On Mon, 23 Jun 2014 13:05:08 -0600 Bob Proulx <b...@proulx.com> wrote:
> Rodney D. Myers wrote:
> > Linux-Fan wrote:
> > > Rodney D. Myers wrote:
> > > > Is there a debian specific mail list or online forum to get some
> > > > help for a newbie setting up a raid storage device?
> > > >
> > > > I can find plenty of tips to get started, but things are not
> > > > doing the exact thing(s) the online guides are showing.
>
> It is all about using Debian so this mailing list is good. Lots of us
> are using raid.
>
> > > Also, if you manually want to create a RAID 1 of two partitions
> > > use
> > >
> > > # mdadm --create /dev/md0 --level=1 --raid-devices=2 \
> > > /dev/sda1 /dev/sdb1
> >
> > Not attempting to install on a raid, but create a raid for storage
>
> Linux-Fan's suggestion is a good one. If you are not using it for the
> system then it is easier to get experience building raid yourself as
> in the above example. François's suggestions were good too.
okay I have a 4 drive bay, and I did this (similar to the above)
/sbin/mdadm --create --verbose /dev/md0 --level=5
--raid-devices=4 /dev/sdb1 /dev/sdc1 /dev/sdd1 /dev/sde1 mdadm: layout
defaults to left-symmetric mdadm: layout defaults to left-symmetric
mdadm: chunk size defaults to 512K
mdadm: /dev/sdb1 appears to contain an ext2fs file system
size=976760832K mtime=Wed Dec 31 19:00:00 1969
mdadm: /dev/sdc1 appears to contain an ext2fs file system
size=976762580K mtime=Wed Dec 31 19:00:00 1969
mdadm: /dev/sdc1 appears to be part of a raid array:
level=raid5 devices=3 ctime=Mon Jun 23 06:55:12 2014
mdadm: /dev/sdd1 appears to contain an ext2fs file system
size=976760832K mtime=Mon Jun 23 16:54:04 2014
mdadm: /dev/sde1 appears to contain an ext2fs file system
size=488385560K mtime=Wed Dec 31 19:00:00 1969
mdadm: /dev/sde1 appears to be part of a raid array:
level=raid5 devices=3 ctime=Mon Jun 23 06:55:12 2014
mdadm: size set to 488254464K
mdadm: automatically enabling write-intent bitmap on large array
mdadm: largest drive (/dev/sdc1) exceeds size (488254464K) by more than
1% Continue creating array? yes
mdadm: Defaulting to version 1.2 metadata
mdadm: array /dev/md0 started.
I let it run for a few hours and when I returned home I did the
following and found it stopped;
/sbin/mdadm --detail /dev/md0
/dev/md0:
Version : 1.2
Creation Time : Mon Jun 23 17:00:23 2014
Raid Level : raid5
Array Size : 1464763392 (1396.91 GiB 1499.92 GB)
Used Dev Size : 488254464 (465.64 GiB 499.97 GB)
Raid Devices : 4
Total Devices : 4
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Mon Jun 23 20:09:45 2014
State : active, FAILED
Active Devices : 0
Failed Devices : 4
Spare Devices : 0
Layout : left-symmetric
Chunk Size : 512K
Number Major Minor RaidDevice State
0 0 0 0 removed
2 0 0 2 removed
4 0 0 4 removed
6 0 0 6 removed
0 8 17 - faulty /dev/sdb1
1 8 33 - faulty /dev/sdc1
2 8 49 - faulty /dev/sdd1
4 8 65 - faulty /dev/sde1
Not sure what's going on
--
Rodney D. Myers <rdmyers...@gmail.com>
They that can give up essential liberty to obtain a
little temporary safety deserve neither liberty nor safety.
Ben Franklin - 1759
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