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On Monday, 27 December 2021 11:32:39 GMT Wols Lists wrote: |
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> On 27/12/2021 11:07, Jacques Montier wrote: |
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> > Well, i don't know if my partitions are aligned or mis-aligned... How |
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> > could i get it ? |
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> |
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> fdisk would have spewed a bunch of warnings. So you're okay. |
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> |
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> I'm not sure of the details, but it's the classic "off by one" problem - |
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> if there's a mismatch between the kernel block size and the disk block |
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> size any writes required doing a read-update-write cycle which of course |
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> knackered performance. I had that hit a while back. |
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> |
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> But seeing as fdisk isn't moaning, that isn't the problem ... |
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> |
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> Cheers, |
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> Wol |
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I also thought of misaligned boundaries when I first saw the error, but the |
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mention of Seagate by the OP pointed me to another edge case which crept up |
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with zstd compression on ZFS. I'm mentioning it here in case it is relevant: |
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|
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https://livelace.ru/posts/2021/Jul/19/unaligned-write-command/ |
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HTH, |
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