Re: [DNG] defective RAID

2017-03-27 Thread Hendrik Boom
On Mon, Mar 27, 2017 at 08:06:15PM +0200, k...@aspodata.se wrote: > Hendrik Boom: > ... > > > If you have /boot on a raid-mirror on all your disks (pref. as first > > > partition) there is no problem making lilo work. Since then it > > > doesn't matter which disk it is booting from, it will load

Re: [DNG] defective RAID

2017-03-27 Thread karl
Hendrik Boom: ... > > If you have /boot on a raid-mirror on all your disks (pref. as first > > partition) there is no problem making lilo work. Since then it > > doesn't matter which disk it is booting from, it will load the kernel > > and possible an initrd/initramfs if you want it to. > >

Re: [DNG] defective RAID

2017-03-27 Thread Hendrik Boom
On Mon, Mar 27, 2017 at 05:20:25PM +0200, k...@aspodata.se wrote: > Hendrik Boom: > ... > > lilo doesn't do RAID assemby, as far as I know. It just starts up > > with a bunch of blocks at a fixed offset from an identified partition, > > identified by UUID, and there's two of these. Now I guess

Re: [DNG] defective RAID

2017-03-27 Thread karl
Hendrik Boom: ... > lilo doesn't do RAID assemby, as far as I know. It just starts up > with a bunch of blocks at a fixed offset from an identified partition, > identified by UUID, and there's two of these. Now I guess at boot > time, it may always pick the right one, or always pick the wrong

Re: [DNG] defective RAID

2017-03-27 Thread Hendrik Boom
On Sun, Mar 26, 2017 at 07:03:53PM +0200, Didier Kryn wrote: > Le 25/03/2017 20:17, Hendrik Boom a écrit : > >I have two twinned RAIDs which are working just fine although the > >second drive for both RAIDs is missing. After all, that's what it is > >supposed to do -- work when things are

Re: [DNG] defective RAID

2017-03-25 Thread Hendrik Boom
On Sat, Mar 25, 2017 at 06:09:34PM -0300, Renaud OLGIATI wrote: ... ... > > 3 Removing The Failed Disk > > To remove /dev/sdb, we will mark /dev/sdb1 and /dev/sdb2 as failed and remove > them from their respective RAID arrays (/dev/md0 and /dev/md1). Possibly too late. My defective RAID

Re: [DNG] defective RAID

2017-03-25 Thread Hendrik Boom
On Sat, Mar 25, 2017 at 09:00:23PM +, Simon Hobson wrote: > Hendrik Boom wrote: > > > I have two twinned RAIDs which are working just fine although the > > second drive for both RAIDs is missing. After all, that's what it is > > supposed to do -- work when things

Re: [DNG] defective RAID

2017-03-25 Thread Ron
On Sat, 25 Mar 2017 15:17:11 -0400 Hendrik Boom wrote: > If I were to manage to reconnect the absent drive, how would the > boot-time RAID assembly work? (/boot is on the RAID). Would it be > able to figure out which of the two drives is up-to-date, and > therefore

[DNG] defective RAID

2017-03-25 Thread Hendrik Boom
I have two twinned RAIDs which are working just fine although the second drive for both RAIDs is missing. After all, that's what it is supposed to do -- work when things are broken.. The RAIDs are mdadm-style Linux software RAIDs. One contains a /boot partition; the other an LVM partition