Activity for Bernhard
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Bernhard posted a comment on discussion General Discussion
DDD, thanks for the feedback. Sounds like decrypting the system partition, switching to UEFI and reencrypting the partion is the way to go. I know this isn't really a VeraCrypt- related question, but since you mention disadvantages of UEFI mode: Any other reason (even if unrelated to VeraCrypt) for not switching over to UEFI?
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Hi all, My PC with Windows 10 x64 21H2 still runs legacy BIOS (boot SSD uses MBR) and I'm contemplating switching over to UEFI by switching my boot drive to GPT. However I'm not sure, if I can do this with VeraCrypt System Encryption being active. My VeraCrypt version is 1.25.9 (64-bit). From what I read it is definitely not possible to switch to UEFI, if I have System Encryption with full drive encryption and that it "might" be possible, if only the system partition is encrypted, rather than the...
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It's been several weeks now and after running that SSD from a powered USB hub, it's been rock-solid. I'd just like to say thank you for all your help. I very much appreciate all the time and effort you put into helping me with this issue, even when it was clear that this wasn't related to VeraCrypt at all. Thanks again, Bernhard
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The PC manual as well as the data sheet unfortunately don't give any details about the USB 3.0 ports re. power output. Contacting Samsung support is a great idea, but before I do that. I'd like to gather a few more data points. Currently I'm testing with the powered USB 3.0 hub (power through the USB A to C cable). If that fails I can also test it with my powered USB 3.0 to SATA adapter ( https://www.amazon.com/gp/product/B005B3VO24/ ), which would also rule out cable and enclosure as a problem....
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Thanks again for your super-fast response. Your question re. power requirement is a very valid one and I went back and checked the numbers. According to Samsung's data sheet the 850 Pro uses max. 3.5W, and that's for the 2TB version ( https://www.samsung.com/semiconductor/minisite/ssd/product/consumer/850pro/ ). Tom's Hardware measured 3W power consumption for the 1TB version ( https://www.tomshardware.com/reviews/samsung-850-pro-ssd-performance,3861-10.html ). My SSD is only 512 GB, so power consumption...
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The SDD ist NOT powered by an external power adapter. I'm using a Satechi USB Type C enclosure ( https://www.amazon.com/gp/product/B01FWT2N3K ) and a Belkin USB-A to USB-C Cable (USB 3.1) that I bought in the Apple Store. Now I've removed the drive from the USB-3 type A port of my Lenovo W520 and connected it to my Anker 10 port USB hub ( https://www.amazon.com/gp/product/B005NGQWL2 ) and that is connected to a different USB port on the W520. So should I be using an enclosure with external power...
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Things went well for a couple of nights, but today I had the same problem again (and once again event 98 in the Windows system log). :( So at this point I'm wondering, if this is a hardware problem - perhaps with that USB port - and if perhaps I should move the drive to a powered USB hub, which is connected to a different USB port on my computer. Thoughts on that or other suggestions?
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Wow you're fast. :) :) :) Ok, PCI Link State Power Management now set to off. The Sleep settings were as you suggested, except for "Allow Wake timers", which was set to "Important wake timers only". ( I now remember changing that a few months ago, when I was trying out wake-on-LAN and never changed it back). I now changed that one to "Disabled" as well and will reboot for good measure. As usual I'll keep you posted of the results.
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Unfortunately I had the same problem again this morning and found - once again - NTFS Event-ID 98 in the Windows system log. I checked the power plan once again and both USB selective suspend and "Turn off hard disks" are disabled. I did notice however another setting "PCI Express -> Link state Power Management" and it is set to "Maximum power savings". Not sure, if this (indirectly) affects USB devices as well and perhaps I should set this to "Off"... Other than that I'm not sure what else to do....
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Yes, USB selective suspend was already disabled. :) FWIW, this morning I didn't have the issue. that that happened in previous nights (before disabling hard drive turn off), so I'm going to keep monitoring this.
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Thanks so much for your response. The Power Plan had (strangely enough) indeed a power off setting for disk drives of 99 minutes when plugged-in. I do not remember setting that, so I'm wondering, if that was a "present" by the most recent Windows update. The strange thing is that with 99 minutes the powering down should have happened much more frequently, not just during the night. Also the last two pairs of events are only 91 minutes apart. In any case I've now set this option to "Never" for both...
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I am seeing lots of DistributedCOM errors (problem with "Local Activation permission"), but they happen around the clock, so that's not it. I didn't notice errors in the Windows Application Log, but the Windows System Log has an series of warnings/erros starting at 2018-11-01 09:42:50 local time that start with: 2018-11-01 09:42:50, Level: Warning, Source: Microsoft-Windows-Ntfs, Event-ID:140): The system failed to flush data to the transaction log. Corruption may occur in VolumeId: O:, DeviceName:...
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Unfortunately USB selective suspend does not appear to have been the problem, because I saw the same issue again this morning: Files inside SSD file container were not accessible Files outside the SSD file container were accessible Files inside a different file container on a different drive were accessible So how do I proceed now? Try a different USB port for the SSD?
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Thank you. They were both set to "Enabled", so I set them to "Disabled" and rebooted (for good measure). I'll let you know, what happens (might take a few days, if all goes well).
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Thanks so much for your response. I've (hopefully) attached an image file with the preferences. My Windows Power Plan is set to never put the computer to sleep, while on AC power (30 min while on battery power). But since I have a UPS , it should have stayed on AC power all the way. As far as I can tell the system went neither to sleep nor into hibernate mode during any of those nights. But perhaps I am not understanding your question re sleep and hibernate modes? One more nugget of information:...
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VeraCrypt 1.23: Device not accessible after computer is idle overnight I am running VeraCrypt 1.23 (no-hotfix version) on a Lenovo W520 with Windows 10 Pro x64, 1709. After not using this computer for 4 weeks, I recently started using it again and applied the Windows October security patch and also upgraded to VeraCrypt 1.23 (Version from Sept. 12, i.e. apparently not the hotfix one). Ever since then, if I leave my computer idle overnight, the next morning I am getting a "Device not accessible" error...
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Alex, that is an interesting script. Is there also a version that works with legacy BIOS mode?
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