Motivation
- Main NAS は TrueNAS Scale を使っている
- Backup NAS は、仮で Ubuntu+mdadm を入れている
- 運用は Zabbix を使って監視しようかと思っていたが、他にやりたいことが出てきたので面倒になった
-
Backup NAS も TrueNAS にしても良かったが、慣れた同じ TrueNAS にするのも面白くない
- (TrueNAS にすると Replication を TrueNAS の責任で行わせられるので楽ではある)
- Rockstor は知っていたので、とりあえず使ってみる
What is Rockstor
- https://rockstor.com/
- TrueNAS のような NAS 用 OS の仲間
- ファイルシステムは Brtfs
- TrueNAS は OpenZFS
- ベースとなる OS は、古くは CentOS、最近は OpenSUSE になっているらしい
- TrueNAS は FreeBSD/Debian
- TrueNAS より HW 要件が緩い
- Raspberry Pi 4 も公式にサポートされている
- ただし、Stable Channel で Update を受けるためにはサブスクが必要 (24EUR)
HW
- 今回は、じゃんぱらで安く入手した Dell Wyse5070 を使う
- CPU: Intel(R) Celeron(R) J4105 CPU @ 1.50GHz
- Mem: 8GB (4GBx2)
- Toshiba KKN2NM-MIE
- SK_Hynix HMA851S6DJR6N-XN
- Storage: 128GB (SATA SSD)
- Sandisk SD9SN8W-128G
Install
- .iso (openSUSE Leap15.6) ダウンロード
- Rufus で USB ディスク作成
- USB Boot
- SecureBoot が Enabled かつ、SecureBoot Mode が Deplyed Mode の場合、
Operating System Loader failed signature verification. WARNING: The file may have been tampered with
と表示されて Boot できない可能性がある - 上記の場合、SecureBoot を Disabled にするか、SecureBoot Mode を Audit Mode に設定する
- SecureBoot が Enabled かつ、SecureBoot Mode が Deplyed Mode の場合、
- Menu が表示されるので、
Install Rockstor-Leap15.6-generic
を選択 - インストールを進める
- Select Instllation Disk
- Select system locale
- Select keyboard layout
- License Agreement
- Select time zone
- Enter root password
- Confirm root password
- 以降インストールが進行してログインプロンプトが表示される。その後
[ OK ] Finished Rockstor bootstrapping tasks.
が表示されるまで待つ- このブートメッセージが表示されると WebUI にアクセスできるようになる
Configuration
- WebUI にアクセス
- 初回セットアップを行う
- NTP 有効化
- 左メニュー or 右上のメニューの
System
からNTP
を ON -
ntp.nict.jp
をセット
- 左メニュー or 右上のメニューの
- Disk 初期化
- 左メニュー or 右上のメニューの
STORAGE > Disks
を選択 - 必要なディスクの歯車マークをクリック
- Select Partition to use (filesystem) で
Whole Disk (None) - active
を選択 - エラーが出たら SSH で接続して強制的にフォーマットする
rockstor:~ # /usr/sbin/wipefs -af /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0\:0 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffbf000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffbe000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffbd000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffbc000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffbb000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffba000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb9000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb8000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb7000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb6000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb5000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb4000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffb3000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 8 bytes were erased at offset 0xe8d7ffffe00 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_34518000263E-0:0: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa rockstor:~ # /usr/sbin/wipefs -af /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0\:0 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffbf000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffbe000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffbd000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffbc000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffbb000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffba000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb9000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb8000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb7000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb6000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb5000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb4000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffb3000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 8 bytes were erased at offset 0xe8d7ffffe00 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Kuroutoshikou_GW3.5AM-SU3G2P_3651800002A3-0:0: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa rockstor:~ # /usr/sbin/wipefs -af /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0\:0 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffbf000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffbe000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffbd000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffbc000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffbb000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffba000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb9000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb8000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb7000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb6000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb5000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb4000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffb3000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 8 bytes were erased at offset 0xe8d7ffffe00 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AB-0:0: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa rockstor:~ # /usr/sbin/wipefs -af /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0\:0 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffbf000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffbe000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffbd000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffbc000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffbb000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffba000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb9000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb8000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb7000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb6000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb5000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb4000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffb3000 (zfs_member): 0c b1 ba 00 00 00 00 00 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0x00000200 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 8 bytes were erased at offset 0xe8d7ffffe00 (gpt): 45 46 49 20 50 41 52 54 /dev/disk/by-id/usb-Logitec_LGB_USB_Device_18130000000013AC-0:0: 2 bytes were erased at offset 0x000001fe (PMBR): 55 aa
- wipefs の結果を反映させるため、再起動する
-
?
になっていれば OK
- 左メニュー or 右上のメニューの
- Pool 作成
- 左メニュー or 右上のメニューの
STORAGE > Pools
を選択 -
Create Pool
選択 - オプションとディスクを選択して
Submit
- Rockstor の場合、
Pool = Volume
なので作成終了 - マウントされているのは
/mnt2
以下rockstor:~ # lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS sda 8:0 0 119.2G 0 disk ├─sda1 8:1 0 2M 0 part ├─sda2 8:2 0 64M 0 part /boot/efi ├─sda3 8:3 0 2G 0 part [SWAP] └─sda4 8:4 0 117.2G 0 part /var /usr/local /tmp /srv /root /opt /home /boot/grub2/x86_64-efi /boot/grub2/i386-pc /.snapshots / sdb 8:16 0 14.6T 0 disk /mnt2/backup sdc 8:32 0 14.6T 0 disk sdd 8:48 0 14.6T 0 disk sde 8:64 0 14.6T 0 disk sdf 8:80 1 14.4G 0 disk ├─sdf1 8:81 1 830.5M 0 part └─sdf2 8:82 1 20M 0 part mmcblk0 179:0 0 14.7G 0 disk mmcblk0boot0 179:8 0 4M 1 disk mmcblk0boot1 179:16 0 4M 1 disk rockstor:~ # mount /dev/sda4 on / type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=258,subvol=/@/.snapshots/1/snapshot) devtmpfs on /dev type devtmpfs (rw,nosuid,size=4096k,nr_inodes=983499,mode=755,inode64) tmpfs on /dev/shm type tmpfs (rw,nosuid,nodev,inode64) devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,gid=5,mode=620,ptmxmode=000) sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,relatime) securityfs on /sys/kernel/security type securityfs (rw,nosuid,nodev,noexec,relatime) cgroup2 on /sys/fs/cgroup type cgroup2 (rw,nosuid,nodev,noexec,relatime,nsdelegate,memory_recursiveprot) pstore on /sys/fs/pstore type pstore (rw,nosuid,nodev,noexec,relatime) efivarfs on /sys/firmware/efi/efivars type efivarfs (rw,nosuid,nodev,noexec,relatime) bpf on /sys/fs/bpf type bpf (rw,nosuid,nodev,noexec,relatime,mode=700) proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) tmpfs on /run type tmpfs (rw,nosuid,nodev,size=1590720k,nr_inodes=819200,mode=755,inode64) systemd-1 on /proc/sys/fs/binfmt_misc type autofs (rw,relatime,fd=32,pgrp=1,timeout=0,minproto=5,maxproto=5,direct,pipe_ino=20720) hugetlbfs on /dev/hugepages type hugetlbfs (rw,nosuid,nodev,relatime,pagesize=2M) mqueue on /dev/mqueue type mqueue (rw,nosuid,nodev,noexec,relatime) debugfs on /sys/kernel/debug type debugfs (rw,nosuid,nodev,noexec,relatime) tracefs on /sys/kernel/tracing type tracefs (rw,nosuid,nodev,noexec,relatime) fusectl on /sys/fs/fuse/connections type fusectl (rw,nosuid,nodev,noexec,relatime) configfs on /sys/kernel/config type configfs (rw,nosuid,nodev,noexec,relatime) /dev/sda4 on /.snapshots type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=257,subvol=/@/.snapshots) /dev/sda4 on /boot/grub2/i386-pc type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=266,subvol=/@/boot/grub2/i386-pc) /dev/sda4 on /boot/grub2/x86_64-efi type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=267,subvol=/@/boot/grub2/x86_64-efi) /dev/sda4 on /home type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=259,subvol=/@/home) /dev/sda4 on /opt type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=260,subvol=/@/opt) /dev/sda4 on /root type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=261,subvol=/@/root) /dev/sda4 on /srv type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=262,subvol=/@/srv) /dev/sda4 on /tmp type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=263,subvol=/@/tmp) /dev/sda4 on /usr/local type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=265,subvol=/@/usr/local) /dev/sda2 on /boot/efi type vfat (rw,relatime,fmask=0022,dmask=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro) /dev/sda4 on /var type btrfs (rw,noatime,ssd,discard=async,space_cache,subvolid=264,subvol=/@/var) tmpfs on /run/user/0 type tmpfs (rw,nosuid,nodev,relatime,size=795356k,nr_inodes=198839,mode=700,inode64) /dev/sdb on /mnt2/backup type btrfs (rw,relatime,compress=zstd:3,space_cache=v2,subvolid=5,subvol=/) tracefs on /sys/kernel/debug/tracing type tracefs (rw,nosuid,nodev,noexec,relatime)
- 左メニュー or 右上のメニューの
SSH Configuration
- デフォルトでは SSH できるのが root ユーザだけなので、ユーザを追加する
-
/etc/ssh/sshd_config
のAllowUsers
を変更--- /etc/ssh/sshd_config.bak 2025-02-22 08:06:34.886955074 +0900 +++ /etc/ssh/sshd_config 2025-02-22 08:06:50.279015542 +0900 @@ -130,4 +130,4 @@ # ForceCommand cvs server ###BEGIN: Rockstor SFTP CONFIG. DO NOT EDIT BELOW THIS LINE### Subsystem sftp internal-sftp -AllowUsers root +AllowUsers root uyiromo
- 変更したら Reboot
メール通知
- 今回は Discord の Channel に送る
- 左メニュー or 右上のメニューの
System
からEmail Alerts
を 選択 -
Add an email account
選択 - SMTP 設定を入力
-
Test current SMTP params
をクリック -
Submit
で保存
6.Email Alerts の画面に戻って来るので、Actions の紙飛行機のアイコンをクリックしてテスト
Network I/F の設定
- 1 GbE の他に 2.5 GbE を USB 経由でつなげるのでその設定