: 2016-10-11
Publication date: 2017-03-15

Abstract

The present invention discloses a kind of method of the SAS port bandwidth of test RAID memory Is O, is related to memory test technology, and the automatized script that is write using perl language under Linux system, based on FIO, is tested to the bandwidth of port by SAS lines；Mainly comprise the steps：1）The serial number of I/O in scanning memorizer, 2）Automatic decision I/O types automatically load driver script, 3）Hardware detection, 4）The IP of upper and lower I/O is set；I/O is restarted after success under setting system；5）Whether the IP settings of detection I/O are successful, and 6）Execute the bandwidth test of IO SAS ports.Present invention test whole-course automation is executed, and preserves test log, is reduced unnecessary interactive process, is saved the resources such as manpower, time, cost, improve testing efficiency and accuracy, while the coverage rate of test is high, it is ensured that product turnout quality.

Description

A kind of method of the sAS port bandwidths of test RAID memory Is O

Technical field

The present invention relates to memory test technology, specifically a kind of SAS port band of test RAID memory Is O Wide method.

Background technology

RAID（Redundant Arrays of Independent Disks, disk array）Memorizer is a kind of cheap Redundant arrays of inexpensive disks, using the teaching of the invention it is possible to provide an independent large storage facilities solution.There is provided using indivedual disks in RAID Addition effect produced by data, lifts whole disk system efficiency, improves hard-disk system capacity, speed, data is more pacified Entirely, the management of more easily disk.When any one disk failure, data can be still read, in data reconstruction, data is passed through Again insert in new hard disk after calculating.

RAID memorizeies have partition：Deblocking is write on the disk in array；Interleaving techniques：To distributed Data be written and read using staggered form, improve access speed；Reunion technology：To multiple disk space re-mappings, data are pressed Space storage after according to addressing.RAID memorizer main features are as follows：1st, physically multiple disks, but operating system sees it is one Logic magnetic disc；2nd, on disk memory of the data distribution in disk array；3rd, being improved using redundancy and calibration technology can Property is leaned on, data can be recovered；4th, RAID speed is fast, capacity is big, low in energy consumption, low price, easily extension.RAID disk array is supported Automatic fault detection hard disk, the data for rebuilding hard disk bad rail, support are not necessary to the hard disk redundant HotSpare for shutting down, and support to be not necessary to The hard disk of shutdown is replaced HotSwap, expands hard-disk capacity etc..

Now with the continuous development of IT field technology, in view of RAID memorizeies have many advantages, such as, when becoming big data The main flow product in generation, also with gradually increasing for field is set foot in, market accessor demand gradually increases.Company's memorizer shipment Amount is increasing, and can be reach produces the punctual shipment of deploying on time, and the prestige for being not only related to company also represents a company Production capacity, while also contributing to the satisfaction of client.Enterprise focuses on also requiring that quality is secure while speed of production, right In research and development and the test request more and more higher of production.Either research and development section or the test of production line, the test of product can be high Imitated completes it is critical that a link.

For the test of memorizer, the incision for carrying out automatization is necessary；So the SAS port to RAID memory Is O Bandwidth test is a particularly important test link.However, the SAS port bandwidth test of RAID memory Is O is always at present One manually-operated project, needs a large amount of manual operations to participate in, and this just inevitably occurs as anthropic factor is made Into error, cause test inaccurate, the testing time, long efficiency was low, will not produce again test log, test management and control not comprehensive enough, Product quality cannot be ensured.

Content of the invention

Demand and weak point of the present invention for the development of current technology, there is provided a kind of SAS of test RAID memory Is O The method of port bandwidth.

A kind of method of the SAS port bandwidth of test RAID memory Is O of the present invention, solves above-mentioned technical problem and adopts Technical scheme is as follows：A kind of method of the SAS port bandwidth of test RAID memory Is O, under Linux system, makes The automatized script that is write with perl language, based on FIO, is tested to the bandwidth of port by SAS lines；Mainly include as follows Step：1）The serial number of I/O in scanning memorizer, 2）Automatic decision I/O types automatically load driver script, 3）Hardware is examined Survey, 4）The IP of upper and lower I/O is set；I/O is restarted after success under setting system；5）Whether the IP settings of detection I/O are successful, and 6）Execute The bandwidth test of IO SAS ports.

Preferably, memorizer and server are connected using SAS lines, netting twine, Serial Port Line, and survey is installed in server end The automatized script of examination.

Preferably, the step 2）Automatic decision I/O types automatically load driver script, if load successfully automatization's foot This continuation, loading unsuccessfully print error, re-execute automatized script after processing exception.

Preferably, the step 3）Hardware detection, captures information by Serial Port Line and SAS lines, automatic decision server with The connection status of memorizer and the situation in place of modules, continue to run with if state is all normal, if judging memorizer end And server end has exception then can report an error in terminal " test fail ", while printing error information, after queueing problem, continue weight New test.

Preferably, the step 5）Whether the IP settings of detection I/O are successful, proceed lower pacing examination, no if success Successful then terminate, end print goes out error information；Then abnormal retesting is excluded.

Preferably, the step 6）Execute the bandwidth test of IO SAS ports；If bandwidth test is normal, continue test, Stopping is tested if bandwidth does not reach standard, and end print goes out error information, retests after solving abnormal problem.

Preferably, port test executes 2h, if period test fail, test after end print error information stops, solving Retest after abnormal problem；If test pass, prints test pass, test terminates.

A kind of method of the SAS port bandwidth of test RAID memory Is O of the present invention has compared with prior art Beneficial effect is：The automatized script write by perl language under linux by the present invention, test whole-course automation are executed, And test log is preserved, unnecessary interactive process is reduced, the resources such as manpower, time, cost is saved, is improve test Efficiency and accuracy, while the coverage rate of test is high, it is ensured that product turnout quality；The method is simple to operate, without the need for experience Associative operation can be completed, any defective product can all be blocked and be accurately positioned problem, can be applicable to most of storages Device product, with preferable popularizing value.

Description of the drawings

Accompanying drawing 1 is a kind of implementing procedure figure of the method for the SAS port bandwidth of test RAID memory Is O.

Specific embodiment

For making the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, to this A kind of method of bright SAS port bandwidth of test RAID memory Is O is further described.

Embodiment：

The method for testing the SAS port bandwidth of RAID memory Is O described in the present embodiment, is deposited based on FIO tests under linux The SAS port bandwidth of the IO of RAID type in reservoir, the automatized script that is write using perl language, based on FIO, by SAS Line is tested to the bandwidth of port；And the test log of generation is printed upon terminal, while also preserve on the server, allow survey Examination has absolute guarantee.The FIO is I/Oc testing tool, and for benchmark test and pressure/hardware verification, it supports I/O engines of number of different types, such as sync, mmap, libaio, posixaio, SG v3, splice, null, Network, syslet, guasi, solarisaio etc., it can work on block device and file.

Implementing procedure figure of the accompanying drawing 1 for the method for the SAS port bandwidth of test RAID memory Is O, such as 1 institute of accompanying drawing Show, the specific implementation process of the method is as follows：

1st, hardware test environment is built；After getting out the materials such as HBA card, SAS lines, netting twine, Serial Port Line, HDD, by memorizer Connect with server；

Build STE；Server end installs test automation script（Carry USB flash disk mount/dev/sdb4/mnt; Replicating can cp/mnt/port_chk/usr/local/bin/Neptune/;）；

2nd, automatized script is executed under system（Plus execute authority chmod+x port_chk；Execute order ./port_chk）； Log synchronous productions (during log can be write on automatically with the file of time name, can be specified by configuration file with oneself by path；Foot This interruption log terminates automatically)；

3rd, the serial number of in memorizer I/O is scanned, and automatized script recalls related data in data base according to serial number；

print "Please scan uiom sn[]: ";

chomp($uiom_sn=<STDIN>);

4th, automatic decision I/O types automatically load driver script, load successfully automatized script and continue, and loading is unsuccessfully printed Error, re-executes automatized script after processing exception；

sub load_driver;

If ($ fc) { `modprobe mptfc` } -- the I/O of FC types

If ($ sas) { `modprobe mptsas` } --- the I/O of SAS types；

5th, hardware detection, captures information by Serial Port Line and SAS lines, automatic decision server and the connection status of memorizer and each The situation in place (including HDD, SAS lines, the connection status of FC lines, the state of IO) of individual module, if state is all may proceed to for OK Operation, if judging to report an error in terminal " test fail " if memorizer end and server end have exception, while print error Information, continues to retest after queueing problem；

sub get_device

my ($encl) = @_;

my @sg_map = `sg_map -x -i`;

Step on serial ports：

@MCports = ();

@FUports = ();

for (1..$expectedUUTs) {

my $slot = $_;

for (A,B) {

my $ctrl = $_;

my $mc = getConfig("uut$slot.ctrltest.ctrl$ctrl.com2");

my $fu = getConfig("uut$slot.ctrl$ctrl.fu");

push @MCports, $mc;

push @FUports, $fu;

6, the IP of upper and lower I/O is set；I/O is restarted after success under setting system；

if($is_iscsi and $restarting) {

# setting new iSCSI IPs seems to help iscsi reliability

printout("both","\nSetting new IPs on all controllers...\n\n");

} else {

printout("both","\nSetting unique IPs on all controllers...\n\n");

}

if ($ctrl eq 'a') { $last = '1' } else { $last = '2' }

$set_ip_address = "10.0.0." . $slot . $last;

7th, the IP of detection I/O arranges whether success, successful then proceed lower pacing and try, and unsuccessful, script terminates, and terminal is beaten Print off error information；Then abnormal retesting is excluded；Continue next step test if IP is arranged successfully；

unless($noSetup == 1){

unless(set_and_verify_ip_address($ctrl)) {

printout("both","ERROR ! Could not set Controller $Ctrl on $mc to IP address $set_ip_address\n");

exit(1);

8th, the bandwidth test of IO SAS port is executed；If bandwidth test is normal, continues test, survey if bandwidth does not reach standard Examination stops, and end print goes out error information, retests after solving abnormal problem；

foreach(@FIO_RESULTS) {

dprint("[$sgstr]:$_");

if ( $_ =~ /io\-1/ ) { $fionum = 1;

}elsif( $_ =~ /io\-2/ ) { $fionum = 2;

$fiobw = ( split /bw\=/, $_ )[1];

$fiobw = ( split /\/s/, $fiobw )[0];

if( $fiobw =~ /MiB/, $fiobw ){

$fiobw = 1 * ( split /MiB/, $fiobw )[0];

9th, port test executes 2h, if period test fail, test after end print error information stops, and solves abnormal problem After retest；If test pass, prints test pass, test terminates.

The method for testing the SAS port bandwidth of RAID memory Is O described in the present embodiment, the automatized script for being used Particular content is as follows：

foreach(@FIO_RESULTS) {

dprint("[$sgstr]:$_");

if ( $_ =~ /io\-1/ ) { $fionum = 1;

}elsif( $_ =~ /io\-2/ ) { $fionum = 2;

}elsif( $_ =~ /io\-3/ ) { $fionum = 3;

}elsif( $_ =~ /io\-4/ ) { $fionum = 4;

}elsif( $_ =~ /read\s+\:/ or $_ =~ /write\:/ ){

$fiobw = ( split /bw\=/, $_ )[1];

$fiobw = ( split /\/s/, $fiobw )[0];

if( $fiobw =~ /MiB/, $fiobw ){

$fiobw = 1 * ( split /MiB/, $fiobw )[0];

}elsif($fiobw =~ /KiB/, $fiobw ){

$fiobw = 0.001 * ( split /KiB/, $fiobw )[0];

}else{

$fiobw = 0;

}

$fioio = ( split /io\=/, $_ )[1];

$fioio = ( split /bw/, $fioio )[0];

if( $fioio =~ /MiB/, $fioio ){

$fioio = ( split /MiB/, $fioio )[0];

$fioio =~ s/\,//g;

$fioio = 1 * $fioio ;

# test port bandwidth

sub load_driver {

#fill something

if($fc) {`modprobe mptfc`}

if($sas){`modprobe mptsas`}

@lsmod_out=`lsmod | grep mptsas`;

until(@lsmod_out) {

printout("both","SAS driver not loaded\n");

printout("both","loading SAS driver...\n");

system("modprobe mptsas");

sleep 5;

@lsmod_out=`lsmod | grep mptsas`;

}

# loads the driving of IO

$CS::failSub=\&serialWarn;

$tmpUUTs=0;

$CS::no_close = 0;

# calls packet, enters serial ports；

if($defaultsOnly) {

printout("both","detecting attached controllers...\n");

} else {

if($is_iscsi and $restarting) {

# setting new iSCSI IPs seems to help iscsi reliability

printout("both","\nSetting new IPs on all controllers...\n\ n");

} else {

printout("both","\nSetting unique IPs on all controllers...\ n\n");

}

if(not $defaultsOnly) {

unless(boldly_go($mc)) { exit(1) }

@FDE = CS::serial("set fde-state repurpose", "#"); # harmles s if MC CLI don't support

printout("log","'set fde-state repurpose' result:\n@FDE");

unless($noSetup == 1){

unless(set_and_verify_ip_address($ctrl)) {

printout("both"," ERROR ! Could not set Controller $ Ctrl on $mc to IP address $set_ip_address\n");

exit(1);

}

$ip_address = CS::get_ip($ctrl);

printout("log"," Controller $Ctrl on $mc IP address set to $ ip_address (mcIndex=$mcIndex)\n");

}

# arranges the IP of IO.

Above-mentioned specific embodiment be only the present invention concrete case, the present invention scope of patent protection include but is not limited to Above-mentioned specific embodiment, any person of an ordinary skill in the technical field that meet claims of the present invention and any The appropriate change or replacement done by which, should all fall into the scope of patent protection of the present invention.

Claims

1. a kind of method of the SAS port bandwidth of test RAID memory Is O, it is characterised in that under Linux system, uses The automatized script that perl language is write, based on FIO, is tested to the bandwidth of port by SAS lines；Mainly include following step Suddenly：1）The serial number of I/O in scanning memorizer, 2）Automatic decision I/O types automatically load driver script, 3）Hardware detection, 4）The IP of upper and lower I/O is set；I/O is restarted after success under setting system；5）Whether the IP settings of detection I/O are successful, and 6）Execute IO The bandwidth test of SAS port.

2. a kind of method of the SAS port bandwidth of test RAID memory Is O according to claim 1, it is characterised in that make Memorizer and server are connected with SAS lines, netting twine, Serial Port Line, and the automatized script of test is installed in server end.

3. a kind of method of the SAS port bandwidth of test RAID memory Is O according to claim 2, it is characterised in that institute State step 2）Automatic decision I/O types automatically load driver script, if load successfully automatized script continuing, loading is unsuccessfully beaten Print error, re-executes automatized script after processing exception.

4. a kind of method of the SAS port bandwidth of test RAID memory Is O according to claim 3, it is characterised in that institute State step 3）Hardware detection, captures information by Serial Port Line and SAS lines, the connection status of automatic decision server and memorizer and The situation in place of modules, continues to run with if state is all normal, if judging that memorizer end and server end have exception Can report an error " test fail " in terminal, while printing error information, continue to retest after queueing problem.

5. a kind of method of the SAS port bandwidth of test RAID memory Is O according to claim 4, it is characterised in that institute State step 5）Whether the IP settings of detection I/O are successful, proceed lower pacing examination if success, unsuccessful, terminate, and terminal is beaten Print off error information；Then abnormal retesting is excluded.

6. a kind of method of the SAS port bandwidth of test RAID memory Is O according to claim 5, it is characterised in that institute State step 6）Execute the bandwidth test of IO SAS ports；If bandwidth test is normal, continue test, if bandwidth does not reach standard Test stops, and end print goes out error information, retests after solving abnormal problem.

7. a kind of method of the SAS port bandwidth of test RAID memory Is O according to claim 6, it is characterised in that end Mouth test execution 2h, if period test fail, test after end print error information stops, being surveyed after solving abnormal problem again Examination；If test pass, prints test pass, test terminates.