Re: Re Help with ES v3 Raid

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Here is mine in RHEL4, should be the same in RHEL3:
<--- START /etc/mdadm.conf--->
# mdadm.conf written out by anaconda
DEVICE partitions
MAILADDR root
ARRAY /dev/md1 level=raid1 num-devices=2
UUID=f0d98b9d:bd8357f5:9445467d:b9e05289
ARRAY /dev/md2 level=raid1 num-devices=2
UUID=66965e3b:98502fa2:0a8ede82:85ff1c4b
ARRAY /dev/md7 level=raid1 num-devices=2
UUID=38fe99db:0add2b8c:d4df2965:0faa4dea
ARRAY /dev/md6 level=raid1 num-devices=2
UUID=d4702493:236a896b:e68c4704:5fe82579
ARRAY /dev/md5 level=raid1 num-devices=2
UUID=bd7ca83f:6c500445:85c0e1e1:a9555bc6
ARRAY /dev/md3 level=raid1 num-devices=2
UUID=a68d6d7f:87b269c7:705482c8:4b2528ed
ARRAY /dev/md4 level=raid1 num-devices=2
UUID=7248edca:4129448b:fd4f1db3:26f83913
ARRAY /dev/md0 level=raid1 num-devices=2
UUID=8cbcc547:33864bb1:f6889cf7:5effd24e
<--- END /etc/mdadm.conf--->

Thanks,

Tom Callahan
TESSCO Technologies
Desk: (410)-229-1361
Cell: (443)-506-6216
Email: callahant@xxxxxxxxxx

A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.



Marc Leveille wrote:

>We are on the same thing. Just had a look at /etc/mdadm.conf and I have
>no entries. Do I have to enter anything in this manually?
>
>Marc
>
>On Fri, 2006-01-27 at 16:01 -0500, Tom Callahan wrote:
>  
>
>>try this:
>>
>>run "mdadm --detail --scan"
>>and paste the output into /etc/mdadm.conf, after removing all lines that
>>say "PARTITION" or "ARRAY"
>>
>>Then try rebooting and see what happens. I fear your array is not being
>>restarted upon boot.
>>
>>Thanks,
>>
>>Tom Callahan
>>TESSCO Technologies
>>Desk: (410)-229-1361
>>Cell: (443)-506-6216
>>Email: callahant@xxxxxxxxxx
>>
>>A real engineer only resorts to documentation when the keyboard dents on the forehead get too noticeable.
>>
>>
>>
>>Marc Leveille wrote:
>>
>>    
>>
>>>I followed your advice and was able to make a file system on /dev/mdo. I
>>>enter this entry in fstab 
>>>/dev/md0   /home/apps   ext3   defaults  1 2
>>>
>>>I tried ext2 and ext3 and got the same error after re-booting.this
>>>happens when Checking file system runs
>>>" The superblock could not be read or does not describe a valid ext2
>>>file system/. 
>>>
>>>the odd thing is that as soon as I create the file system on /dev/md0, I
>>>can mount it using mount -t ext3 /dev/md0 /home/apps. I can go in and
>>>see the lost and found folder. it only fails after a re-boot. Also if I
>>>remove the mdo entry in fstab, reboot and try mounting it manually, it
>>>now fails (invalid file system)
>>>
>>>thanks
>>>
>>>Marc
>>>
>>>On Fri, 2006-01-27 at 13:30 -0500, Frank DiPrete wrote:
>>> 
>>>
>>>      
>>>
>>>>Check the order here:
>>>>
>>>>1) create physical partitions on sdb and sdc of type linux raid
>>>>2) create the (soft) raid array
>>>>3) mkfs on the raid device created in step 2
>>>>4) mount the file system created in step 3
>>>>
>>>>
>>>>   
>>>>
>>>>        
>>>>
>>> 
>>>
>>>      
>>>
>
>  
>

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