On 01/26/2018 06:54 PM, Jonathan G. Underwood wrote: > From: Jonathan Underwood <jonathan.underwood@xxxxxxxxx> > > These udev rules attempt to set a safe kernel controller > timeout for disks containing RAID level 1 or higher > partitions for commodity disks which do not have SCTERC > capability, or do have it but it is disabled. > > No attempt is made to change the STCERC settings on devices > which support it. > > This attempts to mitigate the problem described here: > > https://raid.wiki.kernel.org/index.php/Timeout_Mismatch > http://strugglers.net/~andy/blog/2015/11/09/linux-software-raid-and-drive-timeouts/ > > where the kernel controller may timeout on a read from a > disk after the default timeout of 30 seconds and consequently > cause mdraid to regard the disk as dead and eject it from the > RAID array. > > The mitigation is to set the timeout to 180 seconds for disks > which contain a RAID level 1 or higher partition. > > Signed-off-by: Jonathan G. Underwood <jonathan.underwood@xxxxxxxxx> > --- > udev-md-raid-safe-timeouts.rules | 61 ++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 61 insertions(+) > create mode 100644 udev-md-raid-safe-timeouts.rules Applied! Thanks, Jes -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
