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    SubjectRe: hunt for 2.6.37 dm-crypt+ext4 corruption? (was: Re: dm-crypt barrier support is effective)
    On Tue, Dec 07, 2010 at 09:37:20PM -0600, Jon Nelson wrote:
    > One difference is the location of the transaction logs (pg_xlog). In
    > my case, /var/lib/pgsql/data *is* mountpoint for the test volume
    > (actually, it's a symlink to the mount point). In your case, that is
    > not so. Perhaps that makes a difference? pgsql_tmp might also be on
    > two different volumes in your case (I can't be sure).

    I just tried tried to run t.sql five times with /var/lib/postgres as a
    mountpoint for a 5400 rpm disk, and I still haven't been able to
    replicate it.

    If you can point out how to query pgsql_tmp (I'm using a completely
    default postgres install), that would be helpful, but I don't think it
    would be going anywhere else.

    Still trying....

    - Ted

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