Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
/ 2006-05-16 02:59:04 -0400
\ Maurice Volaski:
> I have (once again) a funky problem with one machine where the underlying hardware RAID device appears to stop responding. The /dev/sdax
> devices are directly mapped to drbd devices and the configuration is
>
> disk { on-io-error detach; }
>
> Since I'm using protocol C, it appears that drbd won't start I/O on the primary until the secondary has completed. So a freeze on one
> machine ends up freezing both of them.
>
> But it appears that problematic computer, which is secondary, has failed severely enough prevent this detachment but still allow drbd's
> "heartbeat" through and it is actually get that heartbeat.
>
> That is, I should be getting a ServerForDLess, but I'm not. I think I've come across this situation before, so I don't think it's
> specific to version 0.7.18.
if lower levels don't report an error back, but just don't report
completion _at all_ we can not do much about it.
> The result of this is essentially the equivalent of a freeze on the primary computer.
read up about ko-count
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