![]() ![]() I've been trying to figure out that little magical part of chkdsk so I can isolate it and make a utility, but haven't found it yet. ![]() When chkdsk starts up, the first thing it does is extend the shadowstorage to match the MinDiffAreaSize. If you do really want to resize the volumestorage, there is a nifty trick, you can run this (assume your VSS volume is E: here): To choose your own disaster, whether it deletes or unmounts the volume, you will have to set the protection level on the volume to Snapshot protection instead of OriginalVolume protection, which can be a little challenging to even get to that setting. This includes allotting space for one drive on another. You may substitute any drive letter for X: in the above command. Enter the command: vssadmin add shadowstorage /forX: /onX: /maxsize10. Unfortunately volsnap is a separate process that doesn't run inline with the IO subsystem, so it is not able to simply "pause" your IO's to complete an actual resize. To add shadowstorage space if none exists, please follow these steps: Open an elevated command prompt using the run as administrator option. Allocated Shadow Copy Storage space: 50.0 GB (0) Maximum Shadow Copy Storage space: UNBOUNDED. Allocated Shadow Copy Storage space is total 100GB(system and boot volume), Veeam seems to be reading it. If your disk IO's are high and the volsnap can't allocate space fast enough, it will eitherĪ) delete your snapshot, which is the default (yes, it really is the default) So I checked shadow copy storage space during backup session. It doesn't actually resize anything, but it sets the maximum size value, so when volsnap comes along later to add more to your snapshot storage, it knows the limit that you Keep in mind that the vssadmin resize command is a bit misleading. If you have feedback for TechNet Subscriber Support, a bit of FYI: Please remember to mark the replies as answers if they help. Vssadmin resize shadowstorage /for=C: /on=C: /maxsize=5% Vssadmin resize shadowstorage /for=C: /on=C: /maxsize=12GB Vssadmin resize shadowstorage /for= /on= /maxsize= It will show you the current maximum usage size for all drives that have a shadow copy storage space. Remember to click OK to save the changes.Ģ. Scroll the Max Usage slide to adjust the size to what you desire.ĥ. Jump to System Protection tab, click Configure.Ĥ. Click System protection at the left pane.ģ. Right click This PC, select its Properties.Ģ. If it's system drive, you have two methods to resize it.ġ. The defined maximum size of the Volume Shadow Copy is smaller than the required size to complete the shadow copy may also be the reason for this error. ![]()
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