NETGEAR is aware of a growing number of phone and online scams. To learn how to stay safe click here.
Forum Discussion
iSCSI Corruption and chkdsk #25243902
I have a 4220 with 12TB. 10TB is an iSCSI LUN.
Started having corruption issues with backups being stored on the LUN. Windows event viewer indicated drive corruption on the iSCSI device. Ran a chkdsk /x on the drive, and it found a lot of errors. Now, it is stuck "recovering orphaned file", and it has been this way for 3 days. There is still about a 1% constant utilization on my storage network adapter, and chkdsk and system services are taking up about 12% system resources. So, it looks like it is doing something, but its just taking a long time?
Any idea why the corruption may have occurred? Any idea how long this may take to recover? Any ideas how to avoid this in the future, or other tools I can use to get back online and recover my data?
Thanks
Started having corruption issues with backups being stored on the LUN. Windows event viewer indicated drive corruption on the iSCSI device. Ran a chkdsk /x on the drive, and it found a lot of errors. Now, it is stuck "recovering orphaned file", and it has been this way for 3 days. There is still about a 1% constant utilization on my storage network adapter, and chkdsk and system services are taking up about 12% system resources. So, it looks like it is doing something, but its just taking a long time?
Any idea why the corruption may have occurred? Any idea how long this may take to recover? Any ideas how to avoid this in the future, or other tools I can use to get back online and recover my data?
Thanks
4 Replies
Replies have been turned off for this discussion
- Generally it is caused by something at the PC end or somewhere on your network. Usually it is not at the NAS end, but send your NAS logs in anyway (see the Sending Logs link in my sig).
- Thanks, created a support case (25243902) and uploaded logs.
- How big is the LUN? Is it filling 90% of the volume or is there other data on the volume as well?
Is it thin/thick?
Do you recall on which firmware you created it?
You could try software such as Active File Recovery.
Do you have your iSCSI traffic going through it's own subnet and VLAN, separate to your other network traffic? If not, you definitely should consider this in future. - Not sure which firmware, but I recall an update where I had to wipe my data and reformat anyway. Maybe 6.2.2?
LUN is 8GB, total space on NAS is 9.2 TB. Thin I guess, I would have done a quick format on the LUN once it was connected to Windows.
iSCSI traffic is all on its own storage switch. No other traffic goes over this hardware.
NETGEAR Academy
Boost your skills with the Netgear Academy - Get trained, certified and stay ahead with the latest Netgear technology!
Join Us!
