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тАО07-04-2007 11:18 PM
тАО07-04-2007 11:18 PM
initially my server only used 1 scsi hdd and now i inserted one more on the slot above it.
i notice the smart array configuration has assigned the second disk to another raid 0 without me doing anything.
so after boot to OS CentOS 4.5 (RHEL-4.5) which i think comes with smart array driver as default, i cant see the drive being mapped by running command df-h. i only see 1 hdd.
what i want is to have JBOD where this 2 disk combined as one.any step i missed?
as addition here is what i get when running df -h via putty .
seems like it only detect 1 disk
/dev/mapper/VolGroup00-LogVol00
65G 22G 40G 36% /
/dev/cciss/c0d0p1 97M 20M 72M 22% /boot
none 506M 0 506M 0% /dev/shm
/usr/tmpDSK 485M 33M 427M 8% /tmp
/tmp 485M 33M 427M 8% /var/tmp
Please help me. my 1st disk is almost full.
thank you
Solved! Go to Solution.
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тАО07-04-2007 11:33 PM
тАО07-04-2007 11:33 PM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
df -h will show you filesystems rather than disk devices.
To find the name of the second disk device, take a look at the output of the command dmesg.
# dmesg | grep cciss
If it's the second disk then it will probably be called /dev/cciss/c0d1
Once you've got that you'll need to add it in to your LVM configuration. Unfortunately I've never used LVM so I'll leave the details of that to someone else !
Cheers,
Rob
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тАО07-04-2007 11:38 PM
тАО07-04-2007 11:38 PM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
you are great.
know i know t existed at least.
i got this names:
c0d0 c0d0p1 c0d0p2 c0d1 c0d1p1 c0d1p2
so i assume there is 2 disks.
so anyone can help me on the LVM part?
thanks
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тАО07-05-2007 04:04 AM
тАО07-05-2007 04:04 AM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
Yes you have two logical disks.
c = controller
d = disk
p = partition
So c0d0p1 is partition 1 on disk 0 on controller 0.
Cheers,
Rob
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тАО07-05-2007 04:06 AM
тАО07-05-2007 04:06 AM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
http://www.redhat.com/docs/manuals/enterprise/RHEL-4-Manual/en-US/System_Administration_Guide/LVM_Configuration.html
Hope this helps,
Regards,
Rob
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тАО07-05-2007 05:20 AM
тАО07-05-2007 05:20 AM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
thanks for that. i read it but it seems for server fresh install. now my server is running and i need to add new disk.
is this correct for me?:
http://tldp.org/HOWTO/LVM-HOWTO/recipeadddisk.html
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тАО07-05-2007 05:30 AM
тАО07-05-2007 05:30 AM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
which between c0d1 c0d1p1 c0d1p2
i need to fdisk?
and is it correct to format it to have only / and extend current / to it?
thanks
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тАО07-05-2007 09:51 AM
тАО07-05-2007 09:51 AM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
You fdisk the disk, so
# fdisk /dev/cciss/c0d1
Although if it's newly inserted disk, it's a bit strange that there's some partitions on it already ....
Cheers,
Rob
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тАО07-10-2007 09:48 AM
тАО07-10-2007 09:48 AM
Solutionhttp://tldp.org/HOWTO/LVM-HOWTO/
If u have enough space on 2nd disk then u can create new partitions and add them to existing LVM Volume group, leaving the other partitions untouched.
Hope this Helps u..
Regards,
SaC
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тАО07-12-2007 08:04 AM
тАО07-12-2007 08:04 AM
Re: need help on HP Proliant DL 380 G4 - smart array scsi hdd issue
i read http://tldp.org/HOWTO/LVM-HOWTO/recipeadddisk.html but i stuck at:
# export E2FSADM_RESIZE_CMD=ext2resize
# e2fsadm /dev/ops/batch -L+500M
it said e2fsadm cannot be found something like this.
can you help me?
thanks