disk crashes provoked by tahoe-lafs?

Daira Hopwood daira at jacaranda.org
Tue Apr 15 01:58:49 UTC 2014

On 15/04/14 01:34, Greg Troxel wrote:
> I run tahoe servers on 4 systems in a private grid.  The grid is not
> used much, but I run deep-check --repair --add-lease every week or so,
> when I remember.  The nodes all have lease expiration turned on, but are
> quite unfull.  All are running NetBSD, some -5, some -6.  I do not have
> these filesystems mounted noatime.
> 3 of these nodes are physical machines, with 3 kinds of disks.  All have
> turned up bad blocks.  The 4th is a Xen domU; the dom0 is RAID-1.  One
> of the dom0's disks also had some bad blocks.  This is a notable
> cluster; disk failures are otherwise relatively rare.
> So I really wonder if the lease checking code, or something, is churning
> the disk.
> Has anyone else seen this?

'tahoe deep-check --repair --add-lease' will write to the header of
every share.

Daira Hopwood ⚥

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