Re: swap not enabled if raid devices not in sync when booting
>>>>> "Michael" == Michael Stone <email@example.com> writes:
Michael> On Sun, Jan 14, 2001 at 06:40:44PM +1100, Brian May
>> This is most likely to occur when the power fails, and I don't
>> want to have to be around just so I can manually enable the
>> swap partitions.
>> (side-note: none of my swap partitions use RAID.)
Michael> It is unsafe to use swap on a resyncing raid
Do you have any references for this?
Michael> partition. Both swap partitions and swap files will be
Michael> corrupted if active during a resync. The course taken
Michael> curently is the safest and easiest: if raid is resyncing,
Michael> simply do not activate swap. It should be possible to
Even if this *is* the case, it is still broken behaviour (IMHO), as
the swap space is never enabled even when the RAID partitions have
I imagine anyone who does have swap on RAID needs a reliable computer,
but not having the swap file enabled, if say the power fails, is not
Michael> activate swap on those partitions that are not
Michael> raided. I'm sure the maintainer would be happy to accept
Michael> a patch to implement that. *But* your patch needs to
Michael> check that it never activates any swap on any resyncing
Michael> raid partition.
Why isn't this disabling-of-raid-swap-partitions-until-synced done
inside the kernel if it is potentially so damaging?
Brian May <firstname.lastname@example.org>