Created on 10-17-2016 06:13 AM Edited on 06-02-2022 10:01 AM By Anonymous
Description
There is a way to add a new disk without rebooting AO. Since we live on a linux box, we can utilize the kernel to rescan for a disk and run commands to mount it. The purpose for this is usually to move disks around or move data around.
NOTE: You will need to have some VM and Linux administrative experience in order to perform this task.
1 - Log into your ESX(i) Server
2 - Right Click and Edit Settings your AO Super
3 - Select Add
4 - Add a new Hard Disk
5 - Once you have added the Hard Disk, Click OK
6 - Allow the ESX(i) server to finish processes the changes then SSH into AO as root user
7 - ls –l /sys/class/scsi_host/
Example Output:
host0
8 - echo "- - -" > /sys/class/scsi_host/hostx/scan
NOTE: hostx will need to be replaced by the result in step 7
Example Command:
echo "- - -" > /sys/class/scsi_host/host0/scan
9 - less /var/log/messages
[NOTE: This will tell you where the new drive is located]
Example output:
Jan 14 16:32:34 james-sp kernel: Vendor: VMware Model: Virtual disk Rev: 1.0 Jan 14 16:32:34 james-sp kernel: Type: Direct-Access ANSI SCSI revision: 02 Jan 14 16:32:34 james-sp kernel: target0:0:5: Beginning Domain Validation Jan 14 16:32:34 james-sp kernel: target0:0:5: Domain Validation skipping write tests Jan 14 16:32:34 james-sp kernel: target0:0:5: Ending Domain Validation Jan 14 16:32:34 james-sp kernel: target0:0:5: FAST-40 WIDE SCSI 80.0 MB/s ST (25 ns, offset 127) Jan 14 16:32:34 james-sp kernel: SCSI device sdc: 69206016 512-byte hdwr sectors (35433 MB) Jan 14 16:32:34 james-sp kernel: sdc: Write Protect is off Jan 14 16:32:34 james-sp kernel: sdc: cache data unavailable Jan 14 16:32:34 james-sp kernel: sdc: assuming drive cache: write through Jan 14 16:32:34 james-sp kernel: SCSI device sdc: 69206016 512-byte hdwr sectors (35433 MB) Jan 14 16:32:34 james-sp kernel: sdc: Write Protect is off Jan 14 16:32:34 james-sp kernel: sdc: cache data unavailable Jan 14 16:32:34 james-sp kernel: sdc: assuming drive cache: write through Jan 14 16:32:34 james-sp kernel: sdc: unknown partition table Jan 14 16:32:34 james-sp kernel: sd 0:0:5:0: Attached scsi disk sdc Jan 14 16:32:34 james-sp kernel: sd 0:0:5:0: Attached scsi generic sg2 type 0 Jan 14 16:34:55 james-sp kernel: SCSI device sdc: 69206016 512-byte hdwr sectors (35433 MB) Jan 14 16:34:55 james-sp kernel: sdc: Write Protect is off Jan 14 16:34:55 james-sp kernel: sdc: cache data unavailable Jan 14 16:34:55 james-sp kernel: sdc: assuming drive cache: write through Jan 14 16:34:55 james-sp kernel: sdc: sdc1 Jan 14 16:34:57 james-sp kernel: SCSI device sdc: 69206016 512-byte hdwr sectors (35433 MB) Jan 14 16:34:57 james-sp kernel: sdc: Write Protect is off Jan 14 16:34:57 james-sp kernel: sdc: cache data unavailable Jan 14 16:34:57 james-sp kernel: sdc: assuming drive cache: write through Jan 14 16:34:57 james-sp kernel: sdc: sdc1
10 - You will now be able to partition and create the file system. In the example above, the new disk is /dev/sdc1. Your disk location may be different
11 - Follow the link and utilize steps 11 -> 23 to Partition, Create the FS, and finally mount the disk: https://accelops.zendesk.com/entries/25546883-KB-0000119-How-to-Expand-cmdb-disk-manually-
12 - If you want to have this disk mounted each time AO reboots, you will have to edit /etc/fstab in order to do so.
Some Linux administrative knowledge is necessary to be successful
Some ESXi administrative knowledge is necessary to be successful
ALL
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