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Topic: Seek time


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HDD
IPD

In the News (Fri 18 Dec 09)

  
  Beyond Access Time
Seek time is dependent upon how far the laser head has to travel to reach the requested data.
Average seek time - the time it takes for the head to be positioned over the data - is usually calculated by taking an average of worst-case and best-case scenarios or the time it takes for the head to move one-third the radius of the disk.
As with seek time, rotational latency is usually given as an average of worst-case and best-case scenarios and is equal to the time it takes for the disk to spin half a rotation.
www.infotivity.com /mark_n.htm   (1138 words)

  
 Seek time - Wikipedia, the free encyclopedia
Seek time is one of the several delays associated with reading or writing data on a computer's disk drive, and somewhat similar for CD or DVD drives.
This process is known as seeking, and the time it takes for the head to move to the right place is the seek time.
Seek time for a given disk varies depending on how far the head's destination is from its origin at the time of each read or write instruction; usually one discusses a disk's average seek time.
en.wikipedia.org /wiki/Seek_time   (222 words)

  
 Seek Time
Seek time is one of the most commonly discussed metrics for hard disks, and it is one of the most important positioning performance specifications.
Seek time is normally expressed in milliseconds (commonly abbreviated "msec" or "ms"), with average seek times for most modern drives today in a rather tight range of 8 to 10 ms.
Seek time is almost entirely a function of the design and characteristics of the hard disk's actuator assembly.
www.storagereview.com /map/lm.cgi/seek   (1021 words)

  
 Ecclesiastes 3:6 A time to search and a time to give up
Ecclesiastes 3:5 A time to throw stones and a time to gather stones; A time to embrace and a time to shun embracing.
Ecclesiastes 3:7 A time to tear apart and a time to sew together; A time to be silent and a time to speak.
OT Poetry: Ecclesiastes 3:6 A time to seek and a time (Ecclesiast.
bible.cc /ecclesiastes/3-6.htm   (677 words)

  
 SAMSUNG learning resource - silent seek
Idle noise is generated mainly by the excitation from the ball bearings inside the spindle motor, and by airflow disturbances inside the HDD during disk rotation.
Seek acoustic noise is defined as the sound level when the HDD is dynamically moving and positioning the actuator assembly from one track location to another.
The best way in minimizing seek time is to maximize both the acceleration to reach a maximum velocity and the deceleration to return to zero velocity at the target location.
www.samsung.com /ca_fr/consumer/learningresources/hdd/whitepapers/pop_white_silentseek.html   (1084 words)

  
 Seek Time
The seek time of a hard disk measures the amount of time required for the read/write heads to move between tracks.
Seek time is normally expressed in milliseconds, with average seek times for most modern drives in the 8 to 12 ms range.
Cutting the seek time of an average read instruction down from 12 ms to 8 ms then, can result in great system performance improvement, because the rest of the system is often sitting and waiting for the hard disk during this time.
www.pcguide.com /ref/hdd/perf/intSeek-c.html   (815 words)

  
 Seek Time
One of the reasons that the initial specs for a disk drive have a large allocation for "settling time" is that when we calculate the raw seek time, then add the fudge factors for back EMF and inductance, the actual seek time eats into the settling allowance.
Head switches and 1-track seeks usually take about the same amount of time; you have to wait for the next sector to see where you are, and a few more to be sure you're where you want to be.
Seek time is usually given as an average, and settling is usually included in the seek time.
www.logicsmith.com /seektime.html   (4788 words)

  
 SEEK jobs database and employment advice
There are thousands of jobs listed on SEEK by recruiters and companies around Australia and New Zealand (to search New Zealand listings faster, visit seek.co.nz) in all different industries and levels — from accounts clerks to engineers, graduates to CEOs.
SEEK's resume also gives you the option of making your saved resume 'Public' or 'Anonymous' allowing SEEK employers and recruiters to come directly to you, making your job search even easier.
SEEK publishes dozens of interesting and original articles and tools relevant to job seeking and career development in our Career Resources area.
jobs.seek.com.au /first_time.htm   (823 words)

  
 SmugBlog: Don MacAskill » Blog Archive » HDD IOPS limiting factor - seek or rpm?
However, this is a little optimistic because when you’re waiting for a 270 degree rotation, seek time doesn’t matter, but when you’re waiting for a 10 degree rotation it does — in fact, if you can’t seek fast enough, you’ll end up waiting for 370 degrees in that case.
And the seek distance matters too, because track-to-track seeks are very fast, while larger seeks take longer (because you have to decelerate the head, find the sync marks, and wait for the arm to stop ringing).
Clearly the “average case” then is a seek of 1/2 the platter (where the “average seek time” comes from) and a 180deg revolution.
blogs.smugmug.com /don/2007/10/08/hdd-iops-limiting-factor-seek-or-rpm   (1730 words)

  
 SEEK Careers/Staffing, Inc. - Full Service Staffing Services
SEEK employees are prohibited from distributing literature of any kind in working areas during working hours.
SEEK is an equal opportunity employer committed to maintaining a workplace free from all forms of illegal discrimination.
SEEK contends that a drug/alcohol-free work environment is vital to the safety and well being of all of its employees.
www.seekcareers.com /job-seekers.cfm?id=15   (1495 words)

  
 National Employment Law Project
As a result, only those part time job seekers that admit or volunteer that they are restricting their availability to part time work will run afoul of restrictive rules.
An estimated weekly benefit for part time jobless workers can be calculated based upon the differences in earnings between part time workers and other workers, and their average duration of UI benefit receipt must be estimated.
The adoption of broader eligibility for part time workers is a better reflection of the role of part time workers in today’s labor market and another step toward equity for low wage and women workers in UI programs.
www.nelp.org /ui/initiatives/part_time/parttimeui0304.cfm   (2367 words)

  
 Seek Time Model
Seek time is the time that it takes to reposition the mover above the relevant tips when servicing a new non-sequential request.
Therefore, the seeking distance and the seek time are relatively short, and depend on the mover movement range.
We can now substitute Equations 17 and 18 in Equation 9 to obtain an expression for the seek time, which is shown in Equation 19.
www.usenix.org /event/fast03/tech/full_papers/dramaliev/dramaliev_html/node10.html   (544 words)

  
 NetStream.seek()
To seek forward from the beginning of the stream or playlist, pass the number of seconds you want to advance.
Method; seeks the specified number of seconds into the recorded stream that is currently playing, either from the beginning of the stream or from the current position.
For example, if you want to seek to time 15, and there are keyframes only at time 11 and time 17, seeking actually starts from time 17 instead of time 15.
www.adobe.com /livedocs/fms/2/docs/00000592.html   (327 words)

  
 CUBIC AWARENESS ONLINE - You Must Seek Time Cube!
And, for the first time, CubicAO features a full, sequential proof—one that makes it even clearer that Time Cube is the absolute, ultimate proven truth of the universe.
And his highest discovery was that of the eternal recurrence—a postulated time-circle that was a precursor to the discovery of Time Cube.
For when the circle of time foldback is divided into 4 corner quadrants, and positioned between two static opposites, then the circle is squared and the Cubic geometry is formed.
www.cubicao.tk   (1585 words)

  
 Sorting by size and the seek time
Seek time is the time delay between 2 files, caused by the harddisk heads having to move.
Average seek time is the average of all the seek times between any 2 files on disk.
Most modern hard drives, once they seek to the wanted track, all the data on that track is loaded into the (MB size) cache.
www.kessels.com /forum/index.php?topic=415.0   (448 words)

  
 SEEK - Privacy Statement
SEEK utilises this information to improve and enhance our services by monitoring the areas on the site which are most popular to you.
SEEK requests that you provide information relating to your employment preferences as well as your email address so that we may notify you via email of jobs specific to your needs.
SEEK resumes give you the option of also providing sensitive information relating to professional associations and memberships, however it is not mandatory to complete this in order to use SEEK services.
www.seek.com.au /general_id_items/content/privacy.ascx   (1575 words)

  
 Size, seek time, rotation speed, mean time between failure - Choosing the Best Type of IDE Hard Drive - Epinions.com
IDE hard drives are currently sold based on several parameters: size (in gigabytes), seek time (in milliseconds), rotation speed (5400, 7200, or 10000 rpm), buffer size (512k, 1 meg, 2 meg) and specific interface type (ATA/33, ATA/66).
Latency is the time between when the computer requests a chunk of information and the first bit of it appears.
For hard drives, this is determined by two things: how long it takes to move the read head over to the track you need to read, and how long it takes the disk to spin around until the data you want is under the read head.
www.epinions.com /cmd-review-74AE-10919B0E-393D9E1E-prod1   (937 words)

  
 Sweetwater inSync
The seek time depends on the power of the servo motor that moves the head, the mass of the heads, the number of tracks traversed and the time taken to position the heads over the target track accurately enough to start data transfer (which includes several variables).
The terms seek time and access time are often used interchangeably.
Technically speaking, however, the access time is often longer than the seek time because it includes a brief latency period.
www.sweetwater.com /insync/word.php?find=SeekTime   (169 words)

  
 What is seek time? - A Word Definition From the Webopedia Computer Dictionary   (Site not responding. Last check: )
Refers to the time a program or device takes to locate a particular piece of data.
For disk drives, the terms seek time and access time are often used interchangeably.
Technically speaking, however, the access time is often longer the seek time because it includes a brief latency period.
www.webopedia.com /TERM/s/seek_time.html   (74 words)

  
 SignOnSanDiego.com > News > Education -- Part-time teachers seek own union
The breakaway attempt comes at a time when the United Faculty and the Grossmont-Cuyamaca district are negotiating salary for the current school year.
The union is seeking a 5 percent pay increase for all its members.
In addition it is seeking extra pay, a health care plan and other benefits for part-time instructors, Close said.
www.signonsandiego.com /news/education/20060506-9999-2m6part.html   (619 words)

  
 Overburdened employees seek time management tips - Pittsburgh Tribune-Review
His advice is for people to take a hard look periodically at how they spend their time and purge tasks that are no longer necessary.
Workers also can create more time for important work by "controlling the nibblers." This can be as simple as discouraging colleagues from dropping in to chat by closing the office door or activating their phone answering machines to capture calls.
She also said that learning to "map" her time -- that is, assigning specific time slots on her calendar for each day's tasks -- helps ensure that priority projects get the attention they need.
www.pittsburghlive.com /x/pittsburghtrib/s_414987.html   (1008 words)

  
 Westray.org Steed's Journal: A Time to Seek and a Time to Lose
She spends much of her time in the Golden Circle Shadow from which her mother hailed on a very opulent and remote estate.
Llewella spends most of her time in Rebma, as she always has, though she is present at all functions in which it is appropriate for her to appear.
Sand is the leader of Amber’s armies, at one time not much of fighting force compared to Gérard’s marines or Julian’s rangers, but she has made them a crack special operations force for pursuing the Royal agenda both within and without the Golden Circle.
calwestray.tripod.com /Amber/time_to_seek.htm   (3041 words)

  
 SEEK Infotech LLC.
Seek is a custom software development firm dedicated to providing affordable quality solutions.
At SEEK InfoTech, we have a simple, one-point mission: To be on par with the world’s leading IT solution providers offering quality solutions on time, every time.
SEEK InfoTech offers you the right mix of talent, skill, infrastructure and innovative ideas to give you the key competitive advantage.
www.seekinfotech.com   (218 words)

  
 It's Time To Seek The Lord
In regards to our seeking God, it is first of all necessary for God to seek us before we are able to seek him.
One of the problems in seeking God is that he, by his very nature, is hidden from us.
We are encouraged to seek the Lord like we would seek great treasure: "and if you look for it as for silver and search for it as for hidden treasure, then you will understand the fear of the LORD and find the knowledge of God" (Prov.
www.churchisraelforum.com /its_time_to_seek_the_lord.htm   (1696 words)

  
 Workplace tensions rise as dads seek family time - USATODAY.com
Their situation reflects the conflicts that are becoming increasingly common in workplaces across the nation, as fathers press for more family time and something other than a traditional career path.
Johnson had a daughter and argued that the policy was discriminatory because it allowed biological mothers and adoptive parents to use the accrued sick leave, but not biological fathers.
The flexibility also is crucial for Scott, who credits his boss, Himmelrich, for allowing him to take time when needed for family, even though the dads have different approaches to time at the office.
www.usatoday.com /money/workplace/2007-12-10-working-dads_N.htm?loc=interstitialskip   (1918 words)

  
 "Time to Seek the LORD"
This time of our lives, when we were yet in the “horrible pit” and the “miry clay,” demonstrated to us the vanity and contemptibleness of living under the influence of this world’s spirit.
Time is an element we do well to take into consideration if we hope ultimately to reach the heavenly city.
Because the time in which ‘to seek the LORD’ is limited, the Apostle Paul was not remiss in instructing what would be the wise course for us to pursue.
www.dawnbible.com /1999/9901cl-4.htm   (2805 words)

  
 MITRA Introduction -- Admission Control with GSS
A building component is a function, termed seek(#cyl), that estimates the disk seek time.
Its output is an estimate of the time required to perform the seek operation using the models of [GSZ95].
The subtracted portion reflects the maximum seek time of the request that was just scheduled and the seek time of n-1 other active requests.
perspolis.usc.edu /Users/zimmerma/mitra/report_14.html   (352 words)

  
 Columbine families seek time
In a motion filed Wednesday and made available by the court Friday, the three families said they needed more time because much of the evidence was in the sheriff's report on the shootings, which was not released until after they filed their lawsuit in April.
The families were among several who sued just before a one-year deadline for filing lawsuits, claiming Sheriff John Stone and other Jefferson County officials were in part responsible for the carnage at Columbine on April 20, 1999, when two teen gunmen killed 12 students and a teacher before killing themselves.
After successfully seeking an extension themselves, county officials moved to dismiss the lawsuit early this month, arguing they are not liable for the actions of the gunmen.
denver.rockymountainnews.com /shooting/0701col3.shtml   (262 words)

  
 Indian energy firms seek time for plans : Energy Environment
The Ministry of Petroleum and Natural Gas, which faces a different request from Cairn Energy over development plans for its Ambe field, is preparing a new policy to grant extensions to exploration companies for field development plans.
"There is a need to have clear guidelines for the extension of time." The ministry sought the help of the Directorate General of Hydrocarbons for formulating a framework for the guidelines, The Business Line newspaper reported Thursday.
It said the DGH proposal would be referred to the empowered group of ministers for its approval.
www.earthtimes.org /articles/show/70387.html   (338 words)

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