Willkommen Audio Rezepte

RH Storage

Partition Table

fdisk -cul <device>show partition table (sector view)
fdisk -cu <device>edit partition table
partprobe <device>force Kernel to update his partitiontable "view"
partprobe -s <device>show summary of partitiontable "view"

Filesystem

mkfs
blkid display uuid and others

Encryption

cryptsetup luksFormat <partition>encrypt volume and set PW
cryptsetup luksOpen <partition> <name>unlock encrypted volume and provide /dev/mapper/<name>
now you can add a filesystem to /dev/mapper/<name>
cryptsetup luksClose <name>remove unencrypted version of <partition>

for automatic provisioning during boot use /etc/crypttab 

<name> <partition> /path/to/passwordfile

create passworfile: 

cryptsetup luksAddKey <partition> </path/to/passwordfile

then add /dev/mapper/<name> to /etc/fstab

Swapspace

iSCSI

lsscsi Shows all known SCSI-Devices (iSCSI!)
iscsiadm -m discovery -t st -p <lunprovider ip>provides target lists I can mount (see <Target IQN> below)
iscsiadm -m node -T <Target IQN> -p <lunprovider ip> -l connect <Target IQN> from <lunprovider> localy
service iscsi status show currently connected luns
ls -l /dev/disk/by-path/*iscsi*Display the devicenames of the mounted Targets
iscsiadm -m node -T <Target IQN> -p <lunprovider ip> -u disconnect <Target IQN> from <lunprovider> temporarily
iscsiadm -m node -T <Target IQN> -p <lunprovider ip> -o delete remove <Target IQN> from <lunprovider> permanently
Willkommen Audio Rezepte
Last edited 2013-06-19

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