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William Kenworthy wrote: |
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> On Sat, 2012-09-15 at 21:42 -0400, Allan Gottlieb wrote: |
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>> On Sat, Sep 15 2012, Kerin Millar wrote: |
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>> |
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>>> Allan Gottlieb wrote: |
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>>>> I was not surprised to see that the latest manual has root+usr combined, |
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>>>> but was surprised that they specify an additional small /boot partition. |
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> ... |
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> |
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> Sorta related ... can someone comment on, or point to a guide about the |
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> relationship between partitioning, LVM and filesystems? In particular, |
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> it seems to me that if you are going to the bother of partitioning to |
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> boundaries, whatever you put into that should also be aligned. |
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|
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There's no bother whatsoever entailed with current release media. If you |
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are setting all of this up on commodity hardware, it's all taken care of |
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for you. |
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|
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So as to satisfy your curiosity, one exception I have encountered is |
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with systems that use LSI MegaRAID hardware. In this case, the |
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information required for tools such as pvcreate and mkfs.xfs to function |
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optimally is not conveyed to userspace. In the unlikely event that you |
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need to take matters into your own hands, you may find this informative: |
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|
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http://www.mysqlperformanceblog.com/2011/06/09/aligning-io-on-a-hard-disk-raid-the-theory/ |
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|
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Cheers, |
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|
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--Kerin |
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