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UpgradeDisk (view source)

Revision as of 14:28, 9 January 2015

2,234 bytes added ,  14:28, 9 January 2015
Updated procedure for SME9
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All the usual warnings apply. Remember that any old contribs & templates will have to be reinstalled (assuming that they will work with V8)
 
All the usual warnings apply. Remember that any old contribs & templates will have to be reinstalled (assuming that they will work with V8)
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=== Moving from SME 8.x to SME 9.x ===
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SME 9 entails the same issues as SME 8 (see above):
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With SME 8 being based on CentOS 5, assembling the RAID in rescue mode must be specified using the disk's UUID. If you have the SME 7 CD it will be easier to rename the Volume Group using it per the instructions below. Otherwise use the SME 8 procedure.
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{{Note box|Before you start,  It might be worth fscking the disk/s to ensure that there are no errors.}}
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# Make sure you have a very good backup
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# signal-event [[UpgradeDisk#Recovering_a_system_where_pre-backup_could_not_be_run|pre-backup]] on the old installation
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# Boot with a SME7 CD or SME 8 CD and only one of your original disks (in the case of a RAID1 arrangement)
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# As per instructions in "Boot from SME Server 7.1 (or newer) install CD" above :
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Type "sme rescue" at the command prompt and hit enter
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Note: don't start the network and skip mounting the filesystem.
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If using SME 7 CD
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mdadm -AR /dev/md5 /dev/sdx2
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If using SME 8 CD  (see [[bugzilla: 6195]])
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mdadm --examine /dev/sda# | grep 'UUID'
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mdadm -AR --uuid '''the:uuid:value:from:above''' /dev/md5
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If using SME 9 CD  (see [[bugzilla: 6195]])
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mdadm --examine /dev/sda# | grep 'UUID'
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mdadm -AR --uuid '''the:uuid:value:from:above''' /dev/md5
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Next Steps
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lvm vgscan
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lvm vgs -v
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lvm vgchange -a n
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lvm vgrename main new_vg_name
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exit
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Now remove the CD and reboot into SME 9 :
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mdadm -AR /dev/md5 /dev/sdx2 (n.b. you may find that /dev/md5 already exists)
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vgscan
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vgchange -a y new_vg_name
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mkdir /mnt/tmp
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mount /dev/new_vg_name/root /mnt/tmp
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{{Note box|In some rare cases your VolumeGroup name listed in the last line might be different, more information can be found in [[[[bugzilla: 3883]]]].}}
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You should now be able to view all your old data under /mnt/tmp
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db configuration setprop backup Program CopyFromDisk status enabled
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signal-event pre-restore
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signal-event restore-tape /mnt/tmp (note: this step may take a long time depending on how much data is being restored
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signal-event post-upgrade
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signal-event reboot
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Shutdown and remove old drive and reboot
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All the usual warnings apply. Remember that any old contribs & templates will have to be reinstalled (assuming that they will work with V9)
    
===Using a third drive===
 
===Using a third drive===
Andywismer
6

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