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7
votes
2answers
2k views

ZFS - destroying deduplicated zvol or data set stalls the server. How to recover?

I'm using Nexentastor on a secondary storage server running on an HP ProLiant DL180 G6 with 12 Midline (7200 RPM) SAS drives. The system has an E5620 CPU and 8GB RAM. There is no ZIL or L2ARC device. ...
10
votes
1answer
2k views

How large is my ZFS dedupe table at the moment?

I have read a lot of information about planning RAM requirements forZFS deduplication. I've just upgraded my file server's RAM to support some very limited dedupe on ZFS zvols which I cannot use ...
8
votes
3answers
2k views

Backup storage server with ZFS

I am IT everything man at a small company. I want to design a new infrastructure including a new server and a separate backup server with company wide backup policy. The most important thing in the ...
1
vote
3answers
364 views

How to cut of Windows 2012 Server to save the disk space?

I have VPS Hosting windows 2012 Server + MSSQL Server 40GB storage. I am running out of space and I don't want to upgrade the hosting to more expensive variant. I have cleaned logs, temporary files, ...