Servarica Unlimited Expanding Storage - how do you add the new storage to your existing partitions?

k9banger02

I'm looking for some automatic way to enlarge the existing partitions with the new space but I not sure how to do it on the LVM partitions.

The other problem is that if there was some unused/unuseable space at the end of the partition, it is not so easy to use resize2fs to do the automatic expansion even if it is not LVM.

So, experts of LET, how do accomplish this if at all?

Or have you given up the automatic option, taking the server offline to run some disk resizing and partitioning utilities to add the space to existing partitions?

jperkins

I have had the unlimited plan for a while now. It works good as a backup. First you have to do a reboot from the control panel of the vps to get the increased size

image here

https://ibb.co/8NwMC4H

So have you modified the existing disk config ? I know if you have moved the storage drives to zfs then this command works without taking anything offline

zpool online -e tank /dev/xvd?

the initial setup was accomplished using https://grml.org/ . Its been while but looks like my boot partition still has grml64-small_2021.07.iso . grml still comes up as a boot option in grub. I wont need it unless I want to reinstall the os.

so I have a smallish xvda which has /boot and a lvm with / .
xvdb and xvdc are the ones that expand and are on a zpool which is resized using the above command.

Im sure there are easier ways to do this

If you are interested in how servarica handled it with the original config that was supplied to me. This script was ran upon reboot. Now this was a couple years ago so YMMV

xenicastart.sh

#!/bin/bash
change_ip(){

if [ ! -f "/opt/xenica_continuerepart" ]; then
        networkFile="/etc/network/interfaces"

    #echo "FINE UP TO NOEi $domainid"
    xenica_ip=`xenstore-read vm-data/xenica_ifs/0/ip`
    xenica_gateway=`xenstore-read vm-data/xenica_ifs/0/gateway`
    xenica_subnetmask=`xenstore-read vm-data/xenica_ifs/0/netmask`
    xenica_broadcast=`xenstore-read vm-data/xenica_ifs/0/broadcast`
    xenica_passwd=`xenstore-read vm-data/xenica_passwd`
    #echo "her is ip address $xenica_ip"

    echo "ip= $xenica_ip  gateway= $xenica_gateway  subnet= $xenica_subnetmask broadcast= $xenica_broadcast "

   pace=" "
    preIp=`cat "$networkFile" | grep 'address ' | awk '{ print $2}'`
    echo "Old  ip is  $preIp "

    if [ -z "$xenica_ip" ] ; then
        echo "Could not read Ip Address from the xenstore. It seems IP Address is not written to xenstore.";
        return
    fi
    if [ -z "$xenica_gateway" ] ; then
        echo "Could not read gateway Address from the xenstore. It seems gateway Address is not written to xenstore.";
        return
    fi
    if [ -z "$xenica_subnetmask" ] ; then
        echo "Could not read subnetmask Address from the xenstore. It seems subnetmask Address is not written to xenstore.";
        return
    fi
    if [ -z "$xenica_broadcast" ] ; then
        echo "Could not read subnetmask Address from the xenstore. It seems subnetmask Address is not written to xenstore.";
        return
    fi
    #NOW WE HAVE the data, let us write is using ifconfig.

    if [ "$preIp" = "$xenica_ip" ] ; then
        echo "Already Updted IP Address"
        reboot=0
    else
        reboot=1
    fi

    #ifconfig eth0 $xenica_ip netmask $xenica_subnetmask  broadcast $xenica_broadcast

    if [ $reboot -eq 1 ] ; then
        touch temp.config
         sed "s/gateway [0-9\.]*/gateway $xenica_gateway/"  "$networkFile" >temp.config
         cat temp.config > "$networkFile"
         sed "s/broadcast [0-9\.]*/broadcast $xenica_broadcast/"  "$networkFile" >temp.config
         cat temp.config > "$networkFile"
         sed "s/address [0-9\.]*/address $xenica_ip/"  "$networkFile" >temp.config
         cat temp.config > "$networkFile"
         sed "s/netmask [0-9\.]*/netmask $xenica_subnetmask/"  "$networkFile" >temp.config
         cat temp.config > "$networkFile"

        #cat temp.config > "$networkFile"
        rm -f temp.config
        echo "root:$xenica_passwd" | chpasswd

        #resizing the disk
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdb
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdc
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvde
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdf
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdg
partprobe /dev/xvdb /dev/xvdc /dev/xvde /dev/xvdf /dev/xvdg
pvcreate /dev/xvdb1 /dev/xvdc1 /dev/xvde1 /dev/xvdf1 /dev/xvdg1
vgextend ubuntu-vg /dev/xvdb1 /dev/xvdc1 /dev/xvde1 /dev/xvdf1 /dev/xvdg1
vgextend ubuntu-vg /dev/xvdb1
vgextend ubuntu-vg /dev/xvdc1
vgextend ubuntu-vg /dev/xvde1
vgextend ubuntu-vg /dev/xvdf1
vgextend ubuntu-vg /dev/xvdg1
lvextend -l 100%FREE /dev/ubuntu-vg/lv-root
resize2fs /dev/ubuntu-vg/lv-root

touch "/opt/xenica_continuerepart"
reboot
fi
fi

touch "/opt/firstbootdone.log"
rm -f "/opt/xenica_continuerepart"
        echo "Rebooting to change ip address..."
        reboot
}

resize_part(){
 #resizing the disk
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdb
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdc
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvde
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdf
(echo n; echo ; echo ; echo ; echo 8e00; echo w; echo y; echo ;) | gdisk /dev/xvdg
partprobe /dev/xvdb /dev/xvdc /dev/xvde /dev/xvdf /dev/xvdg
pvcreate /dev/xvdb1 /dev/xvdc1 /dev/xvde1 /dev/xvdf1 /dev/xvdg1
vgextend ubuntu-vg /dev/xvdb1 /dev/xvdc1 /dev/xvde1 /dev/xvdf1 /dev/xvdg1
vgextend ubuntu-vg /dev/xvdb1
vgextend ubuntu-vg /dev/xvdc1
vgextend ubuntu-vg /dev/xvde1
vgextend ubuntu-vg /dev/xvdf1
vgextend ubuntu-vg /dev/xvdg1
lvextend -l 100%FREE /dev/ubuntu-vg/lv-root
resize2fs /dev/ubuntu-vg/lv-root

reboot
}
extra_ip(){

        networkFile="/etc/network/interfaces"

         i=$1

    xenica_ip=`xenstore-read vm-data/xenica_ifs/$i/ip`
    xenica_gateway=`xenstore-read vm-data/xenica_ifs/$i/gateway`
    xenica_subnetmask=`xenstore-read vm-data/xenica_ifs/$i/netmask`
    xenica_broadcast=`xenstore-read vm-data/xenica_ifs/$i/broadcast`

        echo "ip= $xenica_ip  gateway= $xenica_gateway  subnet= $xenica_subnetmask broadcast= $xenica_broadcast "

   pace=" "
    preIp=`cat "$networkFile" | grep 'address ' | awk '{ print $2}'`
    echo "Old  ip is  $preIp "

    if [ -z "$xenica_ip" ] ; then
        echo "Could not read Ip Address from the xenstore. It seems IP Address is not written to xenstore.";
        return
    fi
    if [ -z "$xenica_gateway" ] ; then
        echo "Could not read gateway Address from the xenstore. It seems gateway Address is not written to xenstore.";
        return
    fi
    if [ -z "$xenica_subnetmask" ] ; then
        echo "Could not read subnetmask Address from the xenstore. It seems subnetmask Address is not written to xenstore.";
        return
    fi
    if [ -z "$xenica_broadcast" ] ; then
        echo "Could not read subnetmask Address from the xenstore. It seems subnetmask Address is not written to xenstore.";
        return
    fi
    #NOW WE HAVE the data, let us write is using ifconfig.

    if [ "$preIp" = "$xenica_ip" ] ; then
        echo "Already Updted IP Address"
        reboot=0
    else
        reboot=1
    fi

    #ifconfig eth0 $xenica_ip netmask $xenica_subnetmask  broadcast $xenica_broadcast

    if [ $reboot -eq 1 ] ; then


                 echo "auto eth0:$i" >> $networkFile
                 echo "iface eth0:$i inet static" >> $networkFile
                 echo  "address $xenica_ip" >> $networkFile
                 echo "netmask $xenica_subnetmask" >> $networkFile
fi

}
change_passwd(){

    xenica_passwd=`xenstore-read vm-data/xenica_passwd`

        echo "root:$xenica_passwd" | chpasswd
        echo "Rebooting to change ip address..."
        reboot

}
#xenica_command=`xenstore-read vm-data/xenica_command`

FLAG="/opt/firstbootdone.log"
if [ ! -f $FLAG ]; then
change_ip
#elif [$xenica_command -eq "changeip"]; then
#change_passwd
#elif [$xenica_command -eq "resize"]; then
#resize_part
#elif [$xenica_command -eq "extraip"]; then
#extra_ip
fi
#####################################################################################################
FLAG="/opt/extraip.log"
COUNTER=1
if [ ! -f $FLAG ]; then
while [  $COUNTER -lt 50 ]; do
   xenica_ip=`xenstore-read vm-data/xenica_ifs/$COUNTER/ip` && extra_ip $COUNTER
#echo $COUNTER
COUNTER=$((COUNTER+1))
done
echo $(xenstore-read vm-data/xenica_ifs/1/ip6) | grep -q ':' && ipv6=1;
touch /opt/extraip.log

#IPV6 Assignment
if [ $ipv6 -eq "1" ]
then
printf "###start IPv6 Config
iface eth0 inet6 static
pre-up modprobe ipv6
address $(xenstore-read vm-data/xenica_ifs/1/ip6)
netmask $(xenstore-read vm-data/xenica_ifs/1/netmask6)" >> /etc/network/interfaces
touch /opt/ip6.log
fi

reboot
fi
#######################################################################
xenica_list=`xenstore-list vm-data`
for item in ${xenica_list[*]}
do
if [[ $item =  *"xenica_script"*  ]]; then
 #   printf "   %s\n" $item

xenica_script=`xenstore-read vm-data/$item`
cd /root/
touch xenica.sh
echo "$xenica_script" > xenica.sh;
chmod +x xenica.sh

`xenstore-write vm-data/$item ""`
`xenstore-rm vm-data/$item`

./xenica.sh

#delete the script file
rm -f xenica.sh

#empty xenstore xenica_script record

fi
done

#######################################################################