Software Raid 5 (FC5)
Mark Yarbrough
mark at marky.us
Sat Apr 1 17:09:40 UTC 2006
I appreciate what everyone is saying. For our purposes this is the
necessary way to go. Does anyone have a suggestion as to how to work around
this issue? Does anyone have a direction to point me?
TIA
Mark Yarbrough
_____
From: fedora-list-bounces at redhat.com [mailto:fedora-list-bounces at redhat.com]
On Behalf Of Mark Yarbrough
Sent: Friday, March 31, 2006 10:50 AM
To: fedora-list at redhat.com
Subject: Software Raid 5 (FC5)
During install time I was made 10 raid partitions across 5 500GB SATA
drives. The final partition /dev/md8 wouldn't partition format and anaconda
would crash telling me that the partition couldn't be formatted, and
required a reboot. After the 3rd attempt I figured that the partitions are
all the same size so I will just format it when I am in the running
operating system.
I took a look at my partitions using fdisk (take note that all 5 are the
same save the drive number it self) <see paste at bottom>
The partitions are there. /dev/sdX11 is the partition that I am trying to
use. I tried to make the raid partitions to no avail. I looked at
/etc/mdadm.conf and saw that /dev/md8 is there. From my limited
understanding I am under the assumption that the raid is made and all I need
to do is format it. I try to format it and I get the error reporting the
device size to be zero. The partitions are clearly not zero. I am now
stuck. What should I do next?
Disk /dev/sda: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sda1 * 1 28683 230396166 fd Linux raid
autodetect
/dev/sda2 28684 38882 81923467+ fd Linux raid
autodetect
/dev/sda3 38883 41432 20482875 fd Linux raid
autodetect
/dev/sda4 41433 60801 155581492+ 5 Extended
/dev/sda5 41433 43344 15358108+ fd Linux raid
autodetect
/dev/sda6 43345 45256 15358108+ fd Linux raid
autodetect
/dev/sda7 45257 46658 11261533+ fd Linux raid
autodetect
/dev/sda8 46659 47933 10241406 fd Linux raid
autodetect
/dev/sda9 47934 49208 10241406 fd Linux raid
autodetect
/dev/sda10 49209 49845 5116671 fd Linux raid
autodetect
/dev/sda11 49846 60796 87963876 fd Linux raid
autodetect
Disk /dev/sdb: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdb1 * 1 28683 230396166 fd Linux raid
autodetect
/dev/sdb2 28684 38882 81923467+ fd Linux raid
autodetect
/dev/sdb3 38883 41432 20482875 fd Linux raid
autodetect
/dev/sdb4 41433 60801 155581492+ 5 Extended
/dev/sdb5 41433 43344 15358108+ fd Linux raid
autodetect
/dev/sdb6 43345 45256 15358108+ fd Linux raid
autodetect
/dev/sdb7 45257 46658 11261533+ fd Linux raid
autodetect
/dev/sdb8 46659 47933 10241406 fd Linux raid
autodetect
/dev/sdb9 47934 49208 10241406 fd Linux raid
autodetect
/dev/sdb10 49209 49845 5116671 fd Linux raid
autodetect
/dev/sdb11 49846 60796 87963876 fd Linux raid
autodetect
Disk /dev/sdc: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdc1 * 1 28683 230396166 fd Linux raid
autodetect
/dev/sdc2 28684 38882 81923467+ fd Linux raid
autodetect
/dev/sdc3 38883 41432 20482875 fd Linux raid
autodetect
/dev/sdc4 41433 60801 155581492+ 5 Extended
/dev/sdc5 41433 43344 15358108+ fd Linux raid
autodetect
/dev/sdc6 43345 45256 15358108+ fd Linux raid
autodetect
/dev/sdc7 45257 46658 11261533+ fd Linux raid
autodetect
/dev/sdc8 46659 47933 10241406 fd Linux raid
autodetect
/dev/sdc9 47934 49208 10241406 fd Linux raid
autodetect
/dev/sdc10 49209 49845 5116671 fd Linux raid
autodetect
/dev/sdc11 49846 60796 87963876 fd Linux raid
autodetect
Disk /dev/sdd: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sdd1 * 1 28683 230396166 fd Linux raid
autodetect
/dev/sdd2 28684 38882 81923467+ fd Linux raid
autodetect
/dev/sdd3 38883 41432 20482875 fd Linux raid
autodetect
/dev/sdd4 41433 60801 155581492+ 5 Extended
/dev/sdd5 41433 43344 15358108+ fd Linux raid
autodetect
/dev/sdd6 43345 45256 15358108+ fd Linux raid
autodetect
/dev/sdd7 45257 46658 11261533+ fd Linux raid
autodetect
/dev/sdd8 46659 47933 10241406 fd Linux raid
autodetect
/dev/sdd9 47934 49208 10241406 fd Linux raid
autodetect
/dev/sdd10 49209 49845 5116671 fd Linux raid
autodetect
/dev/sdd11 49846 60796 87963876 fd Linux raid
autodetect
Disk /dev/sde: 500.1 GB, 500107862016 bytes
255 heads, 63 sectors/track, 60801 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/sde1 * 1 28683 230396166 fd Linux raid
autodetect
/dev/sde2 28684 38882 81923467+ fd Linux raid
autodetect
/dev/sde3 38883 41432 20482875 fd Linux raid
autodetect
/dev/sde4 41433 60801 155581492+ 5 Extended
/dev/sde5 41433 43344 15358108+ fd Linux raid
autodetect
/dev/sde6 43345 45256 15358108+ fd Linux raid
autodetect
/dev/sde7 45257 46658 11261533+ fd Linux raid
autodetect
/dev/sde8 46659 47933 10241406 fd Linux raid
autodetect
/dev/sde9 47934 49208 10241406 fd Linux raid
autodetect
/dev/sde10 49209 49845 5116671 fd Linux raid
autodetect
/dev/sde11 49846 60796 87963876 fd Linux raid
autodetect
# mdadm.conf written out by anaconda
DEVICE partitions
MAILADDR root
ARRAY /dev/md8 level=raid5 num-devices=5
uuid=fc489661:c7e54273:f9a60c82:fb747b29
ARRAY /dev/md6 level=raid5 num-devices=5
uuid=eac1a77f:5278bfcd:4ae75c92:7ecde09b
ARRAY /dev/md3 level=raid5 num-devices=5
uuid=1e94cb1d:f84f5a3b:1e0ff333:408d5bb7
ARRAY /dev/md5 level=raid5 num-devices=5
uuid=f5bfaf8b:8a591cf0:d73b7d31:4c07a93b
ARRAY /dev/md1 level=raid5 num-devices=5
uuid=0bf1a445:323d5326:5a7a92fc:1c346c33
ARRAY /dev/md9 level=raid5 num-devices=5
uuid=f5811eae:cfb21182:41881dcf:739f1bad
ARRAY /dev/md4 level=raid5 num-devices=5
uuid=348c95b9:df7feee6:41713309:a9324496
ARRAY /dev/md0 level=raid5 num-devices=5
uuid=bf7ef721:318d6d4e:b626b349:5f9c7e15
ARRAY /dev/md7 level=raid5 num-devices=5
uuid=a196ca52:c6700579:ff5a0379:9d6c9084
ARRAY /dev/md2 level=raid5 num-devices=5
uuid=5e0d3003:e65e36d0:25158ed3:f81e126d
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