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Deleting large file fails and crashes NAS
Hi all.
I have a 300GB file that I want to delete however when I try to do it via Windows or SSH it fails and crashes the NAS, meaning I have to remove the power to reboot it (it doesn't respond to...
You could try a single truncation via ssh
truncate -s 0 myfile.ext
Progressive truncation just uses different parameters for -s (size). For instance, -s 100G or -s 100M.
Echo is another tool that can truncate a file.
echo > myfile.ext
Either way, turn snapshots off before you do this. Perhaps also disable checksums and quota if they are enabled (look on the volume settings wheel).
If it works, I suggest running a balance afterwards. If that also locks up, then post back.
I suggest running the disk test next - it's one of the options on the volume settings wheel.
Also, download the log zip, and see if there are any disk or BTRFS errors in system.log and kernel.log.
Running a disk text now. For a 4TB setup in RAID1 (4TBx2) how long should I expect this to take?
The last one I ran took 13 hours with a 4x6TB array with healthy disks. I'm not sure if it tests the drives sequentially or in parallel. Maybe assume about 8 hours.
If you have spindown enabled, maybe temporarily turn that off.
Thanks Stephen, will leave it going then! :) Have turned off disk spin down, had it set to 240 minutes inactivity.
No disk errors in kernel.log or system.log which is reassuring.
Only errors I see are these:
Line 4502: May 02 12:36:50 wsdd2[2091]: error: wsdd-mcast-v4: wsd_send_soap_msg: send
Line 4503: May 02 12:36:50 wsdd2[2091]: error: wsdd-mcast-v6: wsd_send_soap_msg: send
Line 4504: May 02 12:36:50 wsdd2[2091]: error: llmnr-mcast-v4: open_ep: IP_ADD_MEMBERSHIP
Line 4521: May 02 12:36:52 wsdd2[2091]: error: wsdd-mcast-v4: wsd_send_soap_msg: send
Line 4522: May 02 12:36:52 wsdd2[2091]: error: wsdd-mcast-v6: wsd_send_soap_msg: send
Line 4597: May 02 12:47:22 smbd[4481]: list_snaps error response: error.no_permissions
Line 4597: May 02 12:47:22 smbd[4481]: list_snaps error response: error.no_permissions
Line 4853: May 02 14:38:16 wsdd2[2073]: error: wsdd-mcast-v4: wsd_send_soap_msg: send
Line 4854: May 02 14:38:16 wsdd2[2073]: error: wsdd-mcast-v6: wsd_send_soap_msg: send
Line 4855: May 02 14:38:16 wsdd2[2073]: error: llmnr-mcast-v4: open_ep: IP_ADD_MEMBERSHIP
Line 4868: May 02 14:38:18 wsdd2[2073]: error: wsdd-mcast-v4: wsd_send_soap_msg: send
Line 4869: May 02 14:38:18 wsdd2[2073]: error: wsdd-mcast-v6: wsd_send_soap_msg: sendThere is a method to progressively delete huge files via SSH by repeatedly truncating it. Have you tried that?
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