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JBOD across two disks, one fails
Hello Community: I have a ReadyNAS RN102 with two 2TByte disks configured as a single JBOD volume across both disks (Yes, I know). One is now failing with the effect that the NAS's web interface is ...
If you can, turn on SSH as soon as you have any GUI access. Then, you can use the Linux command prompt to copy your files to USB.
It is a shame that Netgear has such a stern warning about SSH, as many suffer the catch 22 of not having SSH enabled when there is a potential fix, or at least work-around via SSH to their issue, had it only already been enabled.
If you can, turn on SSH as soon as you have any GUI access. Then, you can use the Linux command prompt to copy your files to USB.
It is a shame that Netgear has such a stern warning about SSH, as many suffer the catch 22 of not having SSH enabled when there is a potential fix, or at least work-around via SSH to their issue, had it only already been enabled.
I had the same thought. I was not able to switch on SSH via the web interface, but with an app called NAS Utils on my iPhone. Now -- as a Unix novice -- I need to figure out, who to copy the data. At least I can see the disks and partitions via lsbkl now.
HAL_9000 wrote:
I had the same thought. I was not able to switch on SSH via the web interface, but with an app called NAS Utils on my iPhone. Now -- as a Unix novice -- I need to figure out, who to copy the data. At least I can see the disks and partitions via lsbkl now.
Can you first check to see how full the OS partition is?
Start by entering
# mount --bind / /mnt
# df -h /mntThat mounts sysroot as /mnt, and then shows you the OS partition usage. Normally it will be 25-30% full.
If it is full, then let us know and we can give some guidance on cleaning it.
When done, you unmount with
# umount /mnt
Note the spelling - umount, not unmount.
BTW, make sure you log in as root using the NAS admin password.
Filesystem Size Used Avail Use% Mounted on
/dev/md0 4.0G 748M 3.0G 20% /mnt
And this is how lsblk looks.
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 1.8T 0 disk ├─sda1 8:1 0 4G 0 part │ └─md0 9:0 0 4G 0 raid1 / ├─sda2 8:2 0 512M 0 part │ └─md1 9:1 0 511M 0 raid1 [SWAP] └─sda3 8:3 0 1.8T 0 part └─md126 9:126 0 1.8T 0 raid1 /NAS_Bak sdb 8:16 0 1.8T 0 disk ├─sdb1 8:17 0 4G 0 part │ └─md0 9:0 0 4G 0 raid1 / ├─sdb2 8:18 0 512M 0 part │ └─md1 9:1 0 511M 0 raid1 [SWAP] └─sdb3 8:19 0 1.8T 0 part └─md127 9:127 0 1.8T 0 raid0 sdc 8:32 0 4.6T 0 disk └─sdc1 8:33 0 4.6T 0 part /run/nfs4/media/USB_HDD_1 mtdblock0 31:0 0 1.5M 1 disk mtdblock1 31:1 0 512K 1 disk mtdblock2 31:2 0 6M 1 disk mtdblock3 31:3 0 4M 1 disk mtdblock4 31:4 0 116M 1 disk
What's next? rsync?
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