Re: Recovering/Restoring Boot Partition

On 2/24/2014 13:22, Chris Murphy wrote: > > On Feb 24, 2014, at 8:05 AM, Don Levey > wrote: >> I can appreciate that. If this were a mission-critical machine I might >> be able to justify the setup for a regular, hourly, backup. At this >> point, though, that s

Re: Recovering/Restoring Boot Partition

On 2/24/2014 13:14, Chris Murphy wrote: > > .. > > Obviously one of the drives is no longer updated since the raid1 is > not in effect so it's possible any utility will find the state > ambiguous and won't know how to sync the disks, does a overwrite c or > does c overwrite a? Consider that this

Re: Recovering/Restoring Boot Partition

On Feb 24, 2014, at 8:05 AM, Don Levey wrote: > I can appreciate that. If this were a mission-critical machine I might > be able to justify the setup for a regular, hourly, backup. At this > point, though, that seems overkill. If this hadn't been working before, > I would probably just accept

Re: Recovering/Restoring Boot Partition

On Feb 24, 2014, at 8:05 AM, Don Levey wrote: > I can appreciate that. If this were a mission-critical machine I might > be able to justify the setup for a regular, hourly, backup. At this > point, though, that seems overkill. If this hadn't been working before, > I would probably just accept

Re: Recovering/Restoring Boot Partition

On 2/22/2014 21:37, Chris Murphy wrote: > > On Feb 22, 2014, at 12:46 PM, Don Levey > wrote: > >> On 2/21/2014 11:38, Chris Murphy wrote: ... >> >>> What do you get for: >>> >>> mdadm -E /dev/sda mdadm -E /dev/sdc >>> >>> >> (this time, with commands, because I can learn. :-) ) >> >> [root@

Re: Recovering/Restoring Boot Partition

On 23.02.2014 03:37, Chris Murphy wrote: ... > I haven't done a lot of testing in this area with actual hardware but some > people say using software raid between Windows and Linux is flakey. I think > it ought to work or it's a bug. But the thing to realize is that you have a > Windows driver d

Re: Recovering/Restoring Boot Partition

On Feb 22, 2014, at 12:46 PM, Don Levey wrote: > On 2/21/2014 11:38, Chris Murphy wrote: >> >> On Feb 21, 2014, at 5:29 AM, Don Levey >> wrote: No. Hardware raid will show up as a single /dev/sdX device. What results do you get for lsblk? >> >> It's a nitpick, but for what it's wor

Re: Recovering/Restoring Boot Partition

On 2/21/2014 11:38, Chris Murphy wrote: > > On Feb 21, 2014, at 5:29 AM, Don Levey > wrote: >>> No. Hardware raid will show up as a single /dev/sdX device. What >>> results do you get for lsblk? > > It's a nitpick, but for what it's worth it's always best to include > the command used. I unders

Re: Recovering/Restoring Boot Partition

On Feb 21, 2014, at 5:29 AM, Don Levey wrote: >> No. Hardware raid will show up as a single /dev/sdX device. What >> results do you get for lsblk? It's a nitpick, but for what it's worth it's always best to include the command used. I understand the motivation to keep things tidy, and concise,

Re: Recovering/Restoring Boot Partition

On 2/20/2014 20:42, Chris Murphy wrote: > > On Feb 20, 2014, at 4:27 PM, Don Levey > wrote: >> >> Device Boot Start End Blocks Id System >> /dev/sda1 63 10276051151380224+ 7 >> HPFS/NTFS/exFAT > > This starting value is from an old partition utility an

Re: Recovering/Restoring Boot Partition

On Feb 20, 2014, at 4:27 PM, Don Levey wrote: > > Device Boot Start End Blocks Id System > /dev/sda1 63 10276051151380224+ 7 HPFS/NTFS/exFAT This starting value is from an old partition utility and is often incompatible with grub2, and leads to embe

Re: Recovering/Restoring Boot Partition

On 2/20/2014 17:03, Chris Murphy wrote: > > On Feb 18, 2014, at 3:46 PM, Don Levey wrote: > >> ... >> After several weeks of schedule hell, I was finally able to work on >> this. The upshot is that the previously installed kernels weren't >> available (so I had to pull the more recent available

Re: Recovering/Restoring Boot Partition

On Feb 18, 2014, at 3:46 PM, Don Levey wrote: > On 1/29/2014 13:59, Chris Murphy wrote: >> >> ... >> Anyway, if you're for sure convinced it's corrupt then reformat the >> partition. >> Use blkid to get the new volume UUID to insert into /etc/fstab so it gets >> mounted >> when you next boo

Re: Recovering/Restoring Boot Partition

On 2/18/2014 17:46, Don Levey wrote: > On 1/29/2014 13:59, Chris Murphy wrote: >> >> ... >> Anyway, if you're for sure convinced it's corrupt then reformat the >> partition. >> Use blkid to get the new volume UUID to insert into /etc/fstab so it gets >> mounted >> when you next boot. And then m

Re: Recovering/Restoring Boot Partition

On 1/29/2014 13:59, Chris Murphy wrote: > > ... > Anyway, if you're for sure convinced it's corrupt then reformat the > partition. > Use blkid to get the new volume UUID to insert into /etc/fstab so it gets > mounted > when you next boot. And then mount root, boot, (boot/efi if this is a UEFI

Re: Recovering/Restoring Boot Partition

On 1/29/2014 14:37, Chris Murphy wrote: > > On Jan 29, 2014, at 12:07 PM, Don Levey > wrote: > ... >> >> I was wondering something similar; perhaps there is physical >> damage? > > This should give a quick idea: smartctl -x /dev/sdX > > This will take longer but fully reads the entire surface

Re: Recovering/Restoring Boot Partition

On Jan 29, 2014, at 12:07 PM, Don Levey wrote: > On 1/29/2014 13:59, Chris Murphy wrote: >> >> On Jan 29, 2014, at 11:41 AM, Don Levey >> wrote: >> >>> A short while ago, during a power cut, my desktop machine failed. >>> A power-up displayed symptoms consistent with a missing /boot >>> parti

Re: Recovering/Restoring Boot Partition

On 1/29/2014 13:59, Chris Murphy wrote: > > On Jan 29, 2014, at 11:41 AM, Don Levey > wrote: > >> A short while ago, during a power cut, my desktop machine failed. >> A power-up displayed symptoms consistent with a missing /boot >> partition; attempting to boot under the rescue CD seemed to conf

Re: Recovering/Restoring Boot Partition

On Jan 29, 2014, at 11:41 AM, Don Levey wrote: > A short while ago, during a power cut, my desktop machine failed. A > power-up displayed symptoms consistent with a missing /boot partition; > attempting to boot under the rescue CD seemed to confirm this when it > did not mount the /boot partiti

Recovering/Restoring Boot Partition

A short while ago, during a power cut, my desktop machine failed. A power-up displayed symptoms consistent with a missing /boot partition; attempting to boot under the rescue CD seemed to confirm this when it did not mount the /boot partition. Booting under the F20 LiveUSB key allowed me to manua