Fog and self encrypting hard drives



  • I have imaged a Dell Optiplex 790 and am having strange issues occurring. The workstations I just found out have Seagate Momentus Self Encrypting Hard drives with 4K sector size. The boxes image fine but they have extreme night and day performance issues within the OS. I can log into one box and can happily click on apps and they open fast with no issues. I can log onto the same box a day later and it takes 20-30 seconds to open apps that took just seconds the previous day.

    All drivers from Dell have been installed so I don’t think it is any kind of driver based issue at this point. I have rebuilt these from scratch now twice and am baffled. I do not have these problems on the 390’s and 6520 laptops that I fog. These however do not have these self encrypting drives. Has anyone had any experience imaging machines with this type of drive using fog? It seems to be the only x-factor that my other Dell hardware does not have.

    Any insight would be appreciated.

    Thanks



  • I have a bunch of these ST250LT007 Seagate drives (the same Momentus line of drives, but with no encyption) and they work just fine. However, 4K advanced format drives are not supported in FOG yet. You’d have to use FOG .33 (beta still) to image those drives. That is what I am using now and it is working. The beta is not “feature complete” yet, but 4K drive imaging works.

    I’d recommend downloading the beta release to a spare system and doing a few image tests. You could report your success/failures to this forum post:

    [url]http://fogproject.org/forum/threads/bugs-in-fog-0-33.631/page-4#post-3691[/url]

    If you need help getting the latest beta release down, just let me know.



  • We were able to get the drives swapped out with different non Encrypting/Advanced format drives and all has been fine



  • ST250L0007
    [B][SIZE=4]This is a Dell/Seagate issue. Look at:[/SIZE][/B] [COLOR=black][FONT=Times New Roman][URL=‘http://en.community.dell.com/techcenter/enterprise-client/f/4448/t/19443407.aspx’][U][COLOR=#800080]http://en.community.dell.com/techcenter/enterprise-client/f/4448/t/19443407.aspx[/COLOR][/U][/URL] I’ve got 300 Dell Optiplex 990’s with Seagate ST250LM007 drives in them. Deploy one and it’s good for a day, then it gets very slow with the hard drive going nuts for no reason. I’m going to guess it is a Seagate firmware issue with Advanced Format drives. Seagate isn’t very helpful. Dell is working with us. [/FONT][/COLOR]


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