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Although I didn't find a solution for deleting files directly by using the CLI, I discovered some old snapshots. I was able to delete those old snapshots by using the CLI and that gave me some free space again on the LUN. How to delete snapshots by using the CLI I could find here: ...


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Deleting files inside the server that uses the LUN will not necessarily free up space. VMWare leaves data from its deleted files all over the disk, dereferencing deleted files without actually removing or overwriting their data. If you're using a supported combination of VMWare and Netapp, you can use a special VAAI command to unreference scsi sectors that ...


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I will edit this answer based on further information. First, we need to determine whether the wait is being observed by the Netapp too, or just the host. If the host sees high service time but the NAS claims to have low service time, it's something between the NAS ports and the server's SCSI stack. What version of data ontap are you running? 7-mode or CDOT? ...


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Too long for a comment; I'am not a Linux guru, but in Windows I disable TCP Large Send Offload on the NIC, as it can produce lag. It send less packets, but bigger, but for critical IO it's not recommended. A official explanation; The TCP Large Send Offload option allows the AIX TCP layer to build a TCP message up to 64 KB long and send it in one ...



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