A neni lepsi to bootnout z iSCSI a pripojit si tam z NASky fs jak velkej chces ;-) Vyhoda nepotrebujes zadnou sdcard ktera se v rpi akorat mrvi. A pripojovat fs pres USB sice jde ale je to taky trochu old-skool.
pi@raspberrypi:~$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 128G 0 disk /
pi@raspberrypi:~$ dmesg | grep -i sda
[ 10.626264] sd 0:0:0:1: [sda] 268435456 512-byte logical blocks: (137 GB/128 GiB)
[ 10.626602] sd 0:0:0:1: [sda] Write Protect is off
[ 10.626636] sd 0:0:0:1: [sda] Mode Sense: 43 00 10 08
[ 10.627192] sd 0:0:0:1: [sda] Write cache: enabled, read cache: enabled, supports DPO and FUA
[ 10.627748] sd 0:0:0:1: [sda] Optimal transfer size 16384 logical blocks > dev_max (8192 logical blocks)
[ 10.651169] sd 0:0:0:1: [sda] Attached SCSI disk
[ 18.485089] EXT4-fs (sda): mounted filesystem with ordered data mode. Opts: (null)
[ 21.777654] EXT4-fs (sda): re-mounted. Opts: (null)
pi@raspberrypi:~$