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unique link to systemdisk

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buchel_k
2025-02-21 15:47:19 +01:00
parent 8e42898959
commit 1cf8c43c15
1 changed files with 13 additions and 4 deletions
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admin-guide/deployment/basic_installation.md
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@@ -94,18 +94,27 @@ For custom kernel commandline arguments for the installer (e.g. to provide drive
bob node set-attr lx-test-02.psi.ch kernel_cmdline=inst.dd=https://linuxsoft.cern.ch/elrepo/dud/el8/x86_64/dd-megaraid_sas-07.725.01.00-1.el8_9.elrepo.iso
```
#### Custom Partitioning
Partitions system are configured with a standard schema using LVM, so that they can be possibly changed afterwards.
#### Custom/Fixed System Disk
By default the whole space available on the first block device is used and any existing partition is removed.
Alternatively you might set the sysdb attribute `system_disk` with the device name of the disk which should be used instead::
Alternatively you might set the sysdb attribute `system_disk` with the device name of the disk which should be used instead:
```bash
bob node set-attr $FQDN system_disk=md126
```
The ordering of disks (`sda`, `sdb`, ...) might sometimes not be stable.
To explicitely select the disk you might use on of the links below `/dev/disk` like
```bash
bob node set-attr $FQDN system_disk=disk/by-path/pci-0000:a1:00.0-ata-1
```
#### Custom Partitioning
Partitions system are configured with a standard schema using LVM, so that they can be possibly changed afterwards.
It is also possible to customize the partitioning by using the `partitions` attribute on sysdb. See https://git.psi.ch/linux-infra/bob for more details.