Which advanced volume setting in Xsan Admin affects the performance of many metadata operations?
Buffer Cache Size
Block Allocation Size
Which file contains the IP addresses of all metadata controllers in an Xsan SAN?
Which action will increase the storage capacity of an established Xsan SAN without requiring you to unmount or stop any of the Xsan volumes in the SAN?
Add LUN(s) to the SAN.
Add volume(s) to the SAN.
Addstorage pool(s) to the SAN.
Reduce the Xsan volume's block allocation size.
Using Xsan Admin, you are creating a new storage pool named Affinity on your Xsan volume, but Xsan Admin will not let you add the storage pool. Which step should you perform so that you can complete your task?
Give the storage pool a name that is not reser2v6ed by Xsan.
Disable ACLs on the Xsan volume before adding the storage pool.
In Terminal, use the cvadmin tool with the -affinity optionto add the storage pool.
Create a folder and assign it to a group called "Affinity" with read/write access to the folder.
Review the screenshot of the Xsan Admin's Expand Volume pane, then answer the question below.
You want to assign the JandMandD affinity tag to the xsan1data6 LUN shown in the screenshot. You stop the Xsan volume, and try to add the xsan1data6 LUN, but you are unable to do so. Which statement offers the MOST LIKELY explanation for this behavior?
Storage pools can only contain an even number of LUNs.
You cannot add smaller LUNs to a storage pool that already contains larger LUNs.
You cannot expand storage pools that store journaling data and metadata after they are created.
You must change the volume's File Expansion Max setting, which requires that you destroy and then recreate the volume, before adding the LUN.
Xsan volume names can be no longer than characters.
You have several 4 TB LUNs from an older Xsan installation that you want to reuse in a new Xsan 2 volume. When you open the Xsan Admin utility that was installed with Xsan 2, the LUNs are shown as 2 TB in size. To use the full capacity of these LUNs, which step should you complete before adding the LUNs to storage pools in the new Xsan 2 volume?
In Terminal, enter cvfsck -K to reset the journal for these LUNs.
Using Disk Utility, reinitialize the LUNs by clicking the Erase button.
In Terminal, enter snfsdefrag -s to reclaim the unused portion of the LUNs.
Using Xsan Admin, select the LUNs, and from the Action pop-up menu choose Remove LUN Label, and then Change LUN Label to relabel the LUNs.
You have two Xsan 2 volumes, Vol1 and Vol2, and you want to move the LUNs from Vol1 to Vol2. Which statement describes a supported method of preparing LUNs from Vol1 for use in Vol2?
In Terminal, enter the command sudo xsanctl destroy Vol1.
InFinder, delete the cvlabels file on the active metadata controller.
Using Disk Utility, click the Erase button to reinitialize the Vol1 LUNs.
Using Xsan Admin, select Vol1 from the SAN Assets column and choose Destroy Volume from the Action pop-up menu.
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Usually, before anyone decides to take the Apple certification, they all begin as a general Mac user that has a knack for fixing Macs by you that does not jeopardize the warranty. But sometimes, you cannot get further if you not undergo some certification programme that upgrades your knowledge on Macs. Each operating system of Apple products requires a certificate and a test usually cost about USD 200 for about 90 minutes where you can get your results almost immediately.
There are a few types of certification programmes; Server Administration Certification, Hardware Repair Certification, Apple ized Service Provider, Apple Certified Support Professional, Apple Certified Technical Coordinator, Apple Certified Systems Administrator, Apple Certified Media Administrator and Apple Certified Macintosh Technician.
For the Server Administration Certification, it has a few levels. The first level is known as the Apple Certified Technical Coordinator (ACTC) where you sit for a Server Essential exam. The next level of the certification is the Apple Certified Systems Administrator (ACSA) that consists of four exams which you will have to pass. Another level is the Apple Certified Media Administrator (ACMA) which is also the final level. exam: 9L0-062
Onto the Hardware Repair Certification, the basic certification is the Apple Certified Macintosh Technician (ACMT) that basically allows you to do warranty repairs on Apple product. What you need would be skills such as hardware repair and software troubleshooting. There would be two exams that a candidate will have to undergo and pass. exam: 9L0-625
For the Apple Certified Support Professional (ACSP), a candidate must have a basic knowledge on Mac OS and troubleshooting where they will sit for one exam. As for the Apple Certified Technical Coordinator (ACTC), you will have to sit for two exams that require deeper knowledge of the Mac OS. To obtain the Apple Certified Systems Administrator (ACSA), one must have even deeper technical knowledge of the Mac OS and you will have to sit for four exams. exam: ">9L0-622
The following certifications are for candidates that need a high level skill in the Apple products and they are known as Pro Application Users. These users have some great opportunities in the future for working in some large organizations. These users can easily get good jobs with high pay. Moreover, there is a great chance for the success and growth of their careers because they learn a lot from these tests and only those users can be succeeded in these tests that are succeeded to get a tremendous knowledge about the apple products.
The level one Apple Certified Pro will have to pass an exam from ten options. The level two Apple Certified Pro will have to pass two exams is the programme called Final Cut Pro 7 while the Final Cut Apple Certified Master will have to pass four exams where Final Cut Pro 7 is not an option and they can choose three more types of exams from six options. Exam: 9L0-827
To obtain the Logic Studio Master Pro certification, candidates will have to sit for two exams while for the Xsan 2 Administrator certification, candidates will have to pass one exam. To be an Apple Certified Media Administrator, a candidate will have to sit for 4 exams where three are non optional exams, while they have to choose one more exam out of four available options. Check out the complete list of Apple Certifications and related exams.
Article by ArticleForge
I remember way back, long ago, before the iPad, and before the iPhone, Apple had official certification training for OS X Server. I think I got my first certification around 10.3. Over time, additional courses appeared. There was an Xsan course, there was an OS X Server course, and there were plans for more. At the height of the Apple certification program, you could get the following for a full on systems administration plethora of acronyms, including ACDT, ACTC, ACSA, and ACMA:
You could also go further and get an Apple Certified Trainer designation (ACT) and be able to teach these classes. Certifications aren’t everything, so it was certainly possible to get certified without having the skills, or to get l33t without getting the certs. However, they were a good guidepost for me when hiring and there were certain activities I engaged in with Apple that having the certifications was either required or extremely helpful.
But over time, Apple shifted its focus elsewhere. After the release of the iPad (and subsequent gangbuster sales of the product), the number of services and the viability of using some of those services in large environments (e.g. due to the death of the Xserve and Xserve RAID), have both decreased sharply. Meanwhile, the ease of use of the services has sharply increased. A simpler product required less training, so the ACSA went away. Additionally, Final Cut Server as a product was removed from Apple’s portfolio and so the ACMA certification disappeared. By 10.10, there were two courses for OS X and OS X Server (ACTC) and another for hardware that’s much more specific to hardware repair.
But as with the Highlander, for 10.11, there can be only one. OS X Server no longer has a course. So today, I’ll say adios, Server certs. I spent a lot of time on you. I will miss you. Or notsomuch. TBD. It’s a different world…
The book for the OS X Server 10.11Server 5 course is still being made. I’ve heard it should be out in January. And I’ll keep writing articles and books about this stuff for as long as it’s viable. So there’s content. And I’m sure (like really sure) that there will be a third party that introduces a certification for OS X Server. So stay tuned for more on that! And be assured that the end of one era usually represents the beginning of a new era. Those on that boat to the new era usually do well!
krypted November 10th, 2015
Posted In: certifications, Mac OS X, Mac OS X Server
ACHDS, apple certifications, apple certified systems administrator, apple certified technical coordinator, OS X Server
One thing about the Visual Studio interface has often bothered me: There is not a very good way to bookmark code - by that I mean the "bookmark" feature does not work very well. Although I am able to set and clear bookmarks using the bookmarks toolbar in code, it does not highlight code in editor like Breakpoints do. For that reason, I usually use breakpoints when working my way through code, and I wonder how many developers do the same.
The VS Options Interface gives you the option to change the FontsColors of the bookmarks by changing the background color of the custom text. However in order to get this to work you have to remove disable the Indicator margin as explained in How to change a bookmark color?. Although this is better this results in not being able to add and remove break points as easily.
By default (at least as my keyboard is setup) to set a breakpoint in this mode you have to use a function key (F9). Setting and clearing bookmarks using the control keys seem a little awkward as well. A bookmark is toggled by selecting ctrl-K, but you have to select it twice. Scrolling between Bookmarks is done by selecting Ctrl-K, Ctrl-P and Ctrl-K, Ctrl-N.
In the big scheme of thing this is minor, but this is one of those items I wish was implemented better.