Re: [gentoo-user] Hard drive storage questions

[Bill Kenworthy <billk@iinet.net.au>]

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