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05-05-2021 01:58 PM
05-05-2021 01:58 PM
Hi ,
Please does anyone knows How I can increase a windows and Linux server virtual machine 3par assigned Virtual volume that is running out space. We use 3Par 7200 Storage for all our Vmware Vsphere windows and Linux Virtual Machine. Virtual Volumes or Vluns
I will appreciate a howto or Links of how I can increase the disk or virtual volume capacity on a Linux and windows server. Your help, advice is highly appreciate....
Solved! Go to Solution.
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05-05-2021 10:56 PM
05-05-2021 10:56 PM
Re: Vmware Virtual Machine Storage Volume
Hello,
What I understand the issue from your explanation is - you have exported Virtual Volumes from your 3PAR to ESXi or Hyper-V base machines. On that you have created multiple VMs and exported multiple vluns. Now you are running out of space in the 3PAR Virtual Volumes.
If my understanding is correct, you need to increase the size of the virtual volumes which are the base volumes for your VMs. Login to SSMC, go to Virtual volumes, select the Virtual Volume, Actions >> Edit >> Increase the 'Size' to the desired value and save the changes.
If you still face any issues,
1. Check in which CPG the volume has been created (You can check that in SSMC)
2. Go to CLI and run the command 'showspace -cpg <CPG_name>'
3. Check the 'LDFree' in 3rd column.
4. Try to increase the VV size within the available limit of 'LDFree'
If you still face any issues, please let me know below details:
1. The exact error you are getting
2. Name of the VVs you want to increase the size
3. CLI command outputs for 'showvv', 'showcpg', 'showspace -cpg *'
(If you are not getting the right output for 'showspace -cpg *', please give me the outputs for showspace -cpg <CPG_name> individually for all the CPGs)
Regards,
Srinivas Bhat
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05-05-2021 11:24 PM - edited 05-05-2021 11:27 PM
05-05-2021 11:24 PM - edited 05-05-2021 11:27 PM
Re: Vmware Virtual Machine Storage Volume
Hello @Techcreeb
For CPG related issues following steps would work
- Evaluate reclaiming space from CPGs.
- Evaluate reclaiming space within TPVVs.
- Check for LDs that are not mapped to a VV.
- Identify volumes that are exported to a host that may no longer be necessary.
- Evaluate snapshots as they can use more space over time.
- Add more capacity
CLI command to expand VV
growvv ATLR1DS05 5t /// < VV name> <Expanding Size>
ATLR1DS05 - VV Name
You'll need to increase the VV size on the 3par console first via SSMC
then on VMware, you'll see the datastore size should automatically increase
if not just re-scan
Click the following link for more info
https://support.hpe.com/hpesc/public/docDisplay?docId=a00059923en_us&docLocale=en_US
For VSP (Service related) space issues
Firstly you would need to know the available space in "df -h" output from SP root, and depending upon the status we may need to remove unwanted files from SP
root@XXX-YYYY-ZZZ:/sp/home/hpesupport# df -h
Filesystem Size Used Avail Use% Mounted on
udev 992M 0 992M 0% /dev
tmpfs 201M 12M 189M 6% /run
/dev/sda6 3.8G 3.6G 0 100% / <== root partition full
tmpfs 1003M 0 1003M 0% /dev/shm
tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs 1003M 0 1003M 0% /sys/fs/cgroup
/dev/sda1 118M 60M 50M 55% /boot
/dev/sda5 2.9G 2.9G 0 100% /altroot
/dev/sda7 497G 153G 319G 33% /sp
There is a list of commands we need to run to clear space from there
It would be best to engage the HPE support for this activity.
For more info check out the following conversion on HPE forum.
hope this helps @Techcreeb
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05-08-2021 03:17 AM
05-08-2021 03:17 AM
Re: Vmware Virtual Machine Storage Volume
Hi Srinivas, Thanks a lot for ur advice, I really appreciate it...I was actually refering to the VV assigned to a Vmware VM that is running out Vdisk space and I have to Increase or expand the VV...it is the first time I am faced with this issue, so I need a step by step on how I can increasse the VV in SSMC and also on the VM in Vmware Vsphere Center. Once again thanks a lot
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05-08-2021 03:40 AM
05-08-2021 03:40 AM
Re: Vmware Virtual Machine Storage Volume
Hi Josh94K,
Thanks a lot for your help, support, Links and advice. Thats about close to what I was asking for and you are appreciated for taking ur time to extend your Pro Support..I really Thank you for that... With Regards to the recaiming the space on the Linux Vm before expanding the VV.....Can you by any chance send me Please the commands to look for or use to clear some unwanted files on the Linux VM before I can expand the VV...
Also, Do you also have to first expand the VV in SSMC for the Linux server, and after rescan and then expand the VM VV in Vcenter ? Also is the VV has to be expanded in the Linux server, just like in Windows disk management console or how do I know that the vv in the Linux server has been Increased ??
Thank you once again and your pro support is appreciated...
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05-09-2021 12:33 AM - last edited on 06-24-2021 07:06 AM by Ramya_Heera
05-09-2021 12:33 AM - last edited on 06-24-2021 07:06 AM by Ramya_Heera
SolutionHello @Techcreeb ! thank you for your kind words
1. Do you have the commands to clear some unwanted files on the Linux VM before we can expand the VV...
1. Free space on the Linux VM by deleting any files that are not critical or not needed.
2. run this command to zero out the free space.
cat /dev/zero > zero.fill; sync; sleep 1; rm -f zero.fill
3. Shut down the VM.
4. Navigate to where the VMs are saved.
5. Right Click on the VM > Show Package Contents (Locate the actual vmdk file)
6. run this command on the host terminal.
/Applications/VMware\ Fusion.app/Contents/Library/vmware-vdiskmanager -d <path to your .VMDK file>
Please Note: The commands vary generally depend on the physical host OS version, it would be advised to take a second opinion from your in-house Linux team.
2. Do we have to first expand the VV in SSMC for the Linux server, and after rescan and then expand the VM VV in Vcenter
Yes, we need to expand the VV in SSMC first then on vcenter just rescan the datastores and check if the size has increased.
refer SSMC user guide for additional information
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=emr_na-a00085217en_us
3. can VV be expanded in the Linux server, just like in Windows disk management console or how do we know that the vv in the Linux server has been Increased ??
1. Identify the partition - "fdisk -l"
2. run "df -h" to identify the "/dev/mapper/" partition and get its size.
3. Add a new virtual hard-disk as follows.
a. Right click the VM in vSphere.
b. Select Edit settings and then click the “Add…” option to add the hardware to the VM.
c. Select the hard disk and click next.
d. Select create a new virtual disk and click next.
e. Select an appropriate disk size and click next when this step completes.
f. Click on Advanced Option and Next.
g. Review the created disk and click Finish to see the newly created disk in the "hardware devices" tab.
4. Detect this new disk space "fdisk -l".
5. If a reboot and rescan is to be avoided, run
echo "- - -" > /sys/class/scsi_host/host0/scan
6. Partition the new disk (check out Linux admin guide for more help)
fdisk /dev/sdb
7. Increase the logical volume.
pvcreate /dev/sdb1
8. Extend the volume group
vgextend <volume group> /dev/sdb1
9. Scan all the disks for the physical volume.
pvscan
10. Confirm the name of the logical volume
lvdisplay
11. Extend the logical volume.
lvextend /dev/<volume group>/root /dev/sdb1
12. Re-size the file system.
resize2fs /dev/<volume group>/root
check the following link for additional inofrmation
https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=emr_na-c03290624
Hope this helps @Techcreeb
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05-10-2021 11:20 AM
05-10-2021 11:20 AM
Re: Vmware Virtual Machine Storage Volume
Hi Josh,
You are more than appreciated and Thanks Lot for your Proffesionalism and Your Sincere and Kind Support
Krgds/ #plsStaysafe