3parunmapcommand

2016年6月24日—Myunderstandingis:Vmwaresendstheunmapcommandon200MBchunks.Thisisaconvenientnumber,andnothinginHPE'sdocumentation ...,2012年4月4日—UNMAPisaSCSIcommandusedtoreclaimspacefromblocksthathavebeendeletedbyavirtualmachine(OSorapplication).InvSphere5,UNMAP ...,2019年4月9日—Iclearedaround2TbofspacefromVMWareandthenrantheunmapcommandagainstallthedatastoresonVMWare....HPE3PARCommandLine ...,...

參考資訊如下
Reclaiming unused space from ESX datastores

2016年6月24日 — My understanding is: Vmware sends the unmap command on 200MB chunks. This is a convenient number, and nothing in HPE's documentation ...

T10 UNMAP in VMware vSphere and 3PAR - Cloud

2012年4月4日 — UNMAP is a SCSI command used to reclaim space from blocks that have been deleted by a virtual machine (OS or application). In vSphere 5, UNMAP ...

HPE 3PAR unmapping free space

2019年4月9日 — I cleared around 2Tb of space from VMWare and then ran the unmap command against all the datastores on VMWare. ... HPE 3PAR Command Line ...

Reclaiming disk space with VMware vSphere and HPE ...

2018年10月17日 — The process of reclaiming storage is called UNMAP, which is a SCSI command that is used by storage arrays to reclaim disk blocks that have been ...

Reclaim unused space on HP 3PAR using VMware esxicli

... command line like: 30 1 * * * esxcli storage vmfs unmap --volume-label=volume_label. The above example runs the command every day at 01:30 AM. You may want ...

How to reclaim storage on HP 3Par systems.

2015年2月11日 — UNMAP is supported from Windows Server 2012 + R2 – so this should help 3Par release storage. Windows Server 2003/2008 server requires Sdelete.

HP 3Par disk space reclaiming issue

The problem we have is that the 3PAR hit 99% while attempting to reclaim space. I ran the VMWare unmap command and it just increased the space on the 3PAR.

Reclaim space in HP 3Par SAN & VMware ESXi

2017年3月16日 — I just reclaimed unused space in our HP 3Par using a command on the ESX side such as : esxcli storage vmfs unmap --l DATASTORENAME. it works ...

space reclamation

2018年4月4日 — Run unmap command from ESXi(esxcli storage vmfs unmap something ... If your 3par is all SSDs, is there any point to doing a defrag? Yes, its ...

3PAR Utility Storage with vSphere

Using the UNMAP command, vSphere can automatically issue a command to the storage array to unallocate blocks of storage freed by vSphere, for example from a ...