The K-ATOMiCS transmission features a six-speed, fully automatic transmission with an advanced electronic system to reduce shift shock and torque cutoff for exceptional efficiency.GREATER CONFIDENCE WHEN TRAVELING DOWNHILLIncrease operator confidence when traveling downhill through large capacity, continuously cooled, wet multiple-disk brakes that also function as a highly responsive retarder with 684 horsepower absorption capacity.SMOOTH RIDE OVER ROUGH TERRAINDiscover a smooth ride over the rough terrain with front and rear axle hydro-pneumatic suspensions. Komatsu Traction Control System (KTCS) is designed to provide excellent machine performance in soft and slippery ground conditions without sacrificing steering performance.MAXIMIZE TRANSMISSION LIFEPowerful acceleration, smooth down shifting and synchronized engine speed. Designed for durabilityFEATURES & BENEFITSKOMATSU TRACTION CONTROL SYSTEMMonitor and adjust to changing conditions.For job sites where roads may not exist or are not well established, this machine was designed and equipped to deliver productive, consistent performance - for operators of all experience levels.READY FOR TOUGH CONDITIONS Just some minutes and all was fine.KOMATSU HM400-5 - ARTICULATED HAUL TRUCKMove material across challenging, adverse terrain with the HM400-5 articulated truck. In my specific case the disk was assigned as spare, because the spare was automatically set as an active disk to replace the broken one.Enter “ disk assign 2c.01.13” (where 2c.01.13 should be replaced with your current disk name) to assign it.You now know that there is a disk waiting for duty.You should see something similar to this:Ģc.01.13 Not Owned NONE 3QQ2xxxxxxxxxxxxBQT4.Enter “ disk show -n” to get the needed information.After you replaced your disk, check if the disk is recognized by the controller and probably owned on a stack, loop or shelf.I assume you’re still connected with your storage controller.Now you know which disk is broken and want’s to be replaced.ģ) Replace the broken disk and assign it as spare Now you should see the orange LED light showing up.Now let’s light up the LED! Enter “ led_on Disk_name” (=> “ led_on 0a.00.23” in this example) to get the light on.You should see something similar to this: Now we need to find out which disk is defective.Enter “ priv set diag” to enable diagnostics mode.In the next step we enable the diagnostics mode.If you like you can check if Auto-Assign now really is on if you enter “ options disk” again.If Auto-Assign is OFF you can enable it with “ options to_assign on“.You should see something similar to this.Enter “ options disk” to check if Auto-Assign is ON or OFF.Open PuTTy (or an SSH client you like) and connect to the affected storage controller.If you have unowned disks on a stack, loop, or shelf, you can configure Data ONTAP to automatically assign disk ownership at the stack or shelf level. But i’m not the storage pro, i did it step by step with some help of my good old friend Google □ 1) Check Auto-AssignĪuto-Assign is a good feature as i think. I know, the NetApp experts among us will probably cry. Let me show you how i solved this LED specific problem, and how i did the whole replacement process. There should a LED light up in orange, but it didn’t. It didn’t show which disk is defective and thus should be replaced. The disk arrived the next and i had to replace it. About 5 minutes later i had a newly created support case, a support case number, and the confirmation that the replacement disk is processed to be shipped the same day. So then i called NetApp support to ask if there is already a support case for the affected system. Before the phone call i tested it via the OnCommand System Manager, and AutoSupport worked fine. I had to call the NetApp support because i wasn’t sure if NetApp AutoSupport worked correctly. Well, good to receive such mails in the middle of the night from Saturday to Sunday… I received mails from a storage controller at a customer that there is something wrong with the filesystem because a disk is broken. And i had recently a small troubleshooting issue. If it’s setup then there is mostly only the daily business which includes also troubleshooting from time to time. But for example how to setup such storage devices correctly you’ll catch me on the wrong foot. I know what they have in their portfolio (at least some of it). I’m not very familiar with storage, especially with those from NetApp. But as many other post it is also the result of a solution for a specific problem i had recently at a customer. It’s my first post about a storage specific topic.
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