On 06/05/15 06:21, Bill Kenworthy wrote: > On 06/05/15 05:50, Neil Bothwick wrote: >> On Tue, 5 May 2015 08:53:29 -0400, Rich Freeman wrote: >> >>> In general btrfs tends to do most of its fixing online. I'd only run >>> btrfs check if the filesystem is unmountable. >> >> That's the only time I've had to use it. This was on a laptop with a >> single SSD, so there was no where to sync good data from. It worked >> without data loss but was very slow, around 12 hours for a 250GB >> filesystem on one occasion. >> >> > > I have two btrfs raid1 multidisk arrays (3x and 5x 2T drives) that take > "forever" to fsck and after a power crash (had two in 2 days :( appear > to hang at the fsck stage on reboot (no disk activity and some hours > later still none.) Ive taken to booting from a usb key and editing > fstab to get a full start and manually fsck - awkward. > > Its been quite awhile now since I've found problems either with an fsck > or a scrub after abusing the arrays so I would like to force a degraded > mount on reboot after a crash. I am using genkernel and openrc - where > can I to modify the boot scripts? (looks like > /usr/share/genkernel/defaults/linuxrc but the actual place to add the > btrfs options isn't obvious) > > BillK > >
Hmm ... looks like its actually /etc/init.d/localmount ... BillK
