|Subject:||Re: XFS write cache flush policy|
|From:||Joe Landman <joe.landman@xxxxxxxxx>|
|Date:||Sat, 08 Dec 2012 14:51:11 -0500|
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|References:||<CAA_rkDfFUmZzT_kMznsTSNVxdfqfmz=bmJ400wdBOzocgP32eA@xxxxxxxxxxxxxx> <20121208192927.GA17875@xxxxxxx> <5955806.tSHc7WOiJd@saturn>|
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On 12/08/2012 02:40 PM, Michael Monnerie wrote:
Am Samstag, 8. Dezember 2012, 20:29:27 schrieb Matthias Schniedermeyer:I have the same problem, several times.I'd like to chime in here, with a similar issue: I have Linux on my desktop, xfs is the home partition, 16G RAM. One day my system froze, no chance to do a buffer flush via SYS-S/U/B, I had to press the reset button (no power off, just reset). Upon restart, *lots* of files were gone, destroyed, etc, and my KDE desktop wouldn't work anymore. Luckily I have backups, and could restore - but this just shouldn't happen, and it was *much* better with older kernels. What is the problem that metadata isn't written to disk occasionally? I was on 3.6.6 when that happened, now on 3.6.8, so very recent.
I am not sure this is xfs specific ... I think I've had this problem on ext3 in the 3.x (x >= 5) region ... though I am trying to disambiguate this from an mdadm 3.2.6 bug.
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