gpg: failed to create temporary file '/var/lib/lurker/.#lk0x57826100.hantslug.org.uk.27802': Permission denied
gpg: keyblock resource '/var/lib/lurker/pubring.gpg': Permission denied
gpg: Signature made Thu Apr 17 15:40:03 2008 BST
gpg: using DSA key 20ACB3BE515C238D
gpg: Can't check signature: No public key
On Thu, Apr 17, 2008 at 03:12:42PM +0100, John Lewis wrote:
> On Thu, 17 Apr 2008 13:04:57 +0100
> Hugo Mills <hugo@???> wrote:
>
> > On Thu, Apr 17, 2008 at 10:48:41AM +0100, John Lewis wrote:
> > > Landing is an old Saxon server with dual pentium 400s, 1Gb ram and
> > > three 6.3Gb scsi drives. It doesn't have any other drives
> > > connected other than a CD writer on the secondary master.
> <snipped>
> > > md: running: <sdc1><sdb1><sda1>
> > > md: raid1 set md0 active with 2 out of 2 mirrors
> > > md: autorun DONE
> >
> > That looks OK.
> > What do you get from:
> >
> > # mdadm --query /dev/sda1
> > # mdadm --query /dev/sdb1
> > # mdadm --query /dev/sdc1
>
> > How do you think the disks should be arranged? It looks like you
> > have the three drives in a RAID-1 arrangement, giving you 6.3GiB of
> > storage total, and the ability to lose up to two of them without
> > losing any data. I'm guessing that the whole RAID volume contains a
> > single filesystem, which is your root FS. Confirmation of this would
> > be helpful. :)
>
> My understanding of Raid1 from
> http://tldp.org/HOWTO/html_single/Software-RAID-HOWTO/
>
> is that each disk is an exact mirror of the information on one disk
> on the other disk(s). So that if I can get at any one disk I can copy
> off the geneweb data in /var/lib/geneweb and save it to the zip drive
> which I have already checked can be mounted.
OK. Close enough -- but in this case, not quite true (see below).
> the result from mdadm --query /dev/sda1 is
>
> /dev/sda1: is not an md array
> /dev/sda1: device 0 in 2 device undetected raid1 /dev/.tmp.md0. Use
> mdadm --examine for more detail
>
> /dev/sdb1: device 1
> /dev/sdc1: device 2
>
> using mdadm --examine /dev/sda1 gives masses of detail, basically it
> says the array was set up on Sat Mat 4 2006
> Raid Level : 1
> Raid Devices : 2
> Total Devices : 3
> Preferred minor : 0
>
> Update Time : Wed Apr 16 2008
> State : Clean
> Active Devices : 2
> Working Devices : 3
> Failed Devices : 0
> Spare Devices : 1
You have two devices in the arracy actually storing data, and one
"hot spare" -- spun up, but not participating in the RAID array at the
moment.
> then further on active sync /dev/sda1
> active sync /dev/sdb1
> spare /dev/sdc1
/dev/sdc1 is the hot spare -- it won't contain any data. /dev/sda1
and /dev/sdb1 have the data on.
> using fsck -l each disk is reported as
> Device Boot /dev/sd*1 start 1 End 1111 Id fd System Linux Raid
> autodetect
You didn't answer my second question, regarding the content of
/dev/md0 -- is this a single filesystem on its own, or is there a
partition table on it, or LVM?
Hugo.
--
=== Hugo Mills: hugo@... carfax.org.uk | darksatanic.net | lug.org.uk ===
PGP key: 515C238D from wwwkeys.eu.pgp.net or http://www.carfax.org.uk
--- You can't expect a boy to be depraved until he's gone to ---
a good school.
